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EvtDecayTable.cpp
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EvtDecayTable.cpp
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//--------------------------------------------------------------------------
//
// Environment:
// This software is part of the EvtGen package developed jointly
// for the BaBar and CLEO collaborations. If you use all or part
// of it, please give an appropriate acknowledgement.
//
// Copyright Information: See EvtGen/COPYRIGHT
// Copyright (C) 1998 Caltech, UCSB
//
// Module: EvtDecayTable.cc
//
// Description:
//
// Modification history:
//
// DJL/RYD September 25, 1996 Module created
//
//------------------------------------------------------------------------
//
#include "EvtGenBase/EvtPatches.hh"
#include <iostream>
#include <iomanip>
#include <fstream>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <sstream>
#include "EvtGenBase/EvtParticle.hh"
#include "EvtGenBase/EvtRandom.hh"
#include "EvtGenBase/EvtDecayTable.hh"
#include "EvtGenBase/EvtPDL.hh"
#include "EvtGenBase/EvtSymTable.hh"
#include "EvtGenBase/EvtDecayBase.hh"
#include "EvtGenBase/EvtModel.hh"
#include "EvtGenBase/EvtParser.hh"
#include "EvtGenBase/EvtParserXml.hh"
#include "EvtGenBase/EvtReport.hh"
#include "EvtGenBase/EvtModelAlias.hh"
#include "EvtGenBase/EvtRadCorr.hh"
#include "EvtGenBase/EvtExtGeneratorCommandsTable.hh"
using std::endl;
using std::fstream;
using std::ifstream;
EvtDecayTable::EvtDecayTable() {
_decaytable.clear();
}
EvtDecayTable::~EvtDecayTable() {
_decaytable.clear();
}
EvtDecayTable* EvtDecayTable::getInstance() {
static EvtDecayTable* theDecayTable = 0;
if (theDecayTable == 0) {
theDecayTable = new EvtDecayTable();
}
return theDecayTable;
}
int EvtDecayTable::getNMode(int ipar){
return _decaytable[ipar].getNMode();
}
EvtDecayBase* EvtDecayTable::getDecay(int ipar, int imode){
return _decaytable[ipar].getDecayModel(imode);
}
void EvtDecayTable::printSummary(){
for(size_t i=0;i<EvtPDL::entries();i++){
_decaytable[i].printSummary();
}
}
EvtDecayBase* EvtDecayTable::getDecayFunc(EvtParticle *p){
int partnum;
partnum=p->getId().getAlias();
if ( _decaytable[partnum].getNMode()==0 ) return 0;
return _decaytable[partnum].getDecayModel(p);
}
void EvtDecayTable::readDecayFile(const std::string dec_name, bool verbose){
if ( _decaytable.size() < EvtPDL::entries() ) _decaytable.resize(EvtPDL::entries());
EvtModel &modelist=EvtModel::instance();
EvtExtGeneratorCommandsTable* extGenCommands = EvtExtGeneratorCommandsTable::getInstance();
std::string colon(":"), equals("=");
int i;
EvtGenReport(EVTGEN_INFO,"EvtGen") << "In readDecayFile, reading:"<<dec_name.c_str()<<endl;
ifstream fin;
fin.open(dec_name.c_str());
if (!fin) {
EvtGenReport(EVTGEN_ERROR,"EvtGen") << "Could not open "<<dec_name.c_str()<<endl;
}
fin.close();
EvtParser parser;
parser.read(dec_name);
int itok;
int hasend=0;
std::string token;
for(itok=0;itok<parser.getNToken();itok++){
token=parser.getToken(itok);
if (token=="End") hasend=1;
}
if (!hasend){
EvtGenReport(EVTGEN_ERROR,"EvtGen") << "Could not find an 'End' in "<<dec_name.c_str()<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") << "Will terminate execution."<<endl;
::abort();
}
std::string model,parent,sdaug;
EvtId ipar;
int n_daugh;
EvtId daught[MAX_DAUG];
double brfr;
int itoken=0;
std::vector<EvtModelAlias> modelAliasList;
do{
token=parser.getToken(itoken++);
//Easy way to turn off photos... Lange September 5, 2000
if (token=="noPhotos"){
EvtRadCorr::setNeverRadCorr();
if ( verbose )
EvtGenReport(EVTGEN_INFO,"EvtGen")
<< "As requested, PHOTOS will be turned off."<<endl;
}
else if (token=="yesPhotos"){
EvtRadCorr::setAlwaysRadCorr();
if ( verbose)
EvtGenReport(EVTGEN_INFO,"EvtGen")
<< "As requested, PHOTOS will be turned on for all decays."<<endl;
}
else if (token=="normalPhotos"){
EvtRadCorr::setNormalRadCorr();
if ( verbose)
EvtGenReport(EVTGEN_INFO,"EvtGen")
<< "As requested, PHOTOS will be turned on only when requested."<<endl;
}
else if (token=="Alias"){
std::string newname;
std::string oldname;
newname=parser.getToken(itoken++);
oldname=parser.getToken(itoken++);
EvtId id=EvtPDL::getId(oldname);
if (id==EvtId(-1,-1)) {
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Unknown particle name:"<<oldname.c_str()
<<" on line "<<parser.getLineofToken(itoken)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Will terminate execution!"<<endl;
::abort();
}
EvtPDL::alias(id,newname);
if ( _decaytable.size() < EvtPDL::entries() ) _decaytable.resize(EvtPDL::entries());
} else if (token=="ModelAlias"){
std::vector<std::string> modelArgList;
std::string aliasName=parser.getToken(itoken++);
std::string modelName=parser.getToken(itoken++);
std::string nameTemp;
do{
nameTemp=parser.getToken(itoken++);
if (nameTemp!=";") {
modelArgList.push_back(nameTemp);
}
}while(nameTemp!=";");
EvtModelAlias newAlias(aliasName,modelName,modelArgList);
modelAliasList.push_back(newAlias);
} else if (token=="ChargeConj"){
std::string aname;
std::string abarname;
aname=parser.getToken(itoken++);
abarname=parser.getToken(itoken++);
EvtId a=EvtPDL::getId(aname);
EvtId abar=EvtPDL::getId(abarname);
if (a==EvtId(-1,-1)) {
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Unknown particle name:"<<aname.c_str()
<<" on line "<<parser.getLineofToken(itoken)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Will terminate execution!"<<endl;
::abort();
}
if (abar==EvtId(-1,-1)) {
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Unknown particle name:"<<abarname.c_str()
<<" on line "<<parser.getLineofToken(itoken)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Will terminate execution!"<<endl;
::abort();
}
EvtPDL::aliasChgConj(a,abar);
} else if (token == "JetSetPar") {
// Check if any old Pythia 6 commands are present
std::string pythiaCommand = parser.getToken(itoken++);
Command command;
// The old command format is NAME(INT)=VALUE
int i1 = pythiaCommand.find_first_of("(");
int i2 = pythiaCommand.find_first_of(")");
int i3 = pythiaCommand.find_first_of("=");
std::string pythiaModule = pythiaCommand.substr(0, i1);
std::string pythiaParam = pythiaCommand.substr(i1+1, i2-i1-1);
std::string pythiaValue = pythiaCommand.substr(i3+1);
command["MODULE"] = pythiaModule;
command["PARAM"] = pythiaParam;
command["VALUE"] = pythiaValue;
command["GENERATOR"] = "Both";
command["VERSION"] = "PYTHIA6";
extGenCommands->addCommand("PYTHIA", command);
} else if (modelist.isCommand(token)){
std::string cnfgstr;
cnfgstr=parser.getToken(itoken++);
modelist.storeCommand(token,cnfgstr);
} else if (token == "PythiaGenericParam" || token == "PythiaAliasParam" ||
token == "PythiaBothParam") {
// Read in any Pythia 8 commands, which will be of the form
// pythia<type>Param module:param=value, with no spaces in the parameter
// string! Here, <type> specifies whether the command is for generic
// decays, alias decays, or both.
