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Merge pull request #173 from JeffersonLab/unstableLowerVertex
Unstable lower vertex
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| Original file line number | Diff line number | Diff line change |
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| //#include <ctime> | ||
| //#include <stdlib.h> | ||
| //#include <stdio.h> | ||
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| //#include <cassert> | ||
| //#include <iostream> | ||
| //#include <string> | ||
| //#include <sstream> | ||
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| #include "TLorentzVector.h" | ||
| #include "TLorentzRotation.h" | ||
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| #include "AMPTOOLS_AMPS/omegapiAngles.h" | ||
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| //#include <cmath> | ||
| //#include <complex> | ||
| //#include <vector> | ||
| //#include "TMath.h" | ||
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| #include "AMPTOOLS_DATAIO/OmegaPiPlotGenerator.h" | ||
| #include "IUAmpTools/Histogram1D.h" | ||
| #include "IUAmpTools/Kinematics.h" | ||
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| /* Constructor to display FitResults */ | ||
| OmegaPiPlotGenerator::OmegaPiPlotGenerator( const FitResults& results ) : | ||
| PlotGenerator( results ) | ||
| { | ||
| createHistograms(); | ||
| } | ||
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| /* Constructor for event generator (no FitResult) */ | ||
| OmegaPiPlotGenerator::OmegaPiPlotGenerator( ) : | ||
| PlotGenerator( ) | ||
| { | ||
| createHistograms(); | ||
| } | ||
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| void OmegaPiPlotGenerator::createHistograms( ) { | ||
| cout << " calls to bookHistogram go here" << endl; | ||
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| bookHistogram( kOmegaPiMass, new Histogram1D( 200, 0.6, 2., "MOmegaPi", "Invariant Mass of #omega #pi") ); | ||
| bookHistogram( kCosTheta, new Histogram1D( 50, -1., 1., "CosTheta", "cos#theta;cos#theta" ) ); | ||
| bookHistogram( kPhi, new Histogram1D( 50, -1*PI, PI, "Phi", "#Phi; #Phi[rad.]" ) ); | ||
| bookHistogram( kCosThetaH, new Histogram1D( 50, -1., 1., "CosTheta_H", "cos#theta_H;cos#theta_H" ) ); | ||
| bookHistogram( kPhiH, new Histogram1D( 50, -1*PI, PI, "Phi_H", "#Phi_H; #Phi_H[rad.]" ) ); | ||
| bookHistogram( kProd_Ang, new Histogram1D( 50, -1*PI, PI, "Prod_Ang", "Prod_Ang; Prod_Ang[rad.]" ) ); | ||
| bookHistogram( kt, new Histogram1D( 100, 0, 2.0 , "t", "-t" ) ); | ||
| bookHistogram( kRecoilMass, new Histogram1D( 100, 0.9, 1.9 , "MRecoil", "Invariant Mass of Recoil" ) ); | ||
| bookHistogram( kTwoPiMass, new Histogram1D( 100, 0.25, 1.75, "MTwoPi", "Invariant Mass of 2 #pi" ) ); | ||
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| } | ||
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| void | ||
| OmegaPiPlotGenerator::projectEvent( Kinematics* kin ){ | ||
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| //cout << "project event" << endl; | ||
| TLorentzVector beam = kin->particle( 0 ); | ||
| TLorentzVector recoil = kin->particle( 1 ); | ||
| TLorentzVector Xs_pi = kin->particle( 2 );//bachelor pi0 | ||
| TLorentzVector omegas_pi = kin->particle( 3 );//omega's pi0 | ||
| TLorentzVector rhos_pip = kin->particle( 4 );//pi- | ||
| TLorentzVector rhos_pim = kin->particle( 5 );//pi+ | ||
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| TLorentzVector two_pi = kin->particle( 2 ); | ||
| for(uint i=6; i<kin->particleList().size(); i++) { | ||
| recoil += kin->particle(i); | ||
| two_pi += kin->particle(i); | ||
| } | ||
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| //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| TLorentzVector rho = rhos_pip + rhos_pim; | ||
| TLorentzVector omega = rho + omegas_pi; | ||
| TLorentzVector X = omega + Xs_pi; | ||
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| TLorentzVector target(0,0,0,0.938); | ||
| double polAngle = 0.0; | ||
| //cout << "Beam Polarization Angle Set to " << polAngle << endl; | ||
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| double b1_mass = X.M(); | ||
