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| // -*- C++ -*-
#include "Rivet/Analysis.hh"
#include "Rivet/Projections/FinalState.hh"
#include "Rivet/Projections/FastJets.hh"
#include "Rivet/Projections/DISKinematics.hh"
#include "Rivet/Projections/Beam.hh"
namespace Rivet {
/// @brief Measurement of sigma_red (F2) of H1 and ZEUS at different beam energies
class HERA_2015_I1377206 : public Analysis {
public:
/// Constructor
RIVET_DEFAULT_ANALYSIS_CTOR(HERA_2015_I1377206);
/// @name Analysis methods
//@{
/// Book histograms and initialise projections before the run
void init() {
// Initialise and register projections
declare(FinalState(Cuts::abseta < 5 && Cuts::pT > 100*MeV), "FS");
declare(DISLepton(), "Lepton");
declare(DISKinematics(), "Kinematics");
Histo1DPtr dummy;
string beamOpt = getOption<string>("BEAM","NONE");
if (beamOpt == "NONE") {
const ParticlePair& beam = beams();
// cout << " beam id "<< beam.first.pid() << " " << beam.second.pid() << " sqrts " << sqrtS() << endl;
if( beam.first.pid() == PID::POSITRON || beam.second.pid() == PID::POSITRON ) {
positron = true ;
}
else {
positron = false ;
}
}
else {
if( beamOpt == "EMINUS" )
positron = false;
else if( beamOpt == "EPLUS" )
positron = true;
else {
MSG_ERROR("Beam option error. You have specified an unsupported beam.");
return;
}
}
double eps = 0.01 ;
// NC e+ p at sqrts=318
if (isCompatibleWithSqrtS(318., eps) && positron ) {
// cout << " NC e+ p sqrts = " << sqrtS() << endl ;
_h_sigred.add( 0.1, 0.15, book(dummy,1,1,1)); // Q2=0.15
_h_sigred.add( 0.15, 0.2, book(dummy,1,1,2)); // Q2=0.2
_h_sigred.add( 0.2, 0.3, book(dummy,1,1,3)); // Q2=0.25
_h_sigred.add( 0.3, 0.4, book(dummy,1,1,4)); // Q2=0.35
_h_sigred.add( 0.4, 0.45, book(dummy,1,1,5)); // Q2=0.4
_h_sigred.add( 0.45, 0.6, book(dummy,1,1,6)); // Q2=0.5
_h_sigred.add( 0.6, 0.7, book(dummy,1,1,7)); // Q2=0.65
_h_sigred.add( 0.7, 1.0, book(dummy,1,1,8)); // Q2=0.85
_h_sigred.add( 1.1, 1.3, book(dummy,1,1,9)); // Q2=1.2
_h_sigred.add( 1.3, 1.7, book(dummy,1,1,10)); // Q2=1.5
_h_sigred.add( 1.7, 2.3, book(dummy,1,1,11)); // Q2=2
_h_sigred.add( 2.3, 3.1, book(dummy,1,1,12)); // Q2=2.7
_h_sigred.add( 3.1, 3.8, book(dummy,1,1,13)); // Q2=3.5
_h_sigred.add( 3.8, 5.3, book(dummy,1,1,14)); // Q2=4.5
_h_sigred.add( 5.3, 8.0, book(dummy,1,1,15)); // Q2=6.5
_h_sigred.add( 8.0, 9.1, book(dummy,1,1,16)); // Q2=8.5
_h_sigred.add( 9.1, 11., book(dummy,1,1,17)); // Q2=10
_h_sigred.add( 11., 13., book(dummy,1,1,18)); // Q2=12
_h_sigred.add( 13., 17.4, book(dummy,1,1,19)); // Q2=15
_h_sigred.add( 17.4, 19.1, book(dummy,1,1,20)); // Q2=18
_h_sigred.add( 19.1, 25.8, book(dummy,1,1,21)); // Q2=22
_h_sigred.add( 25.8, 28., book(dummy,1,1,22)); // Q2=27
_h_sigred.add( 30., 42., book(dummy,1,1,23)); // Q2=35
_h_sigred.add( 42., 49., book(dummy,1,1,24)); // Q2=45
_h_sigred.add( 54., 65., book(dummy,1,1,25)); // Q2=60
_h_sigred.add( 65., 75., book(dummy,1,1,26)); // Q2=70