// Pythia 6 commands will be defined by the old JetSetPar command
// name, which is handled by the modelist.isCommand() statement above.
std::string pythiaCommand = parser.getToken(itoken++);
std::string pythiaModule(""), pythiaParam(""), pythiaValue("");
// Separate out the string into the 3 sections using the delimiters
// ":" and "=".
std::vector<std::string> pComVect1 = this->splitString(pythiaCommand, colon);
if (pComVect1.size() == 2) {
pythiaModule = pComVect1[0];
std::string pCom2 = pComVect1[1];
std::vector<std::string> pComVect2 = this->splitString(pCom2, equals);
if (pComVect2.size() == 2) {
pythiaParam = pComVect2[0];
pythiaValue = pComVect2[1];
}
}
// Define the Pythia 8 command and pass it to the external generator
// command list.
Command command;
if (token == "PythiaGenericParam") {
command["GENERATOR"] = "Generic";
} else if (token == "PythiaAliasParam") {
command["GENERATOR"] = "Alias";
} else {
command["GENERATOR"] = "Both";
}
command["MODULE"] = pythiaModule;
command["PARAM"] = pythiaParam;
command["VALUE"] = pythiaValue;
command["VERSION"] = "PYTHIA8";
extGenCommands->addCommand("PYTHIA", command);
} else if (token=="CDecay"){
std::string name;
name=parser.getToken(itoken++);
ipar=EvtPDL::getId(name);
if (ipar==EvtId(-1,-1)) {
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Unknown particle name:"<<name.c_str()
<<" on line "
<<parser.getLineofToken(itoken-1)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Will terminate execution!"<<endl;
::abort();
}
EvtId cipar=EvtPDL::chargeConj(ipar);
if (_decaytable[ipar.getAlias()].getNMode()!=0) {
if ( verbose )
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<
"Redefined decay of "<<name.c_str()<<" in CDecay"<<endl;
_decaytable[ipar.getAlias()].removeDecay();
}
//take contents of cipar and conjugate and store in ipar
_decaytable[ipar.getAlias()].makeChargeConj(&_decaytable[cipar.getAlias()]);
} else if (token=="Define"){
std::string name;
name=parser.getToken(itoken++);
// value=atof(parser.getToken(itoken++).c_str());
EvtSymTable::define(name,parser.getToken(itoken++));
//New code Lange April 10, 2001 - allow the user
//to change particle definitions of EXISTING
//particles on the fly
} else if (token=="Particle"){
std::string pname;
pname=parser.getToken(itoken++);
if ( verbose )
EvtGenReport(EVTGEN_INFO,"EvtGen") << pname.c_str() << endl;
//There should be at least the mass
double newMass=atof(parser.getToken(itoken++).c_str());
EvtId thisPart = EvtPDL::getId(pname);
double newWidth=EvtPDL::getMeanMass(thisPart);
if ( parser.getNToken() > 3 ) newWidth=atof(parser.getToken(itoken++).c_str());
//Now make the change!
