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diff --git a/MatrixElement/Matchbox/MatchboxFactory.cc b/MatrixElement/Matchbox/MatchboxFactory.cc
--- a/MatrixElement/Matchbox/MatchboxFactory.cc
+++ b/MatrixElement/Matchbox/MatchboxFactory.cc
@@ -1,1965 +1,1966 @@
// -*- C++ -*-
//
// MatchboxFactory.cc is a part of Herwig - A multi-purpose Monte Carlo event generator
// Copyright (C) 2002-2012 The Herwig Collaboration
//
// Herwig is licenced under version 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
//
// This is the implementation of the non-inlined, non-templated member
// functions of the MatchboxFactory class.
//
#include "MatchboxFactory.h"
#include "ThePEG/Interface/ClassDocumentation.h"
#include "ThePEG/Utilities/DescribeClass.h"
#include "ThePEG/Interface/Reference.h"
#include "ThePEG/Interface/RefVector.h"
#include "ThePEG/Interface/Switch.h"
#include "ThePEG/Interface/Parameter.h"
#include "ThePEG/Interface/Command.h"
#include "ThePEG/Utilities/StringUtils.h"
#include "ThePEG/Repository/Repository.h"
#include "ThePEG/Repository/EventGenerator.h"
#include "ThePEG/Handlers/EventHandler.h"
#include "ThePEG/Handlers/SamplerBase.h"
#include "Herwig/MatrixElement/Matchbox/Base/DipoleRepository.h"
#include "Herwig/MatrixElement/Matchbox/Utility/SU2Helper.h"
#include "Herwig/Utilities/RunDirectories.h"
#include <boost/progress.hpp>
#include <boost/filesystem.hpp>
#include <iterator>
using std::ostream_iterator;
using namespace Herwig;
using std::ostream_iterator;
MatchboxFactory::MatchboxFactory()
: SubProcessHandler(), theNLight(0),
theOrderInAlphaS(0), theOrderInAlphaEW(0),
theBornContributions(true), theVirtualContributions(true),
theRealContributions(true), theIndependentVirtuals(false),
theIndependentPKs(false),
theSubProcessGroups(false),
theFactorizationScaleFactor(1.0), theRenormalizationScaleFactor(1.0),
theFixedCouplings(false), theFixedQEDCouplings(false), theVetoScales(false),
theDipoleSet(0), theVerbose(false), theDiagramWeightVerbose(false),
theDiagramWeightVerboseNBins(200),
theInitVerbose(false),
theSubtractionData(""), theSubtractionPlotType(1), theSubtractionScatterPlot(false),
thePoleData(""), theRealEmissionScales(false), theAllProcesses(false),
theMECorrectionsOnly(false), theLoopSimCorrections(false), ranSetup(false),
theFirstPerturbativePDF(true), theSecondPerturbativePDF(true),
inProductionMode(false), theSpinCorrelations(false),theAlphaParameter(1.) {}
MatchboxFactory::~MatchboxFactory() {}
bool& MatchboxFactory::theIsMatchboxRun() {
static bool flag = false;
return flag;
}
IBPtr MatchboxFactory::clone() const {
return new_ptr(*this);
}
IBPtr MatchboxFactory::fullclone() const {
return new_ptr(*this);
}
void MatchboxFactory::prepareME(Ptr<MatchboxMEBase>::ptr me) {
Ptr<MatchboxAmplitude>::ptr amp =
dynamic_ptr_cast<Ptr<MatchboxAmplitude>::ptr>((*me).amplitude());
me->matchboxAmplitude(amp);
me->factory(this);
if ( phasespace() && !me->phasespace() )
me->phasespace(phasespace());
if ( scaleChoice() && !me->scaleChoice() )
me->scaleChoice(scaleChoice());
if ( !reweighters().empty() ) {
for ( vector<ReweightPtr>::const_iterator rw = reweighters().begin();
rw != reweighters().end(); ++rw )
me->addReweighter(*rw);
}
if ( !preweighters().empty() ) {
for ( vector<ReweightPtr>::const_iterator rw = preweighters().begin();
rw != preweighters().end(); ++rw )
me->addPreweighter(*rw);
}
}
string pid(const PDVector& key) {
ostringstream res;
res << "[" << key[0]->PDGName() << ","
<< key[1]->PDGName() << "->";
for ( PDVector::const_iterator k =
key.begin() + 2; k != key.end(); ++k )
res << (**k).PDGName() << (k != --key.end() ? "," : "");
res << "]";
return res.str();
}
vector<Ptr<MatchboxMEBase>::ptr> MatchboxFactory::
makeMEs(const vector<string>& proc, unsigned int orderas, bool virt) {
generator()->log() << "determining subprocesses for ";
copy(proc.begin(),proc.end(),ostream_iterator<string>(generator()->log()," "));
generator()->log() << "\n" << flush;
map<Ptr<MatchboxAmplitude>::ptr,set<Process> > ampProcs;
map<Process,set<Ptr<MatchboxAmplitude>::ptr> > procAmps;
set<PDVector> processes = makeSubProcesses(proc);
// TODO Fix me for 3.0.x
// At the moment we got troubles with processes with no coloured
// legs so they will not be supported
set<PDVector> colouredProcesses;
for ( set<PDVector>::const_iterator pr = processes.begin();
pr != processes.end(); ++pr ) {
for ( PDVector::const_iterator pp = pr->begin();
pp != pr->end(); ++pp ) {
if ( (**pp).coloured() ) {
colouredProcesses.insert(*pr);
break;
}
}
}
if ( colouredProcesses.size() != processes.size() ) {
generator()->log()
<< "Some or all of the generated subprocesses do not contain coloured legs.\n"
<< "Processes of this kind are currently not supported.\n" << flush;
}
if ( colouredProcesses.empty() ) {
throw Exception() << "MatchboxFactory::makeMEs(): No processes with coloured legs have been found. "
<< "This run will be aborted." << Exception::runerror;
}
processes = colouredProcesses;
// end unsupported processes
// detect external particles with non-zero width for the hard process
bool trouble = false;
string troubleMaker;
for ( set<PDVector>::const_iterator pr = processes.begin();
pr != processes.end(); ++pr ) {
for ( PDVector::const_iterator pp = pr->begin();
pp != pr->end(); ++pp ) {
if ( (**pp).hardProcessWidth() != ZERO ) {
trouble = true;
troubleMaker = (**pp).PDGName();
break;
}
}
}
if ( trouble ) {
throw Exception()
<< "MatchboxFactory::makeMEs(): Particle '"
<< troubleMaker << "' appears as external\nprocess leg with non-zero "
<< "width to be used in the hard process calculation.\n"
<< "Please check your setup and consider setting HardProcessWidth to zero."
<< Exception::runerror;
}
vector<Ptr<MatchboxAmplitude>::ptr> matchAmplitudes;
unsigned int lowestAsOrder =
allProcesses() ? 0 : orderas;
unsigned int highestAsOrder = orderas;
unsigned int lowestAeOrder =
allProcesses() ? 0 : orderInAlphaEW();
unsigned int highestAeOrder = orderInAlphaEW();
for ( unsigned int oas = lowestAsOrder; oas <= highestAsOrder; ++oas ) {
for ( unsigned int oae = lowestAeOrder; oae <= highestAeOrder; ++oae ) {
for ( vector<Ptr<MatchboxAmplitude>::ptr>::const_iterator amp
= amplitudes().begin(); amp != amplitudes().end(); ++amp ) {
if ( !theSelectedAmplitudes.empty() ) {
if ( find(theSelectedAmplitudes.begin(),theSelectedAmplitudes.end(),*amp)
== theSelectedAmplitudes.end() )
continue;
}
if ( !theDeselectedAmplitudes.empty() ) {
if ( find(theDeselectedAmplitudes.begin(),theDeselectedAmplitudes.end(),*amp)
!= theDeselectedAmplitudes.end() )
continue;
}
(**amp).orderInGs(oas);
(**amp).orderInGem(oae);
if ( (**amp).orderInGs() != oas ||
(**amp).orderInGem() != oae ) {
continue;
}
matchAmplitudes.push_back(*amp);
}
}
}
size_t combinations = processes.size()*matchAmplitudes.size();
size_t procCount = 0;
generator()->log() << "building matrix elements." << flush;
boost::progress_display * progressBar =
new boost::progress_display(combinations,generator()->log());
for ( unsigned int oas = lowestAsOrder; oas <= highestAsOrder; ++oas ) {
for ( unsigned int oae = lowestAeOrder; oae <= highestAeOrder; ++oae ) {
for ( vector<Ptr<MatchboxAmplitude>::ptr>::const_iterator amp
= matchAmplitudes.begin(); amp != matchAmplitudes.end(); ++amp ) {
(**amp).orderInGs(oas);
(**amp).orderInGem(oae);
for ( set<PDVector>::const_iterator p = processes.begin();
p != processes.end(); ++p ) {
++(*progressBar);
if ( !(**amp).canHandle(*p,this,virt) )
continue;
if ( (**amp).isExternal() )
externalAmplitudes().insert(*amp);
++procCount;
Process proc(*p,oas,oae);
ampProcs[*amp].insert(proc);
procAmps[proc].insert(*amp);
}
}
}
}
delete progressBar;
generator()->log() << flush;
bool clash = false;
for ( map<Process,set<Ptr<MatchboxAmplitude>::ptr> >::const_iterator check =
procAmps.begin(); check != procAmps.end(); ++check ) {
if ( check->second.size() > 1 ) {
clash = true;
generator()->log() << "Several different amplitudes have been found for: "
<< check->first.legs[0]->PDGName() << " "
<< check->first.legs[1]->PDGName() << " -> ";
for ( PDVector::const_iterator p = check->first.legs.begin() + 2;
p != check->first.legs.end(); ++p )
generator()->log() << (**p).PDGName() << " ";
generator()->log() << "at alpha_s^" << check->first.orderInAlphaS
<< " and alpha_ew^" << check->first.orderInAlphaEW
<< "\n";
generator()->log() << "The following amplitudes claim responsibility:\n";
for ( set<Ptr<MatchboxAmplitude>::ptr>::const_iterator a = check->second.begin();
a != check->second.end(); ++a ) {
generator()->log() << (**a).name() << " ";
}
generator()->log() << "\n";
}
}
if ( clash ) {
throw Exception() << "MatchboxFactory: Ambiguous amplitude setup - please check your input files.\n"
<< "To avoid this problem use the SelectAmplitudes or DeselectAmplitudes interfaces.\n"
<< Exception::runerror;
}
bool canDoSpinCorrelations = true;
vector<Ptr<MatchboxMEBase>::ptr> res;
for ( map<Ptr<MatchboxAmplitude>::ptr,set<Process> >::const_iterator
ap = ampProcs.begin(); ap != ampProcs.end(); ++ap ) {
canDoSpinCorrelations &= ap->first->canFillRhoMatrix();
for ( set<Process>::const_iterator m = ap->second.begin();
m != ap->second.end(); ++m ) {
Ptr<MatchboxMEBase>::ptr me = ap->first->makeME(m->legs);
me->subProcess() = *m;
me->amplitude(ap->first);
me->matchboxAmplitude(ap->first);
prepareME(me);
string pname = "ME" + ap->first->name() + pid(m->legs);
if ( ! (generator()->preinitRegister(me,pname) ) )
throw Exception() << "MatchboxFactory: Matrix element " << pname << " already existing."