_h_sigred.add( 75., 108., book(dummy,1,1,27)); // Q2=90
_h_sigred.add( 108., 134., book(dummy,1,1,28)); // Q2=120
_h_sigred.add( 134., 180., book(dummy,1,1,29)); // Q2=150
_h_sigred.add( 180., 225., book(dummy,1,1,30)); // Q2=200
_h_sigred.add( 225., 280., book(dummy,1,1,31)); // Q2=250
_h_sigred.add( 280., 325., book(dummy,1,1,32)); // Q2=300
_h_sigred.add( 355., 455., book(dummy,1,1,33)); // Q2=400
_h_sigred.add( 460., 545., book(dummy,1,1,34)); // Q2=500
_h_sigred.add( 560., 765., book(dummy,1,1,35)); // Q2=650
_h_sigred.add( 770., 835., book(dummy,1,1,36)); // Q2=800
_h_sigred.add( 900., 1120., book(dummy,1,1,37)); // Q2=1000
_h_sigred.add( 1120., 1295., book(dummy,1,1,38)); // Q2=1200
_h_sigred.add( 1300., 1755., book(dummy,1,1,39)); // Q2=1500
_h_sigred.add( 1800., 2270., book(dummy,1,1,40)); // Q2=2000
_h_sigred.add( 2500., 3685., book(dummy,1,1,41)); // Q2=3000
_h_sigred.add( 4000., 6520., book(dummy,1,1,42)); // Q2=5000
_h_sigred.add( 7000., 9275., book(dummy,1,1,43)); // Q2=8000
_h_sigred.add( 10000.,15000., book(dummy,1,1,44)); // Q2=12000
_h_sigred.add( 17000.,24770., book(dummy,1,1,45)); // Q2=20000
_h_sigred.add( 25000.,42000., book(dummy,1,1,46)); // Q2=30000
// CC e+ p at sqrts=318
// cout << " CC e+ p sqrts = " << sqrtS() << endl ;
_h_sigred_cc.add( 280., 325., book(dummy,6,1,1)); // Q2=300
_h_sigred_cc.add( 460., 545., book(dummy,6,1,2)); // Q2=500
_h_sigred_cc.add( 900., 1120., book(dummy,6,1,3)); // Q2=1000
_h_sigred_cc.add( 1300., 1755., book(dummy,6,1,4)); // Q2=1500
_h_sigred_cc.add( 1800., 2270., book(dummy,6,1,5)); // Q2=2000
_h_sigred_cc.add( 2500., 3685., book(dummy,6,1,6)); // Q2=3000
_h_sigred_cc.add( 4000., 6520., book(dummy,6,1,7)); // Q2=5000
_h_sigred_cc.add( 7000., 9275., book(dummy,6,1,8)); // Q2=8000
_h_sigred_cc.add( 10000.,20000., book(dummy,6,1,9)); // Q2=15000
_h_sigred_cc.add( 20000.,42000., book(dummy,6,1,10)); // Q2=30000
}
// NC e+ p at sqrts=300
else if (isCompatibleWithSqrtS(300., eps) && positron ) {
// cout << " NC e+ p sqrts = " << sqrtS() << endl ;
_h_sigred.add( 0.01, 0.05, book(dummy,2,1,1)); // Q2=0.045
_h_sigred.add( 0.05, 0.07, book(dummy,2,1,2)); // Q2=0.065
_h_sigred.add( 0.07, 0.09, book(dummy,2,1,3)); // Q2=0.085
_h_sigred.add( 0.09, 0.12, book(dummy,2,1,4)); // Q2=0.11
_h_sigred.add( 0.12, 0.18, book(dummy,2,1,5)); // Q2=0.15
_h_sigred.add( 0.18, 0.22, book(dummy,2,1,6)); // Q2=0.2
_h_sigred.add( 0.22, 0.32, book(dummy,2,1,7)); // Q2=0.25
_h_sigred.add( 0.32, 0.4, book(dummy,2,1,8)); // Q2=0.35
_h_sigred.add( 0.4, 0.45, book(dummy,2,1,9)); // Q2=0.4
_h_sigred.add( 0.45, 0.6, book(dummy,2,1,10)); // Q2=0.5
_h_sigred.add( 0.6, 0.7, book(dummy,2,1,11)); // Q2=0.65
_h_sigred.add( 0.7, 1.0, book(dummy,2,1,12)); // Q2=0.85
_h_sigred.add( 1.1, 1.3, book(dummy,2,1,13)); // Q2=1.2
_h_sigred.add( 1.3, 1.7, book(dummy,2,1,14)); // Q2=1.5
_h_sigred.add( 1.7, 2.3, book(dummy,2,1,15)); // Q2=2
_h_sigred.add( 2.3, 3.1, book(dummy,2,1,16)); // Q2=2.7