EvtPDL::reSetMass(thisPart, newMass);
EvtPDL::reSetWidth(thisPart, newWidth);
if (verbose )
EvtGenReport(EVTGEN_INFO,"EvtGen") << "Changing particle properties of " <<
pname.c_str() << " Mass=" << newMass << " Width="<<newWidth<<endl;
} else if ( token=="ChangeMassMin") {
std::string pname;
pname=parser.getToken(itoken++);
double tmass=atof(parser.getToken(itoken++).c_str());
EvtId thisPart = EvtPDL::getId(pname);
EvtPDL::reSetMassMin(thisPart,tmass);
if ( verbose )
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Refined minimum mass for " << EvtPDL::name(thisPart).c_str() << " to be " << tmass << endl;
} else if ( token=="ChangeMassMax") {
std::string pname;
pname=parser.getToken(itoken++);
double tmass=atof(parser.getToken(itoken++).c_str());
EvtId thisPart = EvtPDL::getId(pname);
EvtPDL::reSetMassMax(thisPart,tmass);
if ( verbose )
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Refined maximum mass for " << EvtPDL::name(thisPart).c_str() << " to be " << tmass << endl;
} else if ( token=="IncludeBirthFactor") {
std::string pname;
pname=parser.getToken(itoken++);
bool yesno=false;
if ( parser.getToken(itoken++)=="yes") yesno=true;
EvtId thisPart = EvtPDL::getId(pname);
EvtPDL::includeBirthFactor(thisPart,yesno);
if ( verbose ) {
if ( yesno ) EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Include birth factor for " << EvtPDL::name(thisPart).c_str() <<endl;
if ( !yesno ) EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"No longer include birth factor for " << EvtPDL::name(thisPart).c_str() <<endl;
}
} else if ( token=="IncludeDecayFactor") {
std::string pname;
pname=parser.getToken(itoken++);
bool yesno=false;
if ( parser.getToken(itoken++)=="yes") yesno=true;
EvtId thisPart = EvtPDL::getId(pname);
EvtPDL::includeDecayFactor(thisPart,yesno);
if ( verbose ) {
if ( yesno ) EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Include decay factor for " << EvtPDL::name(thisPart).c_str() <<endl;
if ( !yesno ) EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"No longer include decay factor for " << EvtPDL::name(thisPart).c_str() <<endl;
}
} else if ( token=="LSNONRELBW") {
std::string pname;
pname=parser.getToken(itoken++);
EvtId thisPart = EvtPDL::getId(pname);
std::string tstr="NONRELBW";
EvtPDL::changeLS(thisPart,tstr);
if ( verbose )
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Change lineshape to non-rel BW for " << EvtPDL::name(thisPart).c_str() <<endl;
} else if ( token=="LSFLAT") {
std::string pname;
pname=parser.getToken(itoken++);
EvtId thisPart = EvtPDL::getId(pname);
std::string tstr="FLAT";
EvtPDL::changeLS(thisPart,tstr);
if (verbose)
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Change lineshape to flat for " << EvtPDL::name(thisPart).c_str() <<endl;
} else if ( token=="LSMANYDELTAFUNC") {
std::string pname;
pname=parser.getToken(itoken++);
EvtId thisPart = EvtPDL::getId(pname);
std::string tstr="MANYDELTAFUNC";
EvtPDL::changeLS(thisPart,tstr);
if ( verbose )
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Change lineshape to spikes for " << EvtPDL::name(thisPart).c_str() <<endl;
} else if ( token=="BlattWeisskopf") {
std::string pname;
pname=parser.getToken(itoken++);
double tnum=atof(parser.getToken(itoken++).c_str());
EvtId thisPart = EvtPDL::getId(pname);
EvtPDL::reSetBlatt(thisPart,tnum);
if ( verbose )
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Redefined Blatt-Weisskopf factor " << EvtPDL::name(thisPart).c_str() << " to be " << tnum << endl;
} else if ( token=="BlattWeisskopfBirth") {
std::string pname;
pname=parser.getToken(itoken++);
double tnum=atof(parser.getToken(itoken++).c_str());
EvtId thisPart = EvtPDL::getId(pname);
EvtPDL::reSetBlattBirth(thisPart,tnum);
if ( verbose )
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Redefined Blatt-Weisskopf birth factor " << EvtPDL::name(thisPart).c_str() << " to be " << tnum << endl;
} else if ( token=="SetLineshapePW") {
std::string pname;
pname=parser.getToken(itoken++);
EvtId thisPart = EvtPDL::getId(pname);
std::string pnameD1=parser.getToken(itoken++);
EvtId thisD1 = EvtPDL::getId(pnameD1);
std::string pnameD2=parser.getToken(itoken++);
EvtId thisD2 = EvtPDL::getId(pnameD2);
int pw=atoi(parser.getToken(itoken++).c_str());
if ( verbose )
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Redefined Partial wave for " << pname.c_str() << " to " << pnameD1.c_str() << " " << pnameD2.c_str() << " ("<<pw<<")"<<endl;
EvtPDL::setPWForDecay(thisPart,pw,thisD1,thisD2);
EvtPDL::setPWForBirthL(thisD1,pw,thisPart,thisD2);
EvtPDL::setPWForBirthL(thisD2,pw,thisPart,thisD1);
} else if (token=="Decay") {
std::string temp_fcn_new_model;
EvtDecayBase* temp_fcn_new;
double brfrsum=0.0;
parent=parser.getToken(itoken++);
ipar=EvtPDL::getId(parent);
if (ipar==EvtId(-1,-1)) {
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Unknown particle name:"<<parent.c_str()
<<" on line "
<<parser.getLineofToken(itoken-1)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Will terminate execution!"<<endl;
::abort();
}
if (_decaytable[ipar.getAlias()].getNMode()!=0) {
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Redefined decay of "
<<parent.c_str()<<endl;
_decaytable[ipar.getAlias()].removeDecay();
}
do{
token=parser.getToken(itoken++);
if (token!="Enddecay"){
i=0;
while (token.c_str()[i++]!=0){
if (isalpha(token.c_str()[i])){
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<
"Expected to find a branching fraction or Enddecay "<<
"but found:"<<token.c_str()<<" on line "<<
parser.getLineofToken(itoken-1)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") << "Possibly to few arguments to model "<<
"on previous line!"<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") << "Will terminate execution!"<<endl;
::abort();
}
}
brfr=atof(token.c_str());
int isname=EvtPDL::getId(parser.getToken(itoken)).getId()>=0;
int ismodel=modelist.isModel(parser.getToken(itoken));
if (!(isname||ismodel)){
//see if this is an aliased model
for(size_t iAlias=0;iAlias<modelAliasList.size();iAlias++){
if ( modelAliasList[iAlias].matchAlias(parser.getToken(itoken)) ) {
ismodel=2;
break;
}
}
}
if (!(isname||ismodel)){
EvtGenReport(EVTGEN_INFO,"EvtGen") << parser.getToken(itoken).c_str()
<< " is neither a particle name nor "
<< "the name of a model. "<<endl;
EvtGenReport(EVTGEN_INFO,"EvtGen") << "It was encountered on line "<<
parser.getLineofToken(itoken)<<" of the decay file."<<endl;
EvtGenReport(EVTGEN_INFO,"EvtGen") << "Please fix it. Thank you."<<endl;
EvtGenReport(EVTGEN_INFO,"EvtGen") << "Be sure to check that the "
<< "correct case has been used. \n";