<< Exception::runerror;
if ( me->diagrams().empty() )continue;
res.push_back(me);
if ( theFirstPerturbativePDF )
theIncoming.insert(m->legs[0]->id());
if ( theSecondPerturbativePDF )
theIncoming.insert(m->legs[1]->id());
}
}
if ( spinCorrelations() && !canDoSpinCorrelations ) {
generator()->log() << "Warning: Spin correlations have been requested, but no amplitude is "
<< "capable of performing these.\n";
theSpinCorrelations = false;
}
generator()->log() << "created "
<< procCount << " subprocesses.\n";
generator()->log() << "--------------------------------------------------------------------------------\n"
<< flush;
return res;
}
int MatchboxFactory::orderOLPProcess(const Process& proc,
Ptr<MatchboxAmplitude>::tptr amp,
int type) {
map<pair<Process,int>,int>& procs =
olpProcesses()[amp];
map<pair<Process,int>,int>::const_iterator it =
procs.find(make_pair(proc,type));
if ( it != procs.end() )
return it->second;
int id = procs.size();
procs[make_pair(proc,type)] = id + 1;
return id + 1;
}
void MatchboxFactory::productionMode() {
if ( inProductionMode )
return;
if ( !bornContributions() && !virtualContributions() && !realContributions() )
throw Exception() << "MatchboxFactory: At least one cross section contribution needs to be enabled.\n"
<< "Please check your setup.\n"
<< Exception::runerror;
bool needTrueVirtuals =
virtualContributions() && !meCorrectionsOnly() && !loopSimCorrections();
for ( vector<Ptr<MatchboxAmplitude>::ptr>::iterator amp
= amplitudes().begin(); amp != amplitudes().end(); ++amp ) {
if ( !needTrueVirtuals && (**amp).oneLoopAmplitude() ) {
Repository::clog() << "One-loop contributions from '"
<< (**amp).name()
<< "' are not required and will be disabled.\n"
<< flush;
(**amp).disableOneLoop();
}
}
if ( showerApproximation() && !virtualContributions() && !realContributions() ) {
Repository::clog() << "Warning: Matching requested for LO run. Matching disabled.\n" << flush;
showerApproximation(Ptr<ShowerApproximation>::tptr());
}
if ( showerApproximation() && (subtractionData() != "" || subProcessGroups()) ) {
Repository::clog() << "Warning: Matching requested for plain NLO run. Matching disabled.\n" << flush;
showerApproximation(Ptr<ShowerApproximation>::tptr());
}
if ( showerApproximation() ) {
if ( spinCorrelations() && !showerApproximation()->hasSpinCorrelations() ) {
Repository::clog() << "Warning: Spin correlations have been requested but the matching "
<< "object is not capable of these. Spin correlations will be turned of.\n"
<< flush;
theSpinCorrelations = false;
}
}
inProductionMode = true;
}
void MatchboxFactory::setup() {
useMe();
if ( !ranSetup ) {
if ( !inProductionMode )
throw Exception() << "MatchboxFactory: The MatchboxFactory object '"
<< name() << "' has not been switched to production mode.\n"
<< "Did you use 'do "
<< name() << ":ProductionMode' before isolating the event generator?\n"
<< Exception::runerror;
olpProcesses().clear();
externalAmplitudes().clear();
theHighestVirtualsize = 0;
theIncoming.clear();
bool needTrueVirtuals =
virtualContributions() && !meCorrectionsOnly() && !loopSimCorrections();
for ( vector<Ptr<MatchboxAmplitude>::ptr>::iterator amp
= amplitudes().begin(); amp != amplitudes().end(); ++amp )
(**amp).factory(this);
if ( bornMEs().empty() ) {
if ( particleGroups().find("j") == particleGroups().end() )
throw Exception() << "MatchboxFactory: Could not find a jet particle group named 'j'"
<< Exception::runerror;
// rebind the particle data objects
for ( map<string,PDVector>::iterator g = particleGroups().begin();
g != particleGroups().end(); ++g )
for ( PDVector::iterator p = g->second.begin();
p != g->second.end(); ++p ) {
#ifndef NDEBUG
long checkid = (**p).id();
#endif
*p = getParticleData((**p).id());
assert((**p).id() == checkid);
}
const PDVector& partons = particleGroups()["j"];
unsigned int nl = 0;
for ( PDVector::const_iterator p = partons.begin();
p != partons.end(); ++p ) {
if ( abs((**p).id()) < 7 && (**p).hardProcessMass() == ZERO )
++nl;
if ( (**p).id() > 0 && (**p).id() < 7 && (**p).hardProcessMass() == ZERO )
nLightJetVec( (**p).id() );
if ( (**p).id() > 0 && (**p).id() < 7 && (**p).hardProcessMass() != ZERO )
nHeavyJetVec( (**p).id() );
}
nLight(nl/2);
if ( particleGroups().find("p") == particleGroups().end() )
throw Exception() << "MatchboxFactory: Could not find a hadron particle group named 'p'"
<< Exception::runerror;
const PDVector& partonsInP = particleGroups()["p"];
for ( PDVector::const_iterator pip = partonsInP.begin();
pip != partonsInP.end(); ++pip ) {
if ( (**pip).id() > 0 && (**pip).id() < 7 && (**pip).hardProcessMass() == ZERO )
nLightProtonVec( (**pip).id() );
}
vector<Ptr<MatchboxMEBase>::ptr> mes;
for ( vector<vector<string> >::const_iterator p = processes.begin();
p != processes.end(); ++p ) {
if( needTrueVirtuals ) {
theHighestVirtualsize = max(theHighestVirtualsize,(int((*p).size())));
}
mes = makeMEs(*p,orderInAlphaS(),needTrueVirtuals);
copy(mes.begin(),mes.end(),back_inserter(bornMEs()));
if ( realContributions() || meCorrectionsOnly() ||
(showerApproximation() && virtualContributions()) ||
(showerApproximation() && loopSimCorrections()) ) {
if ( realEmissionProcesses.empty() ) {
vector<string> rproc = *p;
rproc.push_back("j");
mes = makeMEs(rproc,orderInAlphaS()+1,false);
copy(mes.begin(),mes.end(),back_inserter(realEmissionMEs()));
}
}
}
if ( realContributions() || meCorrectionsOnly() ||
(showerApproximation() && virtualContributions()) ||
(showerApproximation() && loopSimCorrections()) ) {
if ( !realEmissionProcesses.empty() ) {
for ( vector<vector<string> >::const_iterator q =
realEmissionProcesses.begin(); q != realEmissionProcesses.end(); ++q ) {
mes = makeMEs(*q,orderInAlphaS()+1,false);
copy(mes.begin(),mes.end(),back_inserter(realEmissionMEs()));
}
}
}
}
if ( loopInducedMEs().empty() ) {
for ( vector<vector<string> >::const_iterator p = loopInducedProcesses.begin();
p != loopInducedProcesses.end(); ++p ) {
vector<Ptr<MatchboxMEBase>::ptr> mes = makeMEs(*p,orderInAlphaS(),false);
copy(mes.begin(),mes.end(),back_inserter(loopInducedMEs()));
}
}
if( bornMEs().empty() && realEmissionMEs().empty() && loopInducedMEs().empty() )
throw Exception() << "MatchboxFactory: No matrix elements have been found.\n\
Please check if your order of Alpha_s and Alpha_ew have the right value.\n"
<< Exception::runerror;
// check if we have virtual contributions
bool haveVirtuals = true;