_h_sigred.add( 3.1, 3.8, book(dummy,2,1,17)); // Q2=3.5
_h_sigred.add( 3.8, 5.3, book(dummy,2,1,18)); // Q2=4.5
_h_sigred.add( 5.3, 8.0, book(dummy,2,1,19)); // Q2=6.5
_h_sigred.add( 8.0, 9.1, book(dummy,2,1,20)); // Q2=8.5
_h_sigred.add( 9.1, 11., book(dummy,2,1,21)); // Q2=10
_h_sigred.add( 11., 13., book(dummy,2,1,22)); // Q2=12
_h_sigred.add( 13., 17.4, book(dummy,2,1,23)); // Q2=15
_h_sigred.add( 17.4, 19.1, book(dummy,2,1,24)); // Q2=18
_h_sigred.add( 19.1, 25.8, book(dummy,2,1,25)); // Q2=22
_h_sigred.add( 25.8, 28., book(dummy,2,1,26)); // Q2=27
_h_sigred.add( 30., 42., book(dummy,2,1,27)); // Q2=35
_h_sigred.add( 42., 49., book(dummy,2,1,28)); // Q2=45
_h_sigred.add( 54., 65., book(dummy,2,1,29)); // Q2=60
_h_sigred.add( 65., 75., book(dummy,2,1,30)); // Q2=70
_h_sigred.add( 75., 108., book(dummy,2,1,31)); // Q2=90
_h_sigred.add( 108., 134., book(dummy,2,1,32)); // Q2=120
_h_sigred.add( 134., 180., book(dummy,2,1,33)); // Q2=150
_h_sigred.add( 180., 225., book(dummy,2,1,34)); // Q2=200
_h_sigred.add( 225., 280., book(dummy,2,1,35)); // Q2=250
_h_sigred.add( 280., 325., book(dummy,2,1,36)); // Q2=300
_h_sigred.add( 355., 455., book(dummy,2,1,37)); // Q2=400
_h_sigred.add( 460., 545., book(dummy,2,1,38)); // Q2=500
_h_sigred.add( 560., 765., book(dummy,2,1,39)); // Q2=650
_h_sigred.add( 770., 835., book(dummy,2,1,40)); // Q2=800
_h_sigred.add( 900., 1120., book(dummy,2,1,41)); // Q2=1000
_h_sigred.add( 1120., 1295., book(dummy,2,1,42)); // Q2=1200
_h_sigred.add( 1300., 1755., book(dummy,2,1,43)); // Q2=1500
_h_sigred.add( 1800., 2270., book(dummy,2,1,44)); // Q2=2000
_h_sigred.add( 2500., 3685., book(dummy,2,1,45)); // Q2=3000
_h_sigred.add( 4000., 6520., book(dummy,2,1,46)); // Q2=5000
_h_sigred.add( 7000., 9275., book(dummy,2,1,47)); // Q2=8000
_h_sigred.add( 10000.,15000., book(dummy,2,1,48)); // Q2=12000
_h_sigred.add( 17000.,24770., book(dummy,2,1,49)); // Q2=20000
_h_sigred.add( 25000.,42000., book(dummy,2,1,50)); // Q2=30000
}
else if (isCompatibleWithSqrtS(251., eps) && positron ) {
// NC e+ p at sqrts=251
// cout << " NC e+ p sqrts = " << sqrtS() << endl ;
_h_sigred.add( 1.0, 1.7, book(dummy,3,1,1)); // Q2=1.5
_h_sigred.add( 1.7, 2.3, book(dummy,3,1,2)); // Q2=2
_h_sigred.add( 2.3, 3.1, book(dummy,3,1,3)); // Q2=2.5
_h_sigred.add( 3.1, 3.8, book(dummy,3,1,4)); // Q2=3.5
_h_sigred.add( 3.8, 5.3, book(dummy,3,1,5)); // Q2=5
_h_sigred.add( 5.3, 8.0, book(dummy,3,1,6)); // Q2=6.5
_h_sigred.add( 8.0, 9.1, book(dummy,3,1,7)); // Q2=8.5
_h_sigred.add( 11., 13., book(dummy,3,1,8)); // Q2=12
_h_sigred.add( 13., 17.4, book(dummy,3,1,9)); // Q2=15
_h_sigred.add( 17.4, 22.1, book(dummy,3,1,10)); // Q2=20
_h_sigred.add( 22.1, 28. , book(dummy,3,1,11)); // Q2=25
_h_sigred.add( 30., 42., book(dummy,3,1,12)); // Q2=35
_h_sigred.add( 42., 49., book(dummy,3,1,13)); // Q2=45
_h_sigred.add( 54., 65., book(dummy,3,1,14)); // Q2=60
_h_sigred.add( 75., 108., book(dummy,3,1,15)); // Q2=90