EvtGenReport(EVTGEN_INFO,"EvtGen") << "Terminating execution. \n";
::abort();
itoken++;
}
n_daugh=0;
while(EvtPDL::getId(parser.getToken(itoken)).getId()>=0){
sdaug=parser.getToken(itoken++);
daught[n_daugh++]=EvtPDL::getId(sdaug);
if (daught[n_daugh-1]==EvtId(-1,-1)) {
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Unknown particle name:"<<sdaug.c_str()
<<" on line "<<parser.getLineofToken(itoken)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Will terminate execution!"<<endl;
::abort();
}
}
model=parser.getToken(itoken++);
int photos=0;
int verbose=0;
int summary=0;
do{
if (model=="PHOTOS"){
photos=1;
model=parser.getToken(itoken++);
}
if (model=="VERBOSE"){
verbose=1;
model=parser.getToken(itoken++);
}
if (model=="SUMMARY"){
summary=1;
model=parser.getToken(itoken++);
}
}while(model=="PHOTOS"||
model=="VERBOSE"||
model=="SUMMARY");
//see if this is an aliased model
int foundAnAlias=-1;
for(size_t iAlias=0;iAlias<modelAliasList.size();iAlias++){
if ( modelAliasList[iAlias].matchAlias(model) ) {
foundAnAlias=iAlias;
break;
}
}
if ( foundAnAlias==-1 ) {
if(!modelist.isModel(model)){
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<
"Expected to find a model name,"<<
"found:"<<model.c_str()<<" on line "<<
parser.getLineofToken(itoken)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") << "Will terminate execution!"<<endl;
::abort();
}
}
else{
model=modelAliasList[foundAnAlias].getName();
}
temp_fcn_new_model=model;
temp_fcn_new=modelist.getFcn(model);
if (photos){
temp_fcn_new->setPHOTOS();
}
if (verbose){
temp_fcn_new->setVerbose();
}
if (summary){
temp_fcn_new->setSummary();
}
std::vector<std::string> temp_fcn_new_args;
std::string name;
int ierr;
if ( foundAnAlias==-1 ) {
do{
name=parser.getToken(itoken++);
if (name!=";") {
temp_fcn_new_args.push_back(EvtSymTable::get(name,ierr));
if (ierr) {
EvtGenReport(EVTGEN_ERROR,"EvtGen")
<<"Reading arguments and found:"<<
name.c_str()<<" on line:"<<
parser.getLineofToken(itoken-1)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen")
<< "Will terminate execution!"<<endl;
::abort();
}
}
//int isname=EvtPDL::getId(name).getId()>=0;
int ismodel=modelist.isModel(name);
if (ismodel) {
EvtGenReport(EVTGEN_ERROR,"EvtGen")
<<"Expected ';' but found:"<<
name.c_str()<<" on line:"<<
parser.getLineofToken(itoken-1)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen")
<< "Most probable error is omitted ';'."<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen")
<< "Will terminate execution!"<<endl;
::abort();
}
}while(name!=";");
}
else{
std::vector<std::string> copyMe=modelAliasList[foundAnAlias].getArgList();
temp_fcn_new_args=copyMe;
itoken++;
}
//Found one decay.
brfrsum+=brfr;
temp_fcn_new->saveDecayInfo(ipar,n_daugh,
daught,
temp_fcn_new_args.size(),
temp_fcn_new_args,
temp_fcn_new_model,
brfr);
double massmin=0.0;
// for (i=0;i<n_daugh;i++){
for (i=0;i<temp_fcn_new->nRealDaughters();i++){
if ( EvtPDL::getMinMass(daught[i])>0.0001 ){
massmin+=EvtPDL::getMinMass(daught[i]);
} else {
massmin+=EvtPDL::getMeanMass(daught[i]);
}
}
_decaytable[ipar.getAlias()].addMode(temp_fcn_new,brfrsum,massmin);
}
} while(token!="Enddecay");
_decaytable[ipar.getAlias()].finalize();
}
// Allow copying of decays from one particle to another; useful
// in combination with RemoveDecay
else if (token=="CopyDecay") {
std::string newname;
std::string oldname;
newname=parser.getToken(itoken++);
oldname=parser.getToken(itoken++);
EvtId newipar=EvtPDL::getId(newname);
EvtId oldipar=EvtPDL::getId(oldname);
if (oldipar==EvtId(-1,-1)) {
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Unknown particle name:"<<oldname.c_str()
<<" on line "<<parser.getLineofToken(itoken)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Will terminate execution!"<<endl;
::abort();
}
if (newipar==EvtId(-1,-1)) {
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Unknown particle name:"<<newname.c_str()
<<" on line "<<parser.getLineofToken(itoken)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Will terminate execution!"<<endl;
::abort();
}
if (_decaytable[newipar.getAlias()].getNMode()!=0) {
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Redefining decay of "
<<newname<<endl;
_decaytable[newipar.getAlias()].removeDecay();
}
_decaytable[newipar.getAlias()] = _decaytable[oldipar.getAlias()];
}
// Enable decay deletion; intended primarily for aliases
// Peter Onyisi, March 2008
else if (token=="RemoveDecay") {
parent = parser.getToken(itoken++);
ipar = EvtPDL::getId(parent);
if (ipar==EvtId(-1,-1)) {
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Unknown particle name:"<<parent.c_str()
<<" on line "
<<parser.getLineofToken(itoken-1)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Will terminate execution!"<<endl;
::abort();
}
if (_decaytable[ipar.getAlias()].getNMode()==0) {
EvtGenReport(EVTGEN_DEBUG,"EvtGen") << "No decays to delete for "
<< parent.c_str() << endl;
} else {
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Deleting selected decays of "
<<parent.c_str()<<endl;
}
do {
token = parser.getToken(itoken);
if (token != "Enddecay") {
n_daugh = 0;
while (EvtPDL::getId(parser.getToken(itoken)).getId() >= 0) {
sdaug = parser.getToken(itoken++);
daught[n_daugh++] = EvtPDL::getId(sdaug);
if (daught[n_daugh-1]==EvtId(-1,-1)) {
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Unknown particle name:"<<sdaug.c_str()
<<" on line "<<parser.getLineofToken(itoken)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Will terminate execution!"<<endl;
::abort();
}
}
token = parser.getToken(itoken);
if (token != ";") {
EvtGenReport(EVTGEN_ERROR,"EvtGen")
<<"Expected ';' but found:"<<
token <<" on line:"<<
parser.getLineofToken(itoken-1)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen")
<< "Most probable error is omitted ';'."<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen")
<< "Will terminate execution!"<<endl;
::abort();
}
token = parser.getToken(itoken++);
EvtDecayBase* temp_fcn_new = modelist.getFcn("PHSP");
std::vector<std::string> temp_fcn_new_args;
std::string temp_fcn_new_model("PHSP");
temp_fcn_new->saveDecayInfo(ipar, n_daugh,
daught,
0,
temp_fcn_new_args,
temp_fcn_new_model,
0.);
_decaytable[ipar.getAlias()].removeMode(temp_fcn_new);
}
} while (token != "Enddecay");
itoken++;
}
else if (token!="End"){
EvtGenReport(EVTGEN_ERROR,"EvtGen") << "Found unknown command:'"<<token.c_str()<<"' on line "
<<parser.getLineofToken(itoken)<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") << "Will terminate execution!"<<endl;
::abort();
}
} while ((token!="End")&&itoken!=parser.getNToken());
//Now we may need to reset the minimum mass for some particles????
