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diff --git a/src/Analyses/H1_2000_S4129130.cc b/src/Analyses/H1_2000_S4129130.cc
--- a/src/Analyses/H1_2000_S4129130.cc
+++ b/src/Analyses/H1_2000_S4129130.cc
@@ -1,271 +1,271 @@
// -*- C++ -*-
#include "Rivet/Analysis.hh"
#include "Rivet/Math/Constants.hh"
#include "Rivet/Projections/FinalState.hh"
#include "Rivet/Projections/DISKinematics.hh"
namespace Rivet {
/// @brief H1 energy flow and charged particle spectra
/// @author Peter Richardson
/// Based on the HZTOOL analysis HZ99091
class H1_2000_S4129130 : public Analysis {
public:
/// Constructor
H1_2000_S4129130()
: Analysis("H1_2000_S4129130")
{ }
/// @name Analysis methods
//@{
void analyze(const Event& event) {
// Get the projections
const FinalState & fs = applyProjection<FinalState>(event, "FS");
const DISKinematics& dk = applyProjection<DISKinematics>(event, "Kinematics");
const DISLepton & dl = applyProjection<DISLepton>(event,"Lepton");
// Get the DIS kinematics
double q2 = dk.Q2();
double x = dk.x();
double y = dk.y();
double w2 = dk.W2();
// Momentum of the scattered lepton
FourMomentum leptonMom = dl.out().momentum();
// pT energy and angle
double enel = leptonMom.E();
double thel = 180 - leptonMom.angle(dl.in().momentum())/degree;
// Extract the particles other than the lepton
Particles particles;
particles.reserve(fs.particles().size());
const GenParticle* dislepGP = dl.out().genParticle();
foreach (const Particle& p, fs.particles()) {
const GenParticle* loopGP = p.genParticle();
if (loopGP == dislepGP) continue;
particles.push_back(p);
}
// Cut on the forward energy
double efwd = 0.;
foreach (const Particle& p, particles) {
double th = 180.-p.angle(dl.in().momentum())/degree;
if (th > 4.4 && th < 15.0) efwd += p.E();
}
// There are four possible selections for events
bool evcut[4];
// Low Q2 selection a
evcut[0] = enel/GeV > 12. && w2 >= 4400.*GeV2 && efwd/GeV > 0.5 && inRange(thel,157.,176.);
// Low Q2 selection b
evcut[1] = enel/GeV > 12. && inRange(y,0.3,0.5);
// High Q2 selection a
evcut[2] = inRange(thel,12.,150.) && inRange(y,0.05,0.6) && w2 >= 4400.*GeV2 && efwd > 0.5;
// High Q2 selection b
evcut[3] = inRange(thel,12.,150.) && inRange(y,0.05,0.6) && inRange(w2,27110.*GeV2,45182.*GeV2);
// Veto if fails all cuts
if (! (evcut[0] || evcut[1] || evcut[2] || evcut[3]) ) {
vetoEvent;
}
// Find the bins
int bin[4] = {-1,-1,-1,-1};
// For the low Q2 selection a)
if (q2 > 2.5*GeV && q2 <= 5.*GeV) {
if (x > 0.00005 && x <= 0.0001 ) bin[0] = 0;
if (x > 0.0001 && x <= 0.0002 ) bin[0] = 1;
if (x > 0.0002 && x <= 0.00035) bin[0] = 2;
if (x > 0.00035 && x <= 0.0010 ) bin[0] = 3;
}
else if (q2 > 5.*GeV && q2 <= 10.*GeV) {
if (x > 0.0001 && x <= 0.0002 ) bin[0] = 4;
if (x > 0.0002 && x <= 0.00035) bin[0] = 5;