// check DR conventions of virtual contributions
bool virtualsAreDR = false;
bool virtualsAreCDR = false;
// check finite term conventions of virtual contributions
bool virtualsAreCS = false;
bool virtualsAreBDK = false;
bool virtualsAreExpanded = false;
// renormalization scheme
bool virtualsAreDRbar = false;
// check and prepare the Born and virtual matrix elements
for ( vector<Ptr<MatchboxMEBase>::ptr>::iterator born
= bornMEs().begin(); born != bornMEs().end(); ++born ) {
prepareME(*born);
haveVirtuals &= (**born).haveOneLoop();
if ( needTrueVirtuals ) {
if ( (**born).haveOneLoop() ) {
virtualsAreDRbar |= (**born).isDRbar();
virtualsAreDR |= (**born).isDR();
virtualsAreCDR |= !(**born).isDR();
virtualsAreCS |= (**born).isCS();
virtualsAreBDK |= (**born).isBDK();
virtualsAreExpanded |= (**born).isExpanded();
}
}
}
// prepare the loop induced matrix elements
for ( vector<Ptr<MatchboxMEBase>::ptr>::iterator looped
= loopInducedMEs().begin(); looped != loopInducedMEs().end(); ++looped ) {
prepareME(*looped);
}
if ( needTrueVirtuals ) {
// check the additional insertion operators
if ( !virtuals().empty() )
haveVirtuals = true;
for ( vector<Ptr<MatchboxInsertionOperator>::ptr>::const_iterator virt
= virtuals().begin(); virt != virtuals().end(); ++virt ) {
virtualsAreDRbar |= (**virt).isDRbar();
virtualsAreDR |= (**virt).isDR();
virtualsAreCDR |= !(**virt).isDR();
virtualsAreCS |= (**virt).isCS();
virtualsAreBDK |= (**virt).isBDK();
virtualsAreExpanded |= (**virt).isExpanded();
}
// check for consistent conventions on virtuals, if we are to include them
if ( virtualContributions() ) {
if ( !haveVirtuals ) {
throw Exception() << "MatchboxFactory: Could not find amplitudes for all virtual contributions needed.\n"
<< Exception::runerror;
}
if ( virtualsAreDR && virtualsAreCDR ) {
throw Exception() << "MatchboxFactory: Virtual corrections use inconsistent regularization schemes.\n"
<< Exception::runerror;
}
if ( (virtualsAreCS && virtualsAreBDK) ||
(virtualsAreCS && virtualsAreExpanded) ||
(virtualsAreBDK && virtualsAreExpanded) ||
(!virtualsAreCS && !virtualsAreBDK && !virtualsAreExpanded) ) {
throw Exception() << "MatchboxFactory: Virtual corrections use inconsistent conventions on finite terms.\n"
<< Exception::runerror;
}
}
// prepare dipole insertion operators
if ( virtualContributions() ) {
for ( vector<Ptr<MatchboxInsertionOperator>::ptr>::const_iterator virt
= DipoleRepository::insertionIOperators(dipoleSet()).begin();
virt != DipoleRepository::insertionIOperators(dipoleSet()).end(); ++virt ) {
(**virt).factory(this);
if ( virtualsAreDRbar )
(**virt).useDRbar();
if ( virtualsAreDR )
(**virt).useDR();
else
(**virt).useCDR();
if ( virtualsAreCS )
(**virt).useCS();
if ( virtualsAreBDK )
(**virt).useBDK();
if ( virtualsAreExpanded )
(**virt).useExpanded();
}
for ( vector<Ptr<MatchboxInsertionOperator>::ptr>::const_iterator virt
= DipoleRepository::insertionPKOperators(dipoleSet()).begin();
virt != DipoleRepository::insertionPKOperators(dipoleSet()).end(); ++virt ) {
(**virt).factory(this);
if ( virtualsAreDRbar )
(**virt).useDRbar();
if ( virtualsAreDR )
(**virt).useDR();
else
(**virt).useCDR();
if ( virtualsAreCS )
(**virt).useCS();
if ( virtualsAreBDK )
(**virt).useBDK();
if ( virtualsAreExpanded )
(**virt).useExpanded();
}
}
}
// prepare the real emission matrix elements
if ( realContributions() || meCorrectionsOnly() ||
(showerApproximation() && virtualContributions()) ||
(showerApproximation() && loopSimCorrections()) ) {
for ( vector<Ptr<MatchboxMEBase>::ptr>::iterator real
= realEmissionMEs().begin(); real != realEmissionMEs().end(); ++real ) {
prepareME(*real);
}
}
// start creating matrix elements
MEs().clear();
// setup born and virtual contributions
if ( bornContributions() || virtualContributions() ) {
generator()->log() << "preparing Born"
<< (virtualContributions() ? " and virtual" : "")
<< " matrix elements.\n" << flush;
}
if ( (bornContributions() && !virtualContributions()) ||
+ (bornContributions() && meCorrectionsOnly()) ||
(bornContributions() && virtualContributions() && independentVirtuals()) ) {
for ( vector<Ptr<MatchboxMEBase>::ptr>::iterator born
= bornMEs().begin(); born != bornMEs().end(); ++born ) {
if ( (**born).onlyOneLoop() )
continue;
Ptr<MatchboxMEBase>::ptr bornme = (**born).cloneMe();
string pname = fullName() + "/" + (**born).name();
if ( virtualContributions() && independentVirtuals() )
pname += ".Born";
if ( ! (generator()->preinitRegister(bornme,pname) ) )
throw Exception() << "MatchboxFactory: Matrix element " << pname << " already existing."
<< Exception::runerror;
if ( bornme->isOLPTree() ) {
int id = orderOLPProcess(bornme->subProcess(),
(**born).matchboxAmplitude(),
ProcessType::treeME2);
bornme->olpProcess(ProcessType::treeME2,id);
}
bornme->needsNoCorrelations();
bornme->cloneDependencies();
MEs().push_back(bornme);
}
}
if ( bornContributions() && !loopInducedMEs().empty() ) {
for ( vector<Ptr<MatchboxMEBase>::ptr>::iterator looped
= loopInducedMEs().begin(); looped != loopInducedMEs().end(); ++looped ) {
Ptr<MatchboxMEBase>::ptr loopme = (**looped).cloneMe();
string pname = fullName() + "/" + (**looped).name() + ".LoopInduced";
if ( ! (generator()->preinitRegister(loopme,pname) ) )
throw Exception() << "MatchboxFactory: Matrix element " << pname << " already existing."
<< Exception::runerror;
if ( loopme->isOLPTree() ) {
int id = orderOLPProcess(loopme->subProcess(),
(**looped).matchboxAmplitude(),
ProcessType::loopInducedME2);
loopme->olpProcess(ProcessType::loopInducedME2,id);
}
loopme->needsNoCorrelations();
loopme->cloneDependencies();
MEs().push_back(loopme);
}
}
if ( needTrueVirtuals ) {
bornVirtualMEs().clear();
boost::progress_display * progressBar =
new boost::progress_display(bornMEs().size(),generator()->log());
if ( thePoleData != "" )
if ( thePoleData[thePoleData.size()-1] != '/' )
thePoleData += "/";
for ( vector<Ptr<MatchboxMEBase>::ptr>::iterator born
= bornMEs().begin(); born != bornMEs().end(); ++born ) {
Ptr<MatchboxMEBase>::ptr nlo = (**born).cloneMe();
string pname = fullName() + "/" + (**born).name();
if ( !independentVirtuals() && !(!bornContributions() && virtualContributions()) )
pname += ".BornVirtual";
else if ( independentPKs() && !nlo->onlyOneLoop() )
pname += ".VirtualVI";
else
pname += ".Virtual";
if ( ! (generator()->preinitRegister(nlo,pname) ) )
throw Exception() << "MatchboxFactory: NLO ME " << pname << " already existing."