for (size_t ii=0; ii<EvtPDL::entries(); ii++){
EvtId temp(ii,ii);
int nModTot=getNMode(ii);
//no decay modes
if ( nModTot == 0 ) continue;
//0 width?
if ( EvtPDL::getWidth(temp) < 0.0000001 ) continue;
int jj;
double minMass=EvtPDL::getMaxMass(temp);
for (jj=0; jj<nModTot; jj++) {
double tmass=_decaytable[ii].getDecay(jj).getMassMin();
if ( tmass< minMass) minMass=tmass;
}
if ( minMass > EvtPDL::getMinMass(temp) ) {
if ( verbose )
EvtGenReport(EVTGEN_INFO,"EvtGen") << "Given allowed decays, resetting minMass " << EvtPDL::name(temp).c_str() << " "
<< EvtPDL::getMinMass(temp) << " to " << minMass << endl;
EvtPDL::reSetMassMin(temp,minMass);
}
}
}
void EvtDecayTable::readXMLDecayFile(const std::string dec_name, bool verbose){
if ( _decaytable.size() < EvtPDL::entries() ) _decaytable.resize(EvtPDL::entries());
EvtModel &modelist=EvtModel::instance();
EvtExtGeneratorCommandsTable* extGenCommands = EvtExtGeneratorCommandsTable::getInstance();
EvtParserXml parser;
parser.open(dec_name);
EvtId ipar;
std::string decayParent = "";
double brfrSum = 0.;
std::vector<EvtModelAlias> modelAliasList;
bool endReached = false;
while(parser.readNextTag()) {
//TAGS FOUND UNDER DATA
if(parser.getParentTagTitle() == "data") {
if(parser.getTagTitle() == "photos") {
std::string usage = parser.readAttribute("usage");
if(usage == "always") {
EvtRadCorr::setAlwaysRadCorr();
if ( verbose )
EvtGenReport(EVTGEN_INFO,"EvtGen")
<< "As requested, PHOTOS will be turned on for all decays."<<endl;
} else if(usage == "never") {
EvtRadCorr::setNeverRadCorr();
if ( verbose )
EvtGenReport(EVTGEN_INFO,"EvtGen")
<< "As requested, PHOTOS will be turned off."<<endl;
} else {
EvtRadCorr::setNormalRadCorr();
if ( verbose )
EvtGenReport(EVTGEN_INFO,"EvtGen")
<< "As requested, PHOTOS will be turned on only when requested."<<endl;
}
} else if(parser.getTagTitle() == "alias") {
std::string alias = parser.readAttribute("name");
std::string particle = parser.readAttribute("particle");
checkParticle(particle);
EvtId id=EvtPDL::getId(particle);
EvtPDL::alias(id,alias);
if ( _decaytable.size() < EvtPDL::entries() ) _decaytable.resize(EvtPDL::entries());
} else if(parser.getTagTitle() == "modelAlias") {
std::vector<std::string> modelArgList;
std::string alias = parser.readAttribute("name");
std::string model = parser.readAttribute("model");
std::string paramStr = parser.readAttribute("params");
std::istringstream paramStream(paramStr);
std::string param;
if(paramStr=="") {
EvtDecayBase* fcn = modelist.getFcn(model);
int i(0);
std::string paramName = fcn->getParamName(0);
while(paramName!="") {
param = parser.readAttribute(paramName,fcn->getParamDefault(i));
if(param=="") break;
modelArgList.push_back(param);
++i;
paramName = fcn->getParamName(i);
}
} else {
while(std::getline(paramStream, param, ' ')) {
modelArgList.push_back(param);
}
}
EvtModelAlias newAlias(alias,model,modelArgList);
modelAliasList.push_back(newAlias);
} else if(parser.getTagTitle() == "chargeConj") {
std::string particle = parser.readAttribute("particle");
std::string conjugate = parser.readAttribute("conjugate");
EvtId a=EvtPDL::getId(particle);
EvtId abar=EvtPDL::getId(conjugate);
checkParticle(particle);
checkParticle(conjugate);
EvtPDL::aliasChgConj(a,abar);
} else if(parser.getTagTitle() == "conjDecay") {
std::string particle = parser.readAttribute("particle");
EvtId a=EvtPDL::getId(particle);
EvtId abar=EvtPDL::chargeConj(a);
checkParticle(particle);
checkParticle(abar.getName());
if (_decaytable[a.getAlias()].getNMode()!=0) {
if ( verbose )
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<
"Redefined decay of "<<particle.c_str()<<" in ConjDecay"<<endl;
_decaytable[a.getAlias()].removeDecay();
}
//take contents of abar and conjugate and store in a
_decaytable[a.getAlias()].makeChargeConj(&_decaytable[abar.getAlias()]);
} else if(parser.getTagTitle() == "define") {
std::string name = parser.readAttribute("name");
std::string value = parser.readAttribute("value");
EvtSymTable::define(name,value);
} else if(parser.getTagTitle() == "particle") {
std::string name = parser.readAttribute("name");
double mass = parser.readAttributeDouble("mass");
double width = parser.readAttributeDouble("width");
double minMass = parser.readAttributeDouble("massMin");
double maxMass = parser.readAttributeDouble("massMax");
std::string birthFactor = parser.readAttribute("includeBirthFactor");
std::string decayFactor = parser.readAttribute("includeDecayFactor");
std::string lineShape = parser.readAttribute("lineShape");
double blattWeisskopfD = parser.readAttributeDouble("blattWeisskopfFactor");
double blattWeisskopfB = parser.readAttributeDouble("blattWeisskopfBirth");
EvtId thisPart = EvtPDL::getId(name);
checkParticle(name);
if(mass != -1) {
EvtPDL::reSetMass(thisPart, mass);
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Refined mass for " << EvtPDL::name(thisPart).c_str() << " to be " << mass << endl;
}
if(width != -1) {
EvtPDL::reSetWidth(thisPart, width);
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Refined width for " << EvtPDL::name(thisPart).c_str() << " to be " << width << endl;
}
if(minMass != -1) {
