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test/evtgenlhc_test1.cc

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#include "EvtGenExternal/EvtExternalGenList.hh" #include "EvtGenExternal/EvtExternalGenList.hh"
#endif #endif
#include "TApplication.h" #include "TApplication.h"
#include "TFile.h" #include "TFile.h"
#include "TH1.h" #include "TH1.h"
#include "TH2.h" #include "TH2.h"
#include "TROOT.h" #include "TROOT.h"
#include "TTree.h"
#include "TString.h" #include "TString.h"
#include <cmath> #include <cmath>
#include <cstdio> #include <cstdio>
#include <cstdlib> #include <cstdlib>
#include <fstream> #include <fstream>
#include <sstream> #include <sstream>
#include <string> #include <string>
▲ Show 20 Lines • Show All 78 Lines • ▼ Show 20 Linesint countInclusive( std::string name, EvtParticle* root, TH1F* mom = 0,
TH1F* mass = 0 ); TH1F* mass = 0 );
int countInclusiveParent( std::string name, EvtParticle* root, EvtIdSet setIds, int countInclusiveParent( std::string name, EvtParticle* root, EvtIdSet setIds,
TH1F* mom = 0 ); TH1F* mom = 0 );
int countInclusiveSubTree( std::string name, EvtParticle* root, EvtIdSet setIds, int countInclusiveSubTree( std::string name, EvtParticle* root, EvtIdSet setIds,
TH1F* mom = 0 ); TH1F* mom = 0 );
void runBaryonic( int nEvent, EvtGen& myGenerator ); void runBaryonic( int nEvent, EvtGen& myGenerator );
void run3BPhspRegion( int nEvent, EvtGen& myGenerator ); void run3BPhspRegion( int nEvent, EvtGen& myGenerator );
void runFlatSqDalitz( int nEvent, EvtGen& myGenerator ); void runFlatSqDalitz( int nEvent, EvtGen& myGenerator );
void runFourBody( int nevent, EvtGen& myGenerator );
int main( int argc, char* argv[] ) int main( int argc, char* argv[] )
{ {
// Define the random number generator // Define the random number generator
EvtRandomEngine* myRandomEngine = 0; EvtRandomEngine* myRandomEngine = 0;
#ifdef EVTGEN_CPP11 #ifdef EVTGEN_CPP11
// Use the Mersenne-Twister generator (C++11 only) // Use the Mersenne-Twister generator (C++11 only)
▲ Show 20 Lines • Show All 367 Lines • ▼ Show 20 Lines#endif
} }
if ( !strcmp( argv[1], "flatSqDalitz" ) ) { if ( !strcmp( argv[1], "flatSqDalitz" ) ) {
int nevent = atoi( argv[2] ); int nevent = atoi( argv[2] );
EvtRadCorr::setNeverRadCorr(); EvtRadCorr::setNeverRadCorr();
runFlatSqDalitz( nevent, myGenerator ); runFlatSqDalitz( nevent, myGenerator );
} }
if ( !strcmp( argv[1], "4bodyPhsp" ) ) {
int nevent = atoi( argv[2] );
EvtRadCorr::setNeverRadCorr();
runFourBody( nevent, myGenerator );
}
//******************************************************* //*******************************************************
//test of the rotations and boosts performed in EvtGen. //test of the rotations and boosts performed in EvtGen.
// Added by Lange and Ryd Jan 5,2000. // Added by Lange and Ryd Jan 5,2000.