if (x > 0.00035 && x <= 0.0007 ) bin[0] = 6;
if (x > 0.0007 && x <= 0.0020 ) bin[0] = 7;
}
else if (q2 > 10.*GeV && q2 <= 20.*GeV) {
if (x > 0.0002 && x <= 0.0005) bin[0] = 8;
if (x > 0.0005 && x <= 0.0008) bin[0] = 9;
if (x > 0.0008 && x <= 0.0015) bin[0] = 10;
if (x > 0.0015 && x <= 0.040 ) bin[0] = 11;
}
else if (q2 > 20.*GeV && q2 <= 50.*GeV) {
if (x > 0.0005 && x <= 0.0014) bin[0] = 12;
if (x > 0.0014 && x <= 0.0030) bin[0] = 13;
if (x > 0.0030 && x <= 0.0100) bin[0] = 14;
}
else if (q2 > 50.*GeV && q2 <= 100.*GeV) {
if (x >0.0008 && x <= 0.0030) bin[0] = 15;
if (x >0.0030 && x <= 0.0200) bin[0] = 16;
}
// check in one of the bins
evcut[0] &= bin[0] >= 0;
// For the low Q2 selection b)
if (q2 > 2.5*GeV && q2 <= 5. *GeV) bin[1] = 0;
if (q2 > 5. *GeV && q2 <= 10. *GeV) bin[1] = 1;
if (q2 > 10.*GeV && q2 <= 20. *GeV) bin[1] = 2;
if (q2 > 20.*GeV && q2 <= 50. *GeV) bin[1] = 3;
if (q2 > 50.*GeV && q2 <= 100.*GeV) bin[1] = 4;
// check in one of the bins
evcut[1] &= bin[1] >= 0;
// for the high Q2 selection a)
if (q2 > 100.*GeV && q2 <= 400.*GeV) {
if (x > 0.00251 && x <= 0.00631) bin[2] = 0;
if (x > 0.00631 && x <= 0.0158 ) bin[2] = 1;
if (x > 0.0158 && x <= 0.0398 ) bin[2] = 2;
}
else if (q2 > 400.*GeV && q2 <= 1100.*GeV) {
if (x > 0.00631 && x <= 0.0158 ) bin[2] = 3;
if (x > 0.0158 && x <= 0.0398 ) bin[2] = 4;
if (x > 0.0398 && x <= 1. ) bin[2] = 5;
}
else if (q2 > 1100.*GeV && q2 <= 100000.*GeV) {
if (x > 0. && x <= 1.) bin[2] = 6;
}
// check in one of the bins
evcut[2] &= bin[2] >= 0;
// for the high Q2 selection b)
if (q2 > 100.*GeV && q2 <= 220.*GeV) bin[3] = 0;
else if (q2 > 220.*GeV && q2 <= 400.*GeV) bin[3] = 1;
else if (q2 > 400. ) bin[3] = 2;
// check in one of*GeV the bins
evcut[3] &= bin[3] >= 0;
// Veto if fails all cuts after bin selection
if (! (evcut[0] || evcut[1] || evcut[2] || evcut[3])) {
vetoEvent;
}
// Increment the count for normalisation
const double weight = event.weight();
if (evcut[0]) _weightETLowQa [bin[0]] += weight;
if (evcut[1]) _weightETLowQb [bin[1]] += weight;
if (evcut[2]) _weightETHighQa[bin[2]] += weight;
if (evcut[3]) _weightETHighQb[bin[3]] += weight;
// Boost to hadronicCM
const LorentzTransform hcmboost = dk.boostHCM();
// Loop over the particles
double etcent = 0;
double etfrag = 0;
foreach (const Particle& p, particles) {
// Boost momentum to CMS
const FourMomentum hcmMom = hcmboost.transform(p.momentum());
double et = fabs(hcmMom.Et());
double eta = hcmMom.eta();
// Averages in central and forward region
if (fabs(eta) < .5 ) etcent += et;
if (eta > 2 && eta <= 3.) etfrag += et;
// Histograms of Et flow
if (evcut[0]) _histETLowQa [bin[0]]->fill(eta, et*weight);
if (evcut[1]) _histETLowQb [bin[1]]->fill(eta, et*weight);