EvtPDL::reSetMassMin(thisPart,minMass);
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Refined minimum mass for " << EvtPDL::name(thisPart).c_str() << " to be " << minMass << endl;
}
if(maxMass != -1) {
EvtPDL::reSetMassMax(thisPart,maxMass);
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Refined maximum mass for " << EvtPDL::name(thisPart).c_str() << " to be " << maxMass << endl;
}
if(!birthFactor.empty()) {
EvtPDL::includeBirthFactor(thisPart,stringToBoolean(birthFactor));
if(verbose) {
if(stringToBoolean(birthFactor)) {
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Include birth factor for " << EvtPDL::name(thisPart).c_str() <<endl;
} else {
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"No longer include birth factor for " << EvtPDL::name(thisPart).c_str() <<endl;
}
}
}
if(!decayFactor.empty()) {
EvtPDL::includeDecayFactor(thisPart,stringToBoolean(decayFactor));
if(verbose) {
if(stringToBoolean(decayFactor)) {
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Include decay factor for " << EvtPDL::name(thisPart).c_str() <<endl;
} else {
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"No longer include decay factor for " << EvtPDL::name(thisPart).c_str() <<endl;
}
}
}
if(!lineShape.empty()) {
EvtPDL::changeLS(thisPart,lineShape);
if ( verbose )
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Change lineshape to " << lineShape << " for " << EvtPDL::name(thisPart).c_str() <<endl;
}
if(blattWeisskopfD != -1) {
EvtPDL::reSetBlatt(thisPart,blattWeisskopfD);
if ( verbose )
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Redefined Blatt-Weisskopf factor "
<< EvtPDL::name(thisPart).c_str() << " to be " << blattWeisskopfD << endl;
}
if(blattWeisskopfB != -1) {
EvtPDL::reSetBlattBirth(thisPart,blattWeisskopfB);
if ( verbose )
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Redefined Blatt-Weisskopf birth factor "
<< EvtPDL::name(thisPart).c_str() << " to be " << blattWeisskopfB << endl;
}
} else if(parser.getTagTitle() == "lineShapePW") {
std::string parent = parser.readAttribute("parent");
std::string daug1 = parser.readAttribute("daug1");
std::string daug2 = parser.readAttribute("daug2");
int pw = parser.readAttributeInt("pw");
checkParticle(parent);
checkParticle(daug1);
checkParticle(daug2);
EvtId thisPart = EvtPDL::getId(parent);
EvtId thisD1 = EvtPDL::getId(daug1);
EvtId thisD2 = EvtPDL::getId(daug2);
EvtPDL::setPWForDecay(thisPart,pw,thisD1,thisD2);
EvtPDL::setPWForBirthL(thisD1,pw,thisPart,thisD2);
EvtPDL::setPWForBirthL(thisD2,pw,thisPart,thisD1);
if ( verbose )
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Redefined Partial wave for " << parent.c_str() << " to "
<< daug1.c_str() << " " << daug2.c_str() << " ("<<pw<<")"<<endl;
} else if(parser.getTagTitle() == "decay") { //start of a particle
brfrSum = 0.;
decayParent = parser.readAttribute("name");
checkParticle(decayParent);
ipar=EvtPDL::getId(decayParent);
if (_decaytable[ipar.getAlias()].getNMode()!=0) {
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Redefined decay of "
<<decayParent.c_str()<<endl;
_decaytable[ipar.getAlias()].removeDecay();
}
} else if(parser.getTagTitle() == "copyDecay") {
std::string particle = parser.readAttribute("particle");
std::string copy = parser.readAttribute("copy");
EvtId newipar=EvtPDL::getId(particle);
EvtId oldipar=EvtPDL::getId(copy);
checkParticle(particle);
checkParticle(copy);
if (_decaytable[newipar.getAlias()].getNMode()!=0) {
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Redefining decay of "
<<particle<<endl;
_decaytable[newipar.getAlias()].removeDecay();
}
_decaytable[newipar.getAlias()] = _decaytable[oldipar.getAlias()];
} else if(parser.getTagTitle() == "removeDecay") {
decayParent = parser.readAttribute("particle");
checkParticle(decayParent);
ipar=EvtPDL::getId(decayParent);
if (_decaytable[ipar.getAlias()].getNMode()==0) {
EvtGenReport(EVTGEN_DEBUG,"EvtGen") << "No decays to delete for "
<< decayParent.c_str() << endl;
} else {
EvtGenReport(EVTGEN_DEBUG,"EvtGen") <<"Deleting selected decays of "
<<decayParent.c_str()<<endl;
}
} else if(parser.getTagTitle() == "pythiaParam") {
Command command;
command["GENERATOR"] = parser.readAttribute("generator");
command["MODULE"] = parser.readAttribute("module");
command["PARAM"] = parser.readAttribute("param");
command["VALUE"] = parser.readAttribute("value");
command["VERSION"] = "PYTHIA8";
extGenCommands->addCommand("PYTHIA", command);
} else if(parser.getTagTitle() == "pythia6Param") {
Command command;
command["GENERATOR"] = parser.readAttribute("generator");
command["MODULE"] = parser.readAttribute("module");
command["PARAM"] = parser.readAttribute("param");
command["VALUE"] = parser.readAttribute("value");
command["VERSION"] = "PYTHIA6";
extGenCommands->addCommand("PYTHIA", command);
} else if(parser.getTagTitle() == "/data") { //end of data
endReached = true;
parser.close();
break;
} else if(parser.getTagTitle() == "Title" || parser.getTagTitle() == "Details"
|| parser.getTagTitle() == "Author" || parser.getTagTitle() == "Version"
//the above tags are expected to be in the XML decay file but are not used by EvtGen