//******************************************************* //*******************************************************
if ( !strcmp( argv[1], "checkrotboost" ) ) { if ( !strcmp( argv[1], "checkrotboost" ) ) {
runCheckRotBoost(); runCheckRotBoost();
} }
▲ Show 20 Lines • Show All 5,262 Lines • ▼ Show 20 Lines do {
root_part->deleteTree(); root_part->deleteTree();
} while ( count++ < nevent ); } while ( count++ < nevent );
file->Write(); file->Write();
file->Close(); file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n"; EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
} }
void runFourBody( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "fourBody.root", "RECREATE" );
double m12, m13, m14, m23, m24, m34, m123, m124, m234;
double mB, m1, m2, m3, m4;
double pBe, pBx, pBy, pBz;
double p1e, p1x, p1y, p1z;
double p2e, p2x, p2y, p2z;
double p3e, p3x, p3y, p3z;
double p4e, p4x, p4y, p4z;
double theta1, theta3, chi;
TTree* tree = new TTree( "tree", "");
tree->Branch("m12", &m12, "m12/D");
tree->Branch("m13", &m13, "m13/D");
tree->Branch("m14", &m14, "m14/D");
tree->Branch("m23", &m23, "m23/D");
tree->Branch("m24", &m24, "m24/D");
tree->Branch("m34", &m34, "m34/D");
tree->Branch("m123", &m123, "m123/D");
tree->Branch("m124", &m124, "m124/D");
tree->Branch("m234", &m234, "m234/D");
tree->Branch("mB", &mB, "mB/D");
tree->Branch("m1", &m1, "m1/D");
tree->Branch("m2", &m2, "m2/D");
tree->Branch("m3", &m3, "m3/D");
tree->Branch("m4", &m4, "m4/D");
tree->Branch("pBe", &pBe, "pBe/D");
tree->Branch("pBx", &pBx, "pBx/D");
tree->Branch("pBy", &pBy, "pBy/D");
tree->Branch("pBz", &pBz, "pBz/D");
tree->Branch("p1e", &p1e, "p1e/D");
tree->Branch("p1x", &p1x, "p1x/D");
tree->Branch("p1y", &p1y, "p1y/D");
tree->Branch("p1z", &p1z, "p1z/D");
tree->Branch("p2e", &p2e, "p2e/D");
tree->Branch("p2x", &p2x, "p2x/D");
tree->Branch("p2y", &p2y, "p2y/D");
tree->Branch("p2z", &p2z, "p2z/D");
tree->Branch("p3e", &p3e, "p3e/D");
tree->Branch("p3x", &p3x, "p3x/D");
tree->Branch("p3y", &p3y, "p3y/D");
tree->Branch("p3z", &p3z, "p3z/D");
tree->Branch("p4e", &p4e, "p4e/D");
tree->Branch("p4x", &p4x, "p4x/D");
tree->Branch("p4y", &p4y, "p4y/D");
tree->Branch("p4z", &p4z, "p4z/D");
tree->Branch("theta1", &theta1, "theta1/D");
tree->Branch("theta3", &theta3, "theta3/D");
tree->Branch("chi", &chi, "chi/D");
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/4BodyPhsp.DEC" );
myGenerator.readUDecay( udecay_name );
static EvtId B = EvtPDL::getId( std::string( "B+" ) );
do {
EvtVector4R pinit( EvtPDL::getMass( B ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B, pinit );
myGenerator.generateDecay( root_part );
mB = root_part->mass();
m1 = root_part->getDaug( 0 )->mass();
m2 = root_part->getDaug( 1 )->mass();
m3 = root_part->getDaug( 2 )->mass();
m4 = root_part->getDaug( 3 )->mass();
EvtParticle* daug1 = root_part->getDaug( 0 );
EvtParticle* daug2 = root_part->getDaug( 1 );
EvtParticle* daug3 = root_part->getDaug( 2 );
EvtParticle* daug4 = root_part->getDaug( 3 );
m12 = ( daug1->getP4() + daug2->getP4() ).mass();
m13 = ( daug1->getP4() + daug3->getP4() ).mass();
m14 = ( daug1->getP4() + daug4->getP4() ).mass();
m23 = ( daug2->getP4() + daug3->getP4() ).mass();
m24 = ( daug2->getP4() + daug4->getP4() ).mass();
m34 = ( daug3->getP4() + daug4->getP4() ).mass();
m123 = ( daug1->getP4() + daug2->getP4() + daug3->getP4() ).mass();
m124 = ( daug1->getP4() + daug2->getP4() + daug4->getP4() ).mass();
m234 = ( daug2->getP4() + daug3->getP4() + daug4->getP4() ).mass();
pBe = root_part->getP4().get( 0 );
pBx = root_part->getP4().get( 1 );
pBy = root_part->getP4().get( 2 );
pBz = root_part->getP4().get( 3 );
p1e = daug1->getP4().get( 0 );
p1x = daug1->getP4().get( 1 );
p1y = daug1->getP4().get( 2 );
p1z = daug1->getP4().get( 3 );
p2e = daug2->getP4().get( 0 );
p2x = daug2->getP4().get( 1 );
p2y = daug2->getP4().get( 2 );
p2z = daug2->getP4().get( 3 );
p3e = daug3->getP4().get( 0 );
p3x = daug3->getP4().get( 1 );
p3y = daug3->getP4().get( 2 );
p3z = daug3->getP4().get( 3 );
p4e = daug4->getP4().get( 0 );
p4x = daug4->getP4().get( 1 );
p4y = daug4->getP4().get( 2 );
p4z = daug4->getP4().get( 3 );
theta1 = EvtDecayAngle( root_part->getP4(),
daug1->getP4() + daug2->getP4(), daug1->getP4() );
theta3 = EvtDecayAngle( root_part->getP4(),
daug3->getP4() + daug4->getP4(), daug3->getP4() );
chi = EvtDecayAngleChi( root_part->getP4(), daug1->getP4(),
daug2->getP4(), daug3->getP4(), daug4->getP4() );
tree->Fill();
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}