_h_sigred.add( 108., 134., book(dummy,3,1,16)); // Q2=120
_h_sigred.add( 134., 180., book(dummy,3,1,17)); // Q2=150
_h_sigred.add( 180., 225., book(dummy,3,1,18)); // Q2=200
_h_sigred.add( 225., 280., book(dummy,3,1,19)); // Q2=250
_h_sigred.add( 280., 325., book(dummy,3,1,20)); // Q2=300
_h_sigred.add( 355., 455., book(dummy,3,1,21)); // Q2=400
_h_sigred.add( 460., 545., book(dummy,3,1,22)); // Q2=500
_h_sigred.add( 560., 765., book(dummy,3,1,23)); // Q2=650
_h_sigred.add( 770., 835., book(dummy,3,1,24)); // Q2=800
}
else if (isCompatibleWithSqrtS(225., eps) && positron ) {
// NC e+ p at sqrts=225
// cout << " NC e+ p sqrts = " << sqrtS() << endl ;
_h_sigred.add( 1.0, 1.7, book(dummy,4,1,1)); // Q2=1.5
_h_sigred.add( 1.7, 2.3, book(dummy,4,1,2)); // Q2=2
_h_sigred.add( 2.3, 3.1, book(dummy,4,1,3)); // Q2=2.5
_h_sigred.add( 3.1, 3.8, book(dummy,4,1,4)); // Q2=3.5
_h_sigred.add( 3.8, 5.3, book(dummy,4,1,5)); // Q2=5
_h_sigred.add( 5.3, 8.0, book(dummy,4,1,6)); // Q2=6.5
_h_sigred.add( 8.0, 9.1, book(dummy,4,1,7)); // Q2=8.5
_h_sigred.add( 11., 13., book(dummy,4,1,8)); // Q2=12
_h_sigred.add( 13., 17.4, book(dummy,4,1,9)); // Q2=15
_h_sigred.add( 17.4, 22.1, book(dummy,4,1,10)); // Q2=20
_h_sigred.add( 22.1, 28. , book(dummy,4,1,11)); // Q2=25
_h_sigred.add( 30., 42., book(dummy,4,1,12)); // Q2=35
_h_sigred.add( 42., 49., book(dummy,4,1,13)); // Q2=45
_h_sigred.add( 54., 65., book(dummy,4,1,14)); // Q2=60
_h_sigred.add( 75., 108., book(dummy,4,1,15)); // Q2=90
_h_sigred.add( 108., 134., book(dummy,4,1,16)); // Q2=120
_h_sigred.add( 134., 180., book(dummy,4,1,17)); // Q2=150
_h_sigred.add( 180., 225., book(dummy,4,1,18)); // Q2=200
_h_sigred.add( 225., 280., book(dummy,4,1,19)); // Q2=250
_h_sigred.add( 280., 325., book(dummy,4,1,20)); // Q2=300
_h_sigred.add( 355., 455., book(dummy,4,1,21)); // Q2=400
_h_sigred.add( 460., 545., book(dummy,4,1,22)); // Q2=500
_h_sigred.add( 560., 765., book(dummy,4,1,23)); // Q2=650
_h_sigred.add( 770., 835., book(dummy,4,1,24)); // Q2=800
}
else if (isCompatibleWithSqrtS(225., eps) && positron ) {
// NC e- p at sqrts=318
// cout << " NC e- p sqrts = " << sqrtS() << endl ;
_h_sigred.add( 54., 65., book(dummy,5,1,1)); // Q2=60
_h_sigred.add( 75., 108., book(dummy,5,1,2)); // Q2=90
_h_sigred.add( 108., 134., book(dummy,5,1,3)); // Q2=120
_h_sigred.add( 134., 180., book(dummy,5,1,4)); // Q2=150
_h_sigred.add( 180., 225., book(dummy,5,1,5)); // Q2=200
_h_sigred.add( 225., 280., book(dummy,5,1,6)); // Q2=250
_h_sigred.add( 280., 325., book(dummy,5,1,7)); // Q2=300
_h_sigred.add( 355., 455., book(dummy,5,1,8)); // Q2=400
_h_sigred.add( 460., 545., book(dummy,5,1,9)); // Q2=500
_h_sigred.add( 560., 765., book(dummy,5,1,10)); // Q2=650
_h_sigred.add( 770., 835., book(dummy,5,1,11)); // Q2=800
_h_sigred.add( 900., 1120., book(dummy,5,1,12)); // Q2=1000
_h_sigred.add( 1120., 1295., book(dummy,5,1,13)); // Q2=1200
_h_sigred.add( 1300., 1755., book(dummy,5,1,14)); // Q2=1500