|| parser.getTagTitle() == "dalitzDecay" || parser.getTagTitle() == "copyDalitz") {
//the above tags are only used by EvtGenModels/EvtDalitzTable
} else { EvtGenReport(EVTGEN_INFO,"EvtGen") << "Unknown tag "<<parser.getTagTitle()
<<" found in XML decay file near line "<<parser.getLineNumber()<<". Tag will be ignored."<<endl;
}
//TAGS FOUND UNDER DECAY
} else if(parser.getParentTagTitle() == "decay") {
if(parser.getTagTitle() == "channel") { //start of a channel
int nDaughters = 0;
EvtId daughter[MAX_DAUG];
EvtDecayBase* temp_fcn_new;
std::string temp_fcn_new_model;
std::vector<std::string> temp_fcn_new_args;
double brfr = parser.readAttributeDouble("br");
std::string daugStr = parser.readAttribute("daughters");
std::istringstream daugStream(daugStr);
std::string model = parser.readAttribute("model");
std::string paramStr = parser.readAttribute("params");
std::istringstream paramStream(paramStr);
bool decVerbose = parser.readAttributeBool("verbose");
bool decPhotos = parser.readAttributeBool("photos");
bool decSummary = parser.readAttributeBool("summary");
std::string daugh;
while(std::getline(daugStream, daugh, ' ')) {
checkParticle(daugh);
daughter[nDaughters++] = EvtPDL::getId(daugh);
}
int modelAlias = -1;
for(size_t iAlias=0;iAlias<modelAliasList.size();iAlias++){
if ( modelAliasList[iAlias].matchAlias(model) ) {
modelAlias=iAlias;
break;
}
}
if ( modelAlias==-1 ) {
if(!modelist.isModel(model)){
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<
"Expected to find a model name near line "<<parser.getLineNumber()<<","<<
"found:"<<model.c_str()<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") << "Will terminate execution!"<<endl;
::abort();
}
} else {
model=modelAliasList[modelAlias].getName();
}
temp_fcn_new_model = model;
temp_fcn_new = modelist.getFcn(model);
if(decPhotos) temp_fcn_new->setPHOTOS();
if(decVerbose) temp_fcn_new->setVerbose();
if(decSummary) temp_fcn_new->setSummary();
int ierr;
if(modelAlias == -1) {
std::string param;
if(paramStr == "") {
int i(0);
std::string paramName = temp_fcn_new->getParamName(0);
while(paramName != "") {
param = parser.readAttribute(paramName,temp_fcn_new->getParamDefault(i));
if(param == "") break; //params must be added in order so we can't just skip the missing ones
temp_fcn_new_args.push_back(EvtSymTable::get(param,ierr));
if (ierr) {
EvtGenReport(EVTGEN_ERROR,"EvtGen")
<<"Reading arguments near line "<<parser.getLineNumber()<<" and found:"<<
param.c_str()<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen")
<< "Will terminate execution!"<<endl;
::abort();
}
++i;
paramName = temp_fcn_new->getParamName(i);
}
} else {//if the params are not set seperately
while(std::getline(paramStream, param, ' ')) {
temp_fcn_new_args.push_back(EvtSymTable::get(param,ierr));
if (ierr) {
EvtGenReport(EVTGEN_ERROR,"EvtGen")
<<"Reading arguments near line "<<parser.getLineNumber()<<" and found:"<<
param.c_str()<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen")
<< "Will terminate execution!"<<endl;
::abort();
}
}
}
} else {
std::vector<std::string> copyMe=modelAliasList[modelAlias].getArgList();
temp_fcn_new_args=copyMe;
}
brfrSum+=brfr;
temp_fcn_new->saveDecayInfo(ipar,nDaughters,
daughter,
temp_fcn_new_args.size(),
temp_fcn_new_args,
temp_fcn_new_model,
brfr);
double massMin=0.0;
for (int i=0;i<temp_fcn_new->nRealDaughters();i++){
if ( EvtPDL::getMinMass(daughter[i])>0.0001 ){
massMin+=EvtPDL::getMinMass(daughter[i]);
} else {
massMin+=EvtPDL::getMeanMass(daughter[i]);
}
}
_decaytable[ipar.getAlias()].addMode(temp_fcn_new,brfrSum,massMin);
} else if(parser.getTagTitle() == "/decay") { //end of a particle
_decaytable[ipar.getAlias()].finalize();
} else EvtGenReport(EVTGEN_INFO,"EvtGen") << "Unexpected tag "<<parser.getTagTitle()
<<" found in XML decay file near line "<<parser.getLineNumber()<<". Tag will be ignored."<<endl;
//TAGS FOUND UNDER REMOVEDECAY
} else if(parser.getParentTagTitle() == "removeDecay") {
if(parser.getTagTitle() == "channel") { //start of a channel
int nDaughters = 0;
EvtId daughter[MAX_DAUG];
std::string daugStr = parser.readAttribute("daughters");
std::istringstream daugStream(daugStr);
std::string daugh;
while(std::getline(daugStream, daugh, ' ')) {
checkParticle(daugh);
daughter[nDaughters++] = EvtPDL::getId(daugh);
}
EvtDecayBase* temp_fcn_new = modelist.getFcn("PHSP");
std::vector<std::string> temp_fcn_new_args;
std::string temp_fcn_new_model("PHSP");
temp_fcn_new->saveDecayInfo(ipar, nDaughters,
daughter,
0,
temp_fcn_new_args,
temp_fcn_new_model,
0.);
_decaytable[ipar.getAlias()].removeMode(temp_fcn_new);
} else if(parser.getTagTitle() != "/removeDecay") {
EvtGenReport(EVTGEN_INFO,"EvtGen") << "Unexpected tag "<<parser.getTagTitle()
<<" found in XML decay file near line "<<parser.getLineNumber()<<". Tag will be ignored."<<endl;
}
}
}//while lines in file
if(!endReached) {
EvtGenReport(EVTGEN_INFO,"EvtGen") << "Either the decay file ended prematurely or the file is badly formed.\n"
<<"Error occured near line"<<parser.getLineNumber()<<endl;
::abort();
}
//Now we may need to reset the minimum mass for some particles????