<< Exception::runerror;
nlo->virtuals().clear();
if ( !nlo->onlyOneLoop() ) {
for ( vector<Ptr<MatchboxInsertionOperator>::ptr>::const_iterator virt
= virtuals().begin(); virt != virtuals().end(); ++virt ) {
if ( (**virt).apply((**born).diagrams().front()->partons()) )
nlo->virtuals().push_back(*virt);
}
for ( vector<Ptr<MatchboxInsertionOperator>::ptr>::const_iterator virt
= DipoleRepository::insertionIOperators(dipoleSet()).begin();
virt != DipoleRepository::insertionIOperators(dipoleSet()).end(); ++virt ) {
if ( (**virt).apply((**born).diagrams().front()->partons()) )
nlo->virtuals().push_back(*virt);
}
if ( !independentVirtuals() || ( independentVirtuals() && !independentPKs() ) ) {
for ( vector<Ptr<MatchboxInsertionOperator>::ptr>::const_iterator virt
= DipoleRepository::insertionPKOperators(dipoleSet()).begin();
virt != DipoleRepository::insertionPKOperators(dipoleSet()).end(); ++virt ) {
if ( (**virt).apply((**born).diagrams().front()->partons()) )
nlo->virtuals().push_back(*virt);
}
}
if ( nlo->virtuals().empty() )
throw Exception() << "MatchboxFactory: No insertion operators have been found for "
<< (**born).name() << "\n"
<< Exception::runerror;
if ( checkPoles() ) {
if ( !virtualsAreExpanded ) {
throw Exception()
<< "MatchboxFactory: Cannot check epsilon poles if virtuals are not in `expanded' convention.\n"
<< Exception::runerror;
}
}
}
if ( !bornContributions() || independentVirtuals() ) {
nlo->doOneLoopNoBorn();
} else {
nlo->doOneLoop();
}
if ( nlo->isOLPLoop() ) {
int id = orderOLPProcess(nlo->subProcess(),
(**born).matchboxAmplitude(),
ProcessType::oneLoopInterference);
nlo->olpProcess(ProcessType::oneLoopInterference,id);
if ( !nlo->onlyOneLoop() && nlo->needsOLPCorrelators() ) {
id = orderOLPProcess(nlo->subProcess(),
(**born).matchboxAmplitude(),
ProcessType::colourCorrelatedME2);
nlo->olpProcess(ProcessType::colourCorrelatedME2,id);
}
}
nlo->needsCorrelations();
nlo->cloneDependencies();
bornVirtualMEs().push_back(nlo);
MEs().push_back(nlo);
if ( independentVirtuals() && independentPKs() && !nlo->onlyOneLoop() ) {
Ptr<MatchboxMEBase>::ptr nlopk = (**born).cloneMe();
string pnamepk = fullName() + "/" + (**born).name();
pnamepk += ".VirtualPK";
if ( ! (generator()->preinitRegister(nlopk,pnamepk) ) )
throw Exception() << "MatchboxFactory: NLO ME " << pnamepk << " already existing."
<< Exception::runerror;
nlopk->virtuals().clear();
for ( vector<Ptr<MatchboxInsertionOperator>::ptr>::const_iterator virt
= DipoleRepository::insertionPKOperators(dipoleSet()).begin();
virt != DipoleRepository::insertionPKOperators(dipoleSet()).end(); ++virt ) {
if ( (**virt).apply((**born).diagrams().front()->partons()) )
nlopk->virtuals().push_back(*virt);
}
if ( !nlopk->virtuals().empty() ) {
nlopk->doOneLoopNoBorn();
nlopk->doOneLoopNoLoops();
if ( nlopk->isOLPLoop() ) {
int id = orderOLPProcess(nlopk->subProcess(),
(**born).matchboxAmplitude(),
ProcessType::treeME2);
nlopk->olpProcess(ProcessType::treeME2,id);
if ( nlopk->needsOLPCorrelators() ) {
id = orderOLPProcess(nlopk->subProcess(),
(**born).matchboxAmplitude(),
ProcessType::colourCorrelatedME2);
nlopk->olpProcess(ProcessType::colourCorrelatedME2,id);
}
}
nlopk->needsCorrelations();
nlopk->cloneDependencies();
bornVirtualMEs().push_back(nlopk);
MEs().push_back(nlopk);
}
}
++(*progressBar);
}
delete progressBar;
generator()->log() << "--------------------------------------------------------------------------------\n"
<< flush;
}
theSplittingDipoles.clear();
set<cPDVector> bornProcs;
if ( showerApproximation() ) {
if ( showerApproximation()->needsSplittingGenerator() ) {
for ( vector<Ptr<MatchboxMEBase>::ptr>::iterator born
= bornMEs().begin(); born != bornMEs().end(); ++born )
for ( MEBase::DiagramVector::const_iterator d = (**born).diagrams().begin();
d != (**born).diagrams().end(); ++d )
bornProcs.insert((**d).partons());
}
}
if ( realContributions() || meCorrectionsOnly() ||
(showerApproximation() && virtualContributions()) ||
(showerApproximation() && loopSimCorrections()) ) {
generator()->log() << "preparing subtracted matrix elements.\n" << flush;
if ( theSubtractionData != "" )
if ( theSubtractionData[theSubtractionData.size()-1] != '/' )
theSubtractionData += "/";
subtractedMEs().clear();
for ( vector<Ptr<MatchboxMEBase>::ptr>::iterator born
= bornMEs().begin(); born != bornMEs().end(); ++born ) {
if ( (**born).onlyOneLoop() )
continue;
(**born).needsCorrelations();
if ( (**born).isOLPTree() ) {
int id = orderOLPProcess((**born).subProcess(),
(**born).matchboxAmplitude(),
ProcessType::colourCorrelatedME2);
(**born).olpProcess(ProcessType::colourCorrelatedME2,id);
bool haveGluon = false;
for ( PDVector::const_iterator p = (**born).subProcess().legs.begin();
p != (**born).subProcess().legs.end(); ++p )
if ( (**p).id() == 21 ) {
haveGluon = true;
break;
}
if ( haveGluon ) {
id = orderOLPProcess((**born).subProcess(),
(**born).matchboxAmplitude(),
ProcessType::spinColourCorrelatedME2);
(**born).olpProcess(ProcessType::spinColourCorrelatedME2,id);
}
if ( showerApproximation() ) {
id = orderOLPProcess((**born).subProcess(),
(**born).matchboxAmplitude(),
ProcessType::treeME2);
(**born).olpProcess(ProcessType::treeME2,id);
}
}
}
boost::progress_display * progressBar =
new boost::progress_display(realEmissionMEs().size(),generator()->log());
for ( vector<Ptr<MatchboxMEBase>::ptr>::iterator real
= realEmissionMEs().begin(); real != realEmissionMEs().end(); ++real ) {
Ptr<SubtractedME>::ptr sub = new_ptr(SubtractedME());
string pname = fullName() + "/" + (**real).name() + ".SubtractedReal";
if ( ! (generator()->preinitRegister(sub,pname) ) )
throw Exception() << "MatchboxFactory: Subtracted ME " << pname << " already existing."
<< Exception::runerror;
sub->factory(this);
(**real).needsNoCorrelations();
if ( (**real).isOLPTree() ) {
int id = orderOLPProcess((**real).subProcess(),
(**real).matchboxAmplitude(),
ProcessType::treeME2);
(**real).olpProcess(ProcessType::treeME2,id);
}
sub->head(*real);
sub->dependent().clear();
sub->getDipoles();
if ( sub->dependent().empty() ) {
// finite real contribution
if ( realContributions() ) {
Ptr<MatchboxMEBase>::ptr fme =
dynamic_ptr_cast<Ptr<MatchboxMEBase>::ptr>(sub->head())->cloneMe();
string qname = fullName() + "/" + (**real).name() + ".FiniteReal";
if ( ! (generator()->preinitRegister(fme,qname) ) )
throw Exception() << "MatchboxFactory: ME " << qname << " already existing."
<< Exception::runerror;
MEs().push_back(fme);
finiteRealMEs().push_back(fme);
}
sub->head(tMEPtr());
++(*progressBar);
continue;
}
if ( realEmissionScales() )
sub->doRealEmissionScales();
subtractedMEs().push_back(sub);
if ( realContributions() )
if ( !showerApproximation() || (showerApproximation() && showerApproximation()->hasHEvents()) )
MEs().push_back(sub);
if ( showerApproximation() ) {
if ( virtualContributions() && !meCorrectionsOnly() && !loopSimCorrections() ) {
Ptr<SubtractedME>::ptr subv = new_ptr(*sub);
string vname = sub->fullName() + ".SubtractionIntegral";
if ( ! (generator()->preinitRegister(subv,vname) ) )
throw Exception() << "MatchboxFactory: Subtracted ME " << vname << " already existing."
<< Exception::runerror;
subv->cloneDependencies(vname);
subv->doVirtualShowerSubtraction();
subtractedMEs().push_back(subv);
MEs().push_back(subv);
}
if ( loopSimCorrections() ) {
Ptr<SubtractedME>::ptr subv = new_ptr(*sub);
string vname = sub->fullName() + ".SubtractionIntegral";
if ( ! (generator()->preinitRegister(subv,vname) ) )
throw Exception() << "MatchboxFactory: Subtracted ME " << vname << " already existing."