| double Mandt = fabs((target-recoil).M2()); | ||
| double recoil_mass = recoil.M(); | ||
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| //////////////////////// Boost Particles and Get Angles////////////////////////////////// | ||
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| //Helicity coordinate system | ||
| TLorentzVector Gammap = beam + target; | ||
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| //Calculate decay angles in helicity frame | ||
| vector <double> locthetaphi = getomegapiAngles(polAngle, omega, X, beam, Gammap); | ||
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| vector <double> locthetaphih = getomegapiAngles(rhos_pip, omega, X, Gammap, rhos_pim); | ||
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| GDouble cosTheta = TMath::Cos(locthetaphi[0]); | ||
| GDouble Phi = locthetaphi[1]; | ||
| GDouble cosThetaH = TMath::Cos(locthetaphih[0]); | ||
| GDouble PhiH = locthetaphih[1]; | ||
| GDouble prod_angle = locthetaphi[2]; | ||
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| //cout << "calls to fillHistogram go here" << endl; | ||
| fillHistogram( kOmegaPiMass, b1_mass ); | ||
| fillHistogram( kCosTheta, cosTheta ); | ||
| fillHistogram( kPhi, Phi ); | ||
| fillHistogram( kCosThetaH, cosThetaH ); | ||
| fillHistogram( kPhiH, PhiH ); | ||
| fillHistogram( kProd_Ang, prod_angle ); | ||
| fillHistogram( kt, Mandt ); | ||
| fillHistogram( kRecoilMass, recoil_mass ); | ||
| fillHistogram( kTwoPiMass, two_pi.M() ); | ||
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| } | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,34 @@ | ||
| #if !(defined OMEGAPIPLOTGENERATOR) | ||
| #define OMEGAPIPLOTGENERATOR | ||
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| #include <vector> | ||
| #include <string> | ||
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| #include "IUAmpTools/PlotGenerator.h" | ||
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| using namespace std; | ||
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| class FitResults; | ||
| class Kinematics; | ||
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| class OmegaPiPlotGenerator : public PlotGenerator | ||
| { | ||
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| public: | ||
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| // create an index for different histograms | ||
| enum { kOmegaPiMass = 0, kCosTheta = 1, kPhi = 2, kCosThetaH = 3, kPhiH = 4, kProd_Ang = 5, kt = 6, kRecoilMass = 7, kTwoPiMass = 8, kNumHists}; | ||
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| OmegaPiPlotGenerator( const FitResults& results ); | ||
| OmegaPiPlotGenerator( ); | ||
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| void projectEvent( Kinematics* kin ); | ||
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| private: | ||
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| void createHistograms( ); | ||
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| }; | ||
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| #endif | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,22 @@ | ||
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| import os | ||
| import sbms | ||
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| # get env object and clone it | ||
| Import('*') | ||
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| # Verify AMPTOOLS environment variable is set | ||
| if os.getenv('AMPTOOLS', 'nada')!='nada' and os.getenv('AMPPLOTTER', 'nada')!='nada': | ||
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| env = env.Clone() | ||
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| AMPTOOLS_LIBS = "AMPTOOLS_AMPS AMPTOOLS_DATAIO AMPTOOLS_MCGEN UTILITIES" | ||
| env.AppendUnique(LIBS = AMPTOOLS_LIBS.split()) | ||
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| sbms.AddHDDM(env) | ||
| sbms.AddAmpTools(env) | ||
| sbms.AddAmpPlotter(env) | ||
| sbms.AddUtilities(env) | ||
| sbms.AddROOT(env) | ||
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| sbms.executable(env) |
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