for (size_t ii=0; ii<EvtPDL::entries(); ii++){
EvtId temp(ii,ii);
int nModTot=getNMode(ii);
//no decay modes
if ( nModTot == 0 ) continue;
//0 width?
if ( EvtPDL::getWidth(temp) < 0.0000001 ) continue;
int jj;
double minMass=EvtPDL::getMaxMass(temp);
for (jj=0; jj<nModTot; jj++) {
double tmass=_decaytable[ii].getDecay(jj).getMassMin();
if ( tmass< minMass) minMass=tmass;
}
if ( minMass > EvtPDL::getMinMass(temp) ) {
if ( verbose )
EvtGenReport(EVTGEN_INFO,"EvtGen") << "Given allowed decays, resetting minMass " << EvtPDL::name(temp).c_str() << " "
<< EvtPDL::getMinMass(temp) << " to " << minMass << endl;
EvtPDL::reSetMassMin(temp,minMass);
}
}
}
bool EvtDecayTable::stringToBoolean(std::string valStr) {
return (valStr == "true" || valStr == "1" || valStr == "on" || valStr == "yes");
}
void EvtDecayTable::checkParticle(std::string particle) {
if (EvtPDL::getId(particle)==EvtId(-1,-1)) {
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Unknown particle name:"<<particle.c_str()<<endl;
EvtGenReport(EVTGEN_ERROR,"EvtGen") <<"Will terminate execution!"<<endl;
::abort();
}
}
EvtDecayBase* EvtDecayTable::findDecayModel(EvtId id, int modeInt) {
int aliasInt = id.getAlias();
EvtDecayBase* theModel = this->findDecayModel(aliasInt, modeInt);
return theModel;
}
EvtDecayBase* EvtDecayTable::findDecayModel(int aliasInt, int modeInt) {
EvtDecayBase* theModel(0);
if (aliasInt >= 0 && aliasInt < (int) EvtPDL::entries()) {
theModel = _decaytable[aliasInt].getDecayModel(modeInt);
}
return theModel;
}
bool EvtDecayTable::hasPythia(EvtId id) {
bool hasPythia = this->hasPythia(id.getAlias());
return hasPythia;
}
bool EvtDecayTable::hasPythia(int aliasInt) {
bool hasPythia(false);
if (aliasInt >= 0 && aliasInt < (int) EvtPDL::entries()) {
hasPythia = _decaytable[aliasInt].isJetSet();
}
return hasPythia;
}
int EvtDecayTable::getNModes(EvtId id) {
int nModes = this->getNModes(id.getAlias());
return nModes;
}
int EvtDecayTable::getNModes(int aliasInt) {
int nModes(0);
if (aliasInt >= 0 && aliasInt < (int) EvtPDL::entries()) {
nModes = _decaytable[aliasInt].getNMode();
}
return nModes;
}
int EvtDecayTable::findChannel(EvtId parent, std::string model,
int ndaug, EvtId *daugs,
int narg, std::string *args){
int i,j,right;
EvtId daugs_scratch[50];
int nmatch,k;
for(i=0;i<_decaytable[parent.getAlias()].getNMode();i++){
right=1;
right=right&&model==_decaytable[parent.getAlias()].
getDecay(i).getDecayModel()->getModelName();
right=right&&(ndaug==_decaytable[parent.getAlias()].
getDecay(i).getDecayModel()->getNDaug());
right=right&&(narg==_decaytable[parent.getAlias()].
getDecay(i).getDecayModel()->getNArg());
if ( right ){
for(j=0;j<ndaug;j++){
daugs_scratch[j]=daugs[j];
}
nmatch=0;
for(j=0;j<_decaytable[parent.getAlias()].
getDecay(i).getDecayModel()->getNDaug();j++){
for(k=0;k<ndaug;k++){
if (daugs_scratch[k]==_decaytable[parent.getAlias()].
getDecay(i).getDecayModel()->getDaug(j)){
daugs_scratch[k]=EvtId(-1,-1);
nmatch++;
break;
}
}
}
right=right&&(nmatch==ndaug);
for(j=0;j<_decaytable[parent.getAlias()].
getDecay(i).getDecayModel()->getNArg();j++){
right=right&&(args[j]==_decaytable[parent.getAlias()].
getDecay(i).getDecayModel()->getArgStr(j));
}
}
if (right) return i;
}
return -1;
}
int EvtDecayTable::inChannelList(EvtId parent, int ndaug, EvtId *daugs){
int i,j,k;
EvtId daugs_scratch[MAX_DAUG];
int dsum=0;
for(i=0;i<ndaug;i++){
dsum+=daugs[i].getAlias();
}
int nmatch;
int ipar=parent.getAlias();
int nmode=_decaytable[ipar].getNMode();
for(i=0;i<nmode;i++){
EvtDecayBase* thedecaymodel=_decaytable[ipar].getDecay(i).getDecayModel();
if (thedecaymodel->getDSum()==dsum){
int nd=thedecaymodel->getNDaug();
if (ndaug==nd){
for(j=0;j<ndaug;j++){
daugs_scratch[j]=daugs[j];
}
nmatch=0;
for(j=0;j<nd;j++){
for(k=0;k<ndaug;k++){
if (EvtId(daugs_scratch[k])==thedecaymodel->getDaug(j)){
daugs_scratch[k]=EvtId(-1,-1);
nmatch++;
break;
}
}
}
if ((nmatch==ndaug)&&
(!
((thedecaymodel->getModelName()=="JETSET")||
(thedecaymodel->getModelName()=="PYTHIA")))){
return i;
}
}
}
}
return -1;
}
std::vector<std::string> EvtDecayTable::splitString(std::string& theString,
std::string& splitter) {
// Code from STLplus
std::vector<std::string> result;
if (!theString.empty() && !splitter.empty()) {
for (std::string::size_type offset = 0;;) {
std::string::size_type found = theString.find(splitter, offset);
if (found != std::string::npos) {
std::string tmpString = theString.substr(offset, found-offset);
if (tmpString.size() > 0) {result.push_back(tmpString);}
offset = found + splitter.size();
} else {
std::string tmpString = theString.substr(offset, theString.size()-offset);
if (tmpString.size() > 0) {result.push_back(tmpString);}
break;
}
}
}
return result;
}

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