<< Exception::runerror;
subv->cloneDependencies(vname);
subv->doLoopSimSubtraction();
subtractedMEs().push_back(subv);
MEs().push_back(subv);
}
sub->doRealShowerSubtraction();
if ( showerApproximation()->needsSplittingGenerator() )
for ( set<cPDVector>::const_iterator p = bornProcs.begin();
p != bornProcs.end(); ++p ) {
vector<Ptr<SubtractionDipole>::ptr> sdip = sub->splitDipoles(*p);
set<Ptr<SubtractionDipole>::ptr>& dips = theSplittingDipoles[*p];
copy(sdip.begin(),sdip.end(),inserter(dips,dips.begin()));
}
}
++(*progressBar);
}
delete progressBar;
generator()->log() << "--------------------------------------------------------------------------------\n"
<< flush;
}
if ( !theSplittingDipoles.empty() ) {
map<Ptr<SubtractionDipole>::ptr,Ptr<SubtractionDipole>::ptr> cloneMap;
for ( map<cPDVector,set<Ptr<SubtractionDipole>::ptr> >::const_iterator sd = theSplittingDipoles.begin();
sd != theSplittingDipoles.end(); ++sd ) {
for ( set<Ptr<SubtractionDipole>::ptr>::const_iterator d = sd->second.begin();
d != sd->second.end(); ++d ) {
cloneMap[*d] = Ptr<SubtractionDipole>::ptr();
}
}
for ( map<Ptr<SubtractionDipole>::ptr,Ptr<SubtractionDipole>::ptr>::iterator cd =
cloneMap.begin(); cd != cloneMap.end(); ++cd ) {
Ptr<SubtractionDipole>::ptr cloned = cd->first->cloneMe();
string dname = cd->first->fullName() + ".splitting";
if ( ! (generator()->preinitRegister(cloned,dname)) )
throw Exception() << "MatchboxFactory: Dipole '" << dname << "' already existing."
<< Exception::runerror;
cloned->cloneDependencies();
cloned->showerApproximation(Ptr<ShowerApproximation>::tptr());
cloned->doSplitting();
cd->second = cloned;
}
for ( map<cPDVector,set<Ptr<SubtractionDipole>::ptr> >::iterator sd = theSplittingDipoles.begin();
sd != theSplittingDipoles.end(); ++sd ) {
set<Ptr<SubtractionDipole>::ptr> cloned;
for ( set<Ptr<SubtractionDipole>::ptr>::iterator d = sd->second.begin();
d != sd->second.end(); ++d ) {
cloned.insert(cloneMap[*d]);
}
sd->second = cloned;
}
}
if ( !externalAmplitudes().empty() ) {
generator()->log() << "Initializing external amplitudes.\n" << flush;
for ( set<Ptr<MatchboxAmplitude>::tptr>::const_iterator ext =
externalAmplitudes().begin(); ext != externalAmplitudes().end(); ++ext ) {
if ( !(**ext).initializeExternal() ) {
throw Exception() << "Failed to initialize amplitude '" << (**ext).name() << "'\n"
<< Exception::runerror;
}
}
generator()->log() << "--------------------------------------------------------------------------------\n"
<< flush;
}
if ( !olpProcesses().empty() ) {
generator()->log() << "Initializing one-loop provider(s).\n" << flush;
map<Ptr<MatchboxAmplitude>::tptr,map<pair<Process,int>,int> > olps;
for ( map<Ptr<MatchboxAmplitude>::tptr,map<pair<Process,int>,int> >::const_iterator
oit = olpProcesses().begin(); oit != olpProcesses().end(); ++oit ) {
olps[oit->first] = oit->second;
}
for ( map<Ptr<MatchboxAmplitude>::tptr,map<pair<Process,int>,int> >::const_iterator
olpit = olps.begin(); olpit != olps.end(); ++olpit ) {
if ( !olpit->first->startOLP(olpit->second) ) {
throw Exception() << "MatchboxFactory: Failed to start OLP for amplitude '" << olpit->first->name() << "'\n"
<< Exception::runerror;
}
}
generator()->log() << "--------------------------------------------------------------------------------\n"
<< flush;
}
generator()->log() << "Process setup finished.\n" << flush;
ranSetup = true;
}
}
void MatchboxFactory::SplittingChannel::print(ostream& os) const {
os << "--- SplittingChannel setup -----------------------------------------------------\n";
os << " Born process ";
const StandardXComb& bxc = *bornXComb;
os << bxc.mePartonData()[0]->PDGName() << " "
<< bxc.mePartonData()[1]->PDGName() << " -> ";
for ( cPDVector::const_iterator p = bxc.mePartonData().begin() + 2;
p != bxc.mePartonData().end(); ++p ) {
os << (**p).PDGName() << " ";
}
os << "\n";
os << " to real emission process ";
const StandardXComb& rxc = *realXComb;
os << rxc.mePartonData()[0]->PDGName() << " "
<< rxc.mePartonData()[1]->PDGName() << " -> ";
for ( cPDVector::const_iterator p = rxc.mePartonData().begin() + 2;
p != rxc.mePartonData().end(); ++p ) {
os << (**p).PDGName() << " ";
}
os << "\n";
os << " with dipole:\n";
dipole->print(os);
os << "--------------------------------------------------------------------------------\n";
os << flush;
}
list<MatchboxFactory::SplittingChannel>
MatchboxFactory::getSplittingChannels(tStdXCombPtr xcptr) const {
if ( xcptr->lastProjector() )
xcptr = xcptr->lastProjector();
const StandardXComb& xc = *xcptr;
cPDVector proc = xc.mePartonData();
map<cPDVector,set<Ptr<SubtractionDipole>::ptr> >::const_iterator splitEntries
= splittingDipoles().find(proc);
list<SplittingChannel> res;
if ( splitEntries == splittingDipoles().end() )
return res;
const set<Ptr<SubtractionDipole>::ptr>& splitDipoles = splitEntries->second;
SplittingChannel channel;
if ( !splitDipoles.empty() ) {
Ptr<MatchboxMEBase>::tptr bornME =
const_ptr_cast<Ptr<MatchboxMEBase>::tptr>((**splitDipoles.begin()).underlyingBornME());
channel.bornXComb =
bornME->makeXComb(xc.maxEnergy(),xc.particles(),xc.eventHandlerPtr(),
const_ptr_cast<tSubHdlPtr>(xc.subProcessHandler()),
xc.pExtractor(),xc.CKKWHandler(),
xc.partonBins(),xc.cuts(),xc.diagrams(),xc.mirror(),
PartonPairVec());
}
for ( set<Ptr<SubtractionDipole>::ptr>::const_iterator sd =
splitDipoles.begin(); sd != splitDipoles.end(); ++sd ) {
channel.dipole = *sd;
vector<StdXCombPtr> realXCombs = (**sd).makeRealXCombs(channel.bornXComb);
for ( vector<StdXCombPtr>::const_iterator rxc = realXCombs.begin();
rxc != realXCombs.end(); ++rxc ) {
channel.realXComb = *rxc;
if ( showerApproximation()->needsTildeXCombs() ) {
channel.tildeXCombs.clear();
assert(!channel.dipole->partnerDipoles().empty());
for ( vector<Ptr<SubtractionDipole>::tptr>::const_iterator p =
channel.dipole->partnerDipoles().begin();
p != channel.dipole->partnerDipoles().end(); ++p ) {
StdXCombPtr txc = channel.dipole->makeBornXComb(channel.realXComb);
if ( txc )
channel.tildeXCombs.push_back(txc);
}
}
res.push_back(channel);
}
}
if ( initVerbose() ) {
generator()->log()
<< "--- MatchboxFactory splitting channels ----------------------------------------------\n";
const StandardXComb& bxc = *xcptr;
generator()->log() << " hard process handled is: ";
generator()->log() << bxc.mePartonData()[0]->PDGName() << " "
<< bxc.mePartonData()[1]->PDGName() << " -> ";
for ( cPDVector::const_iterator p = bxc.mePartonData().begin() + 2;
p != bxc.mePartonData().end(); ++p ) {
generator()->log() << (**p).PDGName() << " ";
}
generator()->log() << "\n";
for ( list<MatchboxFactory::SplittingChannel>::const_iterator sp =
res.begin(); sp != res.end(); ++sp ) {
sp->print(generator()->log());
}
generator()->log()
<< "-------------------------------------------------------------------------------------\n"
<< flush;
}
return res;
}
void MatchboxFactory::print(ostream& os) const {
os << "--- MatchboxFactory setup -----------------------------------------------------------\n";
if ( !amplitudes().empty() ) {
os << " generated Born matrix elements:\n";
for ( vector<Ptr<MatchboxMEBase>::ptr>::const_iterator m = bornMEs().begin();
m != bornMEs().end(); ++m ) {
(**m).print(os);
}
os << flush;
os << " generated real emission matrix elements:\n";
for ( vector<Ptr<MatchboxMEBase>::ptr>::const_iterator m = realEmissionMEs().begin();
