Example #1
0
//_____________________________________________________________________________
Gammagammaleptonpair::