_h_sigred.add( 1800., 2270., book(dummy,5,1,15)); // Q2=2000
_h_sigred.add( 2500., 3685., book(dummy,5,1,16)); // Q2=3000
_h_sigred.add( 4000., 6520., book(dummy,5,1,17)); // Q2=5000
_h_sigred.add( 7000., 9275., book(dummy,5,1,18)); // Q2=8000
_h_sigred.add( 10000.,15000., book(dummy,5,1,19)); // Q2=12000
_h_sigred.add( 17000.,24770., book(dummy,5,1,20)); // Q2=20000
_h_sigred.add( 25000.,42000., book(dummy,5,1,21)); // Q2=30000
_h_sigred.add( 42000.,70000., book(dummy,5,1,22)); // Q2=50000
// CC e- p at sqrts=318
// cout << " CC e- p sqrts = " << sqrtS() << endl ;
_h_sigred_cc.add( 280., 325., book(dummy,7,1,1)); // Q2=300
_h_sigred_cc.add( 460., 545., book(dummy,7,1,2)); // Q2=500
_h_sigred_cc.add( 900., 1120., book(dummy,7,1,3)); // Q2=1000
_h_sigred_cc.add( 1300., 1755., book(dummy,7,1,4)); // Q2=1500
_h_sigred_cc.add( 1800., 2270., book(dummy,7,1,5)); // Q2=2000
_h_sigred_cc.add( 2500., 3685., book(dummy,7,1,6)); // Q2=3000
_h_sigred_cc.add( 4000., 6520., book(dummy,7,1,7)); // Q2=5000
_h_sigred_cc.add( 7000., 9275., book(dummy,7,1,8)); // Q2=8000
_h_sigred_cc.add( 10000.,20000., book(dummy,7,1,9)); // Q2=15000
_h_sigred_cc.add( 20000.,42000., book(dummy,7,1,10)); // Q2=30000
}
/*
book(_hist_Q2_10, "Q2_10",100,1., 11.0);
book(_hist_Q2_100, "Q2_100",100,10., 100.0);
book(_hist_Q2_1000, "Q2_1000",100,100., 1000.0);
book(_hist_Q2_2000, "Q2_2000",100,800., 5000.0);
book(_hist_Q2_3000, "Q2_3000",100,3000., 10000.0);
*/
}
void analyze(const Event& event) {
/// @todo Do the event by event analysis here
const DISKinematics& dk = applyProjection<DISKinematics>(event, "Kinematics");
const DISLepton& dl = applyProjection<DISLepton>(event,"Lepton");
// Get the DIS kinematics
double x = dk.x();
double y = dk.y();
double Q2 = dk.Q2()/GeV;
// Flux factor
const double alpha = 7.29927e-3;
// GF = 1.16638e-5 Fermi constant
const double GF2 = 1.16638e-5*1.16638e-5;
// MW = 80.385 W-boson mass
const double MW2 = 80.385 * 80.385;
/*
_hist_Q2_10-> fill(Q2) ;
_hist_Q2_100-> fill(Q2) ;
_hist_Q2_1000-> fill(Q2) ;
_hist_Q2_2000-> fill(Q2) ;
_hist_Q2_3000-> fill(Q2) ;
*/
if (PID::isNeutrino(dl.out().abspid()) ) {
// fill histo for CC
double F = 2.0*M_PI*x/GF2 * pow((MW2 + Q2)/MW2,2);
_h_sigred_cc.fill(Q2,x,F); // fill histogram x,Q2
}
else {
// fill histo for NC
double F = x*pow(Q2,2.)/(2.0*M_PI*pow(alpha,2.)*(1.0+pow((1.-y),2.)));
_h_sigred.fill(Q2,x,F); // fill histogram x,Q2
}
}
/// Normalise histograms etc., after the run
void finalize() {
const double gev2nb =0.389e6;
const double scalefactor=crossSection()/nanobarn/sumOfWeights()/gev2nb ;
// with _h_sigred.scale also q2 bin width is scaled
_h_sigred.scale(scalefactor, this);
_h_sigred_cc.scale(scalefactor, this);
}
//@}
/// @name Histograms
//@{
BinnedHistogram _h_sigred, _h_sigred_cc;
Histo1DPtr _hist_Q2_10,_hist_Q2_100,_hist_Q2_1000,_hist_Q2_2000,_hist_Q2_3000;
bool positron ;
//@}
};
RIVET_DECLARE_PLUGIN(HERA_2015_I1377206);
}
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