m != realEmissionMEs().end(); ++m ) {
(**m).print(os);
}
os << flush;
}
os << " generated Born+virtual matrix elements:\n";
for ( vector<Ptr<MatchboxMEBase>::ptr>::const_iterator bv
= bornVirtualMEs().begin(); bv != bornVirtualMEs().end(); ++bv ) {
(**bv).print(os);
}
os << " generated subtracted matrix elements:\n";
for ( vector<Ptr<SubtractedME>::ptr>::const_iterator sub
= subtractedMEs().begin(); sub != subtractedMEs().end(); ++sub ) {
os << " '" << (**sub).name() << "'\n";
}
os << "--------------------------------------------------------------------------------\n";
os << flush;
}
void MatchboxFactory::doinit() {
theIsMatchboxRun() = true;
if ( RunDirectories::empty() )
RunDirectories::pushRunId(generator()->runName());
setup();
if ( theShowerApproximation )
theShowerApproximation->init();
if ( initVerbose() && !ranSetup )
print(Repository::clog());
Ptr<StandardEventHandler>::tptr eh =
dynamic_ptr_cast<Ptr<StandardEventHandler>::tptr>(generator()->eventHandler());
assert(eh);
SubProcessHandler::doinit();
}
void MatchboxFactory::doinitrun() {
theIsMatchboxRun() = true;
if ( theShowerApproximation )
theShowerApproximation->initrun();
Ptr<StandardEventHandler>::tptr eh =
dynamic_ptr_cast<Ptr<StandardEventHandler>::tptr>(generator()->eventHandler());
assert(eh);
SubProcessHandler::doinitrun();
}
const string& MatchboxFactory::buildStorage() {
return RunDirectories::buildStorage();
}
const string& MatchboxFactory::runStorage() {
return RunDirectories::runStorage();
}
void MatchboxFactory::persistentOutput(PersistentOStream & os) const {
os << theDiagramGenerator << theProcessData
<< theNLight
<< theNLightJetVec << theNHeavyJetVec << theNLightProtonVec
<< theOrderInAlphaS << theOrderInAlphaEW
<< theBornContributions << theVirtualContributions
<< theRealContributions << theIndependentVirtuals << theIndependentPKs
<< theSubProcessGroups
<< thePhasespace << theScaleChoice
<< theFactorizationScaleFactor << theRenormalizationScaleFactor
<< theFixedCouplings << theFixedQEDCouplings << theVetoScales
<< theAmplitudes
<< theBornMEs << theVirtuals << theRealEmissionMEs << theLoopInducedMEs
<< theBornVirtualMEs << theSubtractedMEs << theFiniteRealMEs
<< theVerbose<<theDiagramWeightVerbose
<<theDiagramWeightVerboseNBins
<< theInitVerbose << theSubtractionData << theSubtractionPlotType
<< theSubtractionScatterPlot << thePoleData
<< theParticleGroups << processes << loopInducedProcesses << realEmissionProcesses
<< theShowerApproximation << theSplittingDipoles
<< theRealEmissionScales << theAllProcesses
<< theOLPProcesses << theExternalAmplitudes
<< theSelectedAmplitudes << theDeselectedAmplitudes
<< theDipoleSet << theReweighters << thePreweighters
<< theMECorrectionsOnly<< theLoopSimCorrections<<theHighestVirtualsize << ranSetup
<< theIncoming << theFirstPerturbativePDF << theSecondPerturbativePDF
<< inProductionMode << theSpinCorrelations<<theAlphaParameter;
}
void MatchboxFactory::persistentInput(PersistentIStream & is, int) {
is >> theDiagramGenerator >> theProcessData
>> theNLight
>> theNLightJetVec >> theNHeavyJetVec >> theNLightProtonVec
>> theOrderInAlphaS >> theOrderInAlphaEW
>> theBornContributions >> theVirtualContributions
>> theRealContributions >> theIndependentVirtuals >> theIndependentPKs
>> theSubProcessGroups
>> thePhasespace >> theScaleChoice
>> theFactorizationScaleFactor >> theRenormalizationScaleFactor
>> theFixedCouplings >> theFixedQEDCouplings >> theVetoScales
>> theAmplitudes
>> theBornMEs >> theVirtuals >> theRealEmissionMEs >> theLoopInducedMEs
>> theBornVirtualMEs >> theSubtractedMEs >> theFiniteRealMEs
>> theVerbose >> theDiagramWeightVerbose
>> theDiagramWeightVerboseNBins
>> theInitVerbose >> theSubtractionData >> theSubtractionPlotType
>> theSubtractionScatterPlot >> thePoleData
>> theParticleGroups >> processes >> loopInducedProcesses >> realEmissionProcesses
>> theShowerApproximation >> theSplittingDipoles
>> theRealEmissionScales >> theAllProcesses
>> theOLPProcesses >> theExternalAmplitudes
>> theSelectedAmplitudes >> theDeselectedAmplitudes
>> theDipoleSet >> theReweighters >> thePreweighters
>> theMECorrectionsOnly>> theLoopSimCorrections>>theHighestVirtualsize >> ranSetup
>> theIncoming >> theFirstPerturbativePDF >> theSecondPerturbativePDF
>> inProductionMode >> theSpinCorrelations>>theAlphaParameter;
}
string MatchboxFactory::startParticleGroup(string name) {
particleGroupName = StringUtils::stripws(name);
particleGroup.clear();
return "";
}
string MatchboxFactory::endParticleGroup(string) {
if ( particleGroup.empty() )
throw Exception() << "MatchboxFactory: Empty particle group."
<< Exception::runerror;
particleGroups()[particleGroupName] = particleGroup;
particleGroup.clear();
return "";
}
vector<string> MatchboxFactory::parseProcess(string in) {
vector<string> process = StringUtils::split(in);
if ( process.size() < 3 )
throw Exception() << "MatchboxFactory: Invalid process."
<< Exception::runerror;
for ( vector<string>::iterator p = process.begin();
p != process.end(); ++p ) {
*p = StringUtils::stripws(*p);
}
vector<string> pprocess;
for ( vector<string>::const_iterator p = process.begin();
p != process.end(); ++p ) {
if ( *p == "->" )
continue;
pprocess.push_back(*p);
}
return pprocess;
}
string MatchboxFactory::doProcess(string in) {
processes.push_back(parseProcess(in));
return "";
}
string MatchboxFactory::doLoopInducedProcess(string in) {
loopInducedProcesses.push_back(parseProcess(in));
return "";
}
string MatchboxFactory::doSingleRealProcess(string in) {
realEmissionProcesses.push_back(parseProcess(in));
return "";
}
struct SortPID {
inline bool operator()(PDPtr a, PDPtr b) const {
return a->id() < b->id();
}
};
set<PDVector> MatchboxFactory::
makeSubProcesses(const vector<string>& proc) const {
if ( proc.empty() )
throw Exception() << "MatchboxFactory: No process specified."
<< Exception::runerror;
vector<PDVector> groups;
typedef map<string,PDVector>::const_iterator GroupIterator;
for ( vector<string>::const_iterator gr = proc.begin();
gr != proc.end(); ++gr ) {
GroupIterator git = particleGroups().find(*gr);
if ( git == particleGroups().end() ) {
throw Exception() << "MatchboxFactory: Particle group '"
<< *gr << "' not defined." << Exception::runerror;
}
groups.push_back(git->second);
}
vector<size_t> counts(groups.size(),0);
PDVector proto(groups.size());
set<PDVector> allProcs;
/*
cerr << "using the groups:\n";
for ( size_t k = 0; k < groups.size(); ++k ) {
cerr << k << " : ";
for ( PDVector::const_iterator p = groups[k].begin();
p != groups[k].end(); ++p )
cerr << (**p).PDGName() << " ";
cerr << "\n" << flush;
}
*/
while ( true ) {
for ( size_t k = 0; k < groups.size(); ++k )
proto[k] = groups[k][counts[k]];
/*
cerr << "trying : ";
for ( vector<size_t>::const_iterator c = counts.begin();
c != counts.end(); ++c )
cerr << *c << " ";
cerr << "\n" << flush;
for ( size_t k = 0; k < groups.size(); ++k )
cerr << groups[k][counts[k]]->PDGName() << " ";
cerr << "\n" << flush;
*/
int charge = -proto[0]->iCharge() -proto[1]->iCharge();
for ( size_t k = 2; k < proto.size(); ++k )
charge += proto[k]->iCharge();
if ( charge == 0 ) {
for ( int i = 0; i < 2; ++i ) {
if ( proto[i]->coloured() &&
proto[i]->hardProcessMass() != ZERO )
throw Exception()
<< "Inconsistent flavour scheme detected with massive incoming "
<< proto[i]->PDGName() << ". Check your setup."