if (evcut[2]) _histETHighQa[bin[2]]->fill(eta, et*weight);
if (evcut[3]) _histETHighQb[bin[3]]->fill(eta, et*weight);
}
// Fill histograms for the average quantities
if (evcut[1] || evcut[3]) {
- _histAverETCentral->fill(q2, etcent*weight,weight);
- _histAverETFrag ->fill(q2, etfrag*weight,weight);
+ _histAverETCentral->fill(q2, etcent, weight);
+ _histAverETFrag ->fill(q2, etfrag, weight);
}
}
void init() {
// Projections
addProjection(DISLepton(), "Lepton");
addProjection(DISKinematics(), "Kinematics");
addProjection(FinalState(), "FS");
// Histos
Histo1DPtr h;
// Histograms and weight vectors for low Q^2 a
_histETLowQa.reserve(17);
_weightETLowQa.reserve(17);
for (size_t ix = 0; ix < 17; ++ix) {
h = bookHisto1D(ix+1, 1, 1);
_histETLowQa.push_back(h);
_weightETLowQa.push_back(0.);
}
// Histograms and weight vectors for high Q^2 a
_histETHighQa.reserve(7);
_weightETHighQa.reserve(7);
for (size_t ix = 0; ix < 7; ++ix) {
h = bookHisto1D(ix+18, 1, 1);
_histETHighQa.push_back(h);
_weightETHighQa.push_back(0.);
}
// Histograms and weight vectors for low Q^2 b
_histETLowQb.reserve(5);
_weightETLowQb.reserve(5);
for (size_t ix = 0; ix < 5; ++ix) {
h = bookHisto1D(ix+25, 1, 1);
_histETLowQb.push_back(h);
_weightETLowQb.push_back(0.);
}
// Histograms and weight vectors for high Q^2 b
_histETHighQb.reserve(3);
_weightETHighQb.reserve(3);
for (size_t ix = 0; ix < 3; ++ix) {
h = bookHisto1D(30+ix, 1, 1);
_histETHighQb.push_back(h);
_weightETHighQb.push_back(0.0);
}
// Histograms for the averages
_histAverETCentral = bookProfile1D(33, 1, 1);
_histAverETFrag = bookProfile1D(34, 1, 1);
}
// Finalize
void finalize() {
// Normalization of the Et distributions
/// @todo Simplify by using normalize() instead? Are all these being normalized to area=1?
for (size_t ix = 0; ix < 17; ++ix) if (_weightETLowQa[ix] != 0) scale(_histETLowQa[ix], 1/_weightETLowQa[ix]);
for (size_t ix = 0; ix < 7; ++ix) if (_weightETHighQa[ix] != 0) scale(_histETHighQa[ix], 1/_weightETHighQa[ix]);
for (size_t ix = 0; ix < 5; ++ix) if (_weightETLowQb[ix] != 0) scale(_histETLowQb[ix], 1/_weightETLowQb[ix]);
for (size_t ix = 0; ix < 3; ++ix) if (_weightETHighQb[ix] != 0) scale(_histETHighQb[ix], 1/_weightETHighQb[ix]);
}
//@}
private:
/// @name Histograms
//@{
vector<Histo1DPtr> _histETLowQa;
vector<Histo1DPtr> _histETHighQa;
vector<Histo1DPtr> _histETLowQb;
vector<Histo1DPtr> _histETHighQb;
Profile1DPtr _histAverETCentral;
Profile1DPtr _histAverETFrag;
//@}
/// @name storage of weights for normalisation
//@{
vector<double> _weightETLowQa;
vector<double> _weightETHighQa;
vector<double> _weightETLowQb;
vector<double> _weightETHighQb;
//@}
};
// The hook for the plugin system
DECLARE_RIVET_PLUGIN(H1_2000_S4129130);
}

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