<< Exception::runerror;
}
sort(proto.begin()+2,proto.end(),SortPID());
allProcs.insert(proto);
}
vector<size_t>::reverse_iterator c = counts.rbegin();
vector<PDVector>::const_reverse_iterator g = groups.rbegin();
while ( c != counts.rend() ) {
if ( ++(*c) == g->size() ) {
*c = 0;
++c; ++g;
} else {
break;
}
}
if ( c == counts.rend() )
break;
}
return allProcs;
}
void MatchboxFactory::Init() {
static ClassDocumentation<MatchboxFactory> documentation
("MatchboxFactory",
"NLO QCD corrections have been calculated "
"using Matchbox \\cite{Platzer:2011bc}, \\cite{Matchbox:2015}",
"%\\cite{Platzer:2011bc}\n"
"\\bibitem{Platzer:2011bc}\n"
"S.~Platzer and S.~Gieseke,\n"
"``Dipole Showers and Automated NLO Matching in Herwig,''\n"
"arXiv:1109.6256 [hep-ph].\n"
"%%CITATION = ARXIV:1109.6256;%%\n"
"%\\cite{Matchbox:2015}\n"
"\\bibitem{Matchbox:2015}\n"
"Herwig collaboration,\n"
"``Precision LHC Event Generation with Herwig,''\n"
"in preparation.");
static Reference<MatchboxFactory,Tree2toNGenerator> interfaceDiagramGenerator
("DiagramGenerator",
"Set the diagram generator.",
&MatchboxFactory::theDiagramGenerator, false, false, true, true, false);
static Reference<MatchboxFactory,ProcessData> interfaceProcessData
("ProcessData",
"Set the process data object to be used.",
&MatchboxFactory::theProcessData, false, false, true, true, false);
static Parameter<MatchboxFactory,unsigned int> interfaceOrderInAlphaS
("OrderInAlphaS",
"The order in alpha_s to consider.",
&MatchboxFactory::theOrderInAlphaS, 0, 0, 0,
false, false, Interface::lowerlim);
static Parameter<MatchboxFactory,unsigned int> interfaceOrderInAlphaEW
("OrderInAlphaEW",
"The order in alpha_EW",
&MatchboxFactory::theOrderInAlphaEW, 2, 0, 0,
false, false, Interface::lowerlim);
static Switch<MatchboxFactory,bool> interfaceBornContributions
("BornContributions",
"Switch on or off the Born contributions.",
&MatchboxFactory::theBornContributions, true, false, false);
static SwitchOption interfaceBornContributionsOn
(interfaceBornContributions,
"On",
"Switch on Born contributions.",
true);
static SwitchOption interfaceBornContributionsOff
(interfaceBornContributions,
"Off",
"Switch off Born contributions.",
false);
static Switch<MatchboxFactory,bool> interfaceVirtualContributions
("VirtualContributions",
"Switch on or off the virtual contributions.",
&MatchboxFactory::theVirtualContributions, true, false, false);
static SwitchOption interfaceVirtualContributionsOn
(interfaceVirtualContributions,
"On",
"Switch on virtual contributions.",
true);
static SwitchOption interfaceVirtualContributionsOff
(interfaceVirtualContributions,
"Off",
"Switch off virtual contributions.",
false);
static Switch<MatchboxFactory,bool> interfaceRealContributions
("RealContributions",
"Switch on or off the real contributions.",
&MatchboxFactory::theRealContributions, true, false, false);
static SwitchOption interfaceRealContributionsOn
(interfaceRealContributions,
"On",
"Switch on real contributions.",
true);
static SwitchOption interfaceRealContributionsOff
(interfaceRealContributions,
"Off",
"Switch off real contributions.",
false);
static Switch<MatchboxFactory,bool> interfaceIndependentVirtuals
("IndependentVirtuals",
"Switch on or off virtual contributions as separate subprocesses.",
&MatchboxFactory::theIndependentVirtuals, true, false, false);
static SwitchOption interfaceIndependentVirtualsOn
(interfaceIndependentVirtuals,
"On",
"Switch on virtual contributions as separate subprocesses.",
true);
static SwitchOption interfaceIndependentVirtualsOff
(interfaceIndependentVirtuals,
"Off",
"Switch off virtual contributions as separate subprocesses.",
false);
static Switch<MatchboxFactory,bool> interfaceIndependentPKs
("IndependentPKOperators",
"Switch on or off PK oeprators as separate subprocesses.",
&MatchboxFactory::theIndependentPKs, true, false, false);
static SwitchOption interfaceIndependentPKsOn
(interfaceIndependentPKs,
"On",
"Switch on PK operators as separate subprocesses.",
true);
static SwitchOption interfaceIndependentPKsOff
(interfaceIndependentPKs,
"Off",
"Switch off PK operators as separate subprocesses.",
false);
static Switch<MatchboxFactory,bool> interfaceSubProcessGroups
("SubProcessGroups",
"Switch on or off production of sub-process groups.",
&MatchboxFactory::theSubProcessGroups, false, false, false);
static SwitchOption interfaceSubProcessGroupsOn
(interfaceSubProcessGroups,
"On",
"On",
true);
static SwitchOption interfaceSubProcessGroupsOff
(interfaceSubProcessGroups,
"Off",
"Off",
false);
static Reference<MatchboxFactory,MatchboxPhasespace> interfacePhasespace
("Phasespace",
"Set the phasespace generator.",
&MatchboxFactory::thePhasespace, false, false, true, true, false);
static Reference<MatchboxFactory,MatchboxScaleChoice> interfaceScaleChoice
("ScaleChoice",
"Set the scale choice object.",
&MatchboxFactory::theScaleChoice, false, false, true, true, false);
static Parameter<MatchboxFactory,double> interfaceFactorizationScaleFactor
("FactorizationScaleFactor",
"The factorization scale factor.",
&MatchboxFactory::theFactorizationScaleFactor, 1.0, 0.0, 0,
false, false, Interface::lowerlim);
static Parameter<MatchboxFactory,double> interfaceRenormalizationScaleFactor
("RenormalizationScaleFactor",
"The renormalization scale factor.",
&MatchboxFactory::theRenormalizationScaleFactor, 1.0, 0.0, 0,
false, false, Interface::lowerlim);
static Switch<MatchboxFactory,bool> interfaceFixedCouplings
("FixedCouplings",
"Switch on or off fixed couplings.",
&MatchboxFactory::theFixedCouplings, true, false, false);
static SwitchOption interfaceFixedCouplingsOn
(interfaceFixedCouplings,
"On",
"On",
true);
static SwitchOption interfaceFixedCouplingsOff
(interfaceFixedCouplings,
"Off",
"Off",
false);
static Switch<MatchboxFactory,bool> interfaceFixedQEDCouplings
("FixedQEDCouplings",
"Switch on or off fixed QED couplings.",
&MatchboxFactory::theFixedQEDCouplings, true, false, false);
static SwitchOption interfaceFixedQEDCouplingsOn
(interfaceFixedQEDCouplings,
"On",
"On",
true);
static SwitchOption interfaceFixedQEDCouplingsOff
(interfaceFixedQEDCouplings,
"Off",
"Off",
false);
static Switch<MatchboxFactory,bool> interfaceVetoScales
("VetoScales",
"Switch on or setting veto scales.",
&MatchboxFactory::theVetoScales, false, false, false);
static SwitchOption interfaceVetoScalesOn
(interfaceVetoScales,
"On",
"On",
true);
static SwitchOption interfaceVetoScalesOff
(interfaceVetoScales,
"Off",
"Off",
false);
static RefVector<MatchboxFactory,MatchboxAmplitude> interfaceAmplitudes
("Amplitudes",
"The amplitude objects.",
&MatchboxFactory::theAmplitudes, -1, false, false, true, true, false);
static RefVector<MatchboxFactory,MatchboxMEBase> interfaceBornMEs
("BornMEs",
"The Born matrix elements to be used",
&MatchboxFactory::theBornMEs, -1, false, false, true, true, false);
static RefVector<MatchboxFactory,MatchboxInsertionOperator> interfaceVirtuals
("Virtuals",
"The virtual corrections to include",
&MatchboxFactory::theVirtuals, -1, false, false, true, true, false);
static RefVector<MatchboxFactory,MatchboxMEBase> interfaceRealEmissionMEs
("RealEmissionMEs",
"The RealEmission matrix elements to be used",
&MatchboxFactory::theRealEmissionMEs, -1, false, false, true, true, false);
static RefVector<MatchboxFactory,MatchboxMEBase> interfaceBornVirtuals
("BornVirtualMEs",
"The generated Born/virtual contributions",
&MatchboxFactory::theBornVirtualMEs, -1, false, true, true, true, false);
static RefVector<MatchboxFactory,SubtractedME> interfaceSubtractedMEs
("SubtractedMEs",
"The generated subtracted real emission contributions",
&MatchboxFactory::theSubtractedMEs, -1, false, true, true, true, false);
static RefVector<MatchboxFactory,MatchboxMEBase> interfaceFiniteRealMEs
("FiniteRealMEs",
"The generated finite real contributions",
&MatchboxFactory::theFiniteRealMEs, -1, false, true, true, true, false);
static Switch<MatchboxFactory,bool> interfaceVerbose
("Verbose",
"Print full infomation on each evaluated phase space point.",
&MatchboxFactory::theVerbose, false, false, false);
static SwitchOption interfaceVerboseOn
(interfaceVerbose,
"On",
"On",
true);
static SwitchOption interfaceVerboseOff
(interfaceVerbose,
"Off",
"Off",
false);
static Switch<MatchboxFactory,bool> interfaceVerboseDia
("DiagramWeightVerbose",
"Print full infomation on each evaluated phase space point.",
&MatchboxFactory::theDiagramWeightVerbose, false, false, false);
static SwitchOption interfaceVerboseDiaOn
(interfaceVerboseDia,
"On",
"On",
true);
static SwitchOption interfaceVerboseDiaOff
(interfaceVerboseDia,
"Off",
"Off",
false);
static Parameter<MatchboxFactory,int> interfaceVerboseDiaNbins
("DiagramWeightVerboseNBins",
"No. of Bins for DiagramWeightVerbose Diagrams.",
&MatchboxFactory::theDiagramWeightVerboseNBins, 200, 0, 0,
false, false, Interface::lowerlim);
static Switch<MatchboxFactory,bool> interfaceInitVerbose
("InitVerbose",
"Print setup information.",
&MatchboxFactory::theInitVerbose, false, false, false);
static SwitchOption interfaceInitVerboseOn
(interfaceInitVerbose,
"On",
"On",
true);
static SwitchOption interfaceInitVerboseOff
(interfaceInitVerbose,
"Off",
"Off",
false);
static Parameter<MatchboxFactory,string> interfaceSubtractionData
("SubtractionData",
"Prefix for subtraction check data.",
&MatchboxFactory::theSubtractionData, "",
false, false);
static Switch<MatchboxFactory,int> interfaceSubtractionPlotType
("SubtractionPlotType",
"Switch for controlling what kind of plot is generated for checking the subtraction",
&MatchboxFactory::theSubtractionPlotType, 1, false, false);
static SwitchOption interfaceSubtractionPlotTypeLinearRatio
(interfaceSubtractionPlotType,
"LinRatio",
"Switch on the linear plot of the ratio",
1);
static SwitchOption interfaceSubtractionPlotTypeLogRelDiff
(interfaceSubtractionPlotType,
"LogRelDiff",
"Switch on the logarithmic plot of the relative difference",
2);
static Switch<MatchboxFactory,bool> interfaceSubtractionScatterPlot
("SubtractionScatterPlot",
"Switch for controlling whether subtraction data should be plotted for each phase space point individually",
&MatchboxFactory::theSubtractionScatterPlot, false, false, false);
static SwitchOption interfaceSubtractionScatterPlotOff
(interfaceSubtractionScatterPlot,
"Off", "Switch off the scatter plot", false);
static SwitchOption interfaceSubtractionScatterPlotOn
(interfaceSubtractionScatterPlot,
"On", "Switch on the scatter plot", true);
static Parameter<MatchboxFactory,string> interfacePoleData
("PoleData",
"Prefix for subtraction check data.",
&MatchboxFactory::thePoleData, "",
false, false);
static RefVector<MatchboxFactory,ParticleData> interfaceParticleGroup
("ParticleGroup",
"The particle group just started.",
&MatchboxFactory::particleGroup, -1, false, false, true, false, false);
static Command<MatchboxFactory> interfaceStartParticleGroup
("StartParticleGroup",
"Start a particle group.",
&MatchboxFactory::startParticleGroup, false);
static Command<MatchboxFactory> interfaceEndParticleGroup
("EndParticleGroup",
"End a particle group.",
&MatchboxFactory::endParticleGroup, false);
static Command<MatchboxFactory> interfaceProcess
("Process",
"Set the process(es) to consider.",
&MatchboxFactory::doProcess, false);
static Command<MatchboxFactory> interfaceLoopInducedProcess
("LoopInducedProcess",
"Set the loop induced process(es) to consider.",
&MatchboxFactory::doLoopInducedProcess, false);
static Command<MatchboxFactory> interfaceSingleRealProcess
("SingleRealProcess",
"Set the real emission process(es) to consider.",
&MatchboxFactory::doSingleRealProcess, false);
static Reference<MatchboxFactory,ShowerApproximation> interfaceShowerApproximation
("ShowerApproximation",
"Set the shower approximation to be considered.",
&MatchboxFactory::theShowerApproximation, false, false, true, true, false);
static Switch<MatchboxFactory,bool> interfaceRealEmissionScales
("RealEmissionScales",
"Switch on or off calculation of subtraction scales from real emission kinematics.",
&MatchboxFactory::theRealEmissionScales, false, false, false);
static SwitchOption interfaceRealEmissionScalesOn
(interfaceRealEmissionScales,
"On",
"On",
true);
static SwitchOption interfaceRealEmissionScalesOff
(interfaceRealEmissionScales,
"Off",
"Off",
false);
static Switch<MatchboxFactory,bool> interfaceAllProcesses
("AllProcesses",
"Consider all processes up to a maximum coupling order specified by the coupling order interfaces.",
&MatchboxFactory::theAllProcesses, false, false, false);
static SwitchOption interfaceAllProcessesYes
(interfaceAllProcesses,
"Yes",
"Include all processes.",
true);
static SwitchOption interfaceAllProcessesNo
(interfaceAllProcesses,
"No",
"Only consider processes matching the exact order in the couplings.",
false);
static RefVector<MatchboxFactory,MatchboxAmplitude> interfaceSelectAmplitudes
("SelectAmplitudes",
"The amplitude objects to be favoured in clashing responsibilities.",
&MatchboxFactory::theSelectedAmplitudes, -1, false, false, true, true, false);
static RefVector<MatchboxFactory,MatchboxAmplitude> interfaceDeselectAmplitudes
("DeselectAmplitudes",
"The amplitude objects to be disfavoured in clashing responsibilities.",
&MatchboxFactory::theDeselectedAmplitudes, -1, false, false, true, true, false);
static Switch<MatchboxFactory,int> interfaceDipoleSet
("DipoleSet",
"The set of subtraction terms to be considered.",
&MatchboxFactory::theDipoleSet, 0, false, false);
static SwitchOption interfaceDipoleSetCataniSeymour
(interfaceDipoleSet,
"CataniSeymour",
"Use default Catani-Seymour dipoles.",
0);
static RefVector<MatchboxFactory,ReweightBase> interfaceReweighters
("Reweighters",
"Reweight objects for matrix elements.",
&MatchboxFactory::theReweighters, -1, false, false, true, false, false);
static RefVector<MatchboxFactory,ReweightBase> interfacePreweighters
("Preweighters",
"Preweight objects for matrix elements.",
&MatchboxFactory::thePreweighters, -1, false, false, true, false, false);
static Switch<MatchboxFactory,bool> interfaceMECorrectionsOnly
("MECorrectionsOnly",
"Prepare only ME corrections, but no NLO calculation.",
&MatchboxFactory::theMECorrectionsOnly, false, false, false);
static SwitchOption interfaceMECorrectionsOnlyYes
(interfaceMECorrectionsOnly,
"Yes",
"Produce only ME corrections.",
true);
static SwitchOption interfaceMECorrectionsOnlyNo
(interfaceMECorrectionsOnly,
"No",
"Produce full NLO.",
false);
static Switch<MatchboxFactory,bool> interfaceLoopSimCorrections
("LoopSimCorrections",
"Prepare LoopSim corrections.",
&MatchboxFactory::theLoopSimCorrections, false, false, false);
static SwitchOption interfaceLoopSimCorrectionsYes
(interfaceLoopSimCorrections,
"Yes",
"Produce loopsim corrections.",
true);
static SwitchOption interfaceLoopSimCorrectionsNo
(interfaceLoopSimCorrections,
"No",
"Produce full NLO.",
false);
static Switch<MatchboxFactory,bool> interfaceFirstPerturbativePDF
("FirstPerturbativePDF",
"",
&MatchboxFactory::theFirstPerturbativePDF, true, false, false);
static SwitchOption interfaceFirstPerturbativePDFYes
(interfaceFirstPerturbativePDF,
"Yes",
"",
true);
static SwitchOption interfaceFirstPerturbativePDFNo
(interfaceFirstPerturbativePDF,
"No",
"",
false);
static Switch<MatchboxFactory,bool> interfaceSecondPerturbativePDF
("SecondPerturbativePDF",
"",
&MatchboxFactory::theSecondPerturbativePDF, true, false, false);
static SwitchOption interfaceSecondPerturbativePDFYes
(interfaceSecondPerturbativePDF,
"Yes",
"",
true);
static SwitchOption interfaceSecondPerturbativePDFNo
(interfaceSecondPerturbativePDF,
"No",
"",
false);
static Command<MatchboxFactory> interfaceProductionMode
("ProductionMode",
"Switch this factory to production mode.",
&MatchboxFactory::doProductionMode, false);
static Switch<MatchboxFactory,bool> interfaceSpinCorrelations
("SpinCorrelations",
"Fill information for the spin correlations, if possible.",
&MatchboxFactory::theSpinCorrelations, false, false, false);
static SwitchOption interfaceSpinCorrelationsYes
(interfaceSpinCorrelations,
"Yes",
"",
true);
static SwitchOption interfaceSpinCorrelationsNo
(interfaceSpinCorrelations,
"No",
"",
false);
static Parameter<MatchboxFactory,double> interfaceAlphaParameter
("AlphaParameter",
"Nagy-AlphaParameter.",
&MatchboxFactory::theAlphaParameter, 1.0, 0.0, 0,
false, false, Interface::lowerlim);
}
// *** Attention *** The following static variable is needed for the type
// description system in ThePEG. Please check that the template arguments
// are correct (the class and its base class), and that the constructor
// arguments are correct (the class name and the name of the dynamically
// loadable library where the class implementation can be found).
DescribeClass<MatchboxFactory,SubProcessHandler>
describeHerwigMatchboxFactory("Herwig::MatchboxFactory", "Herwig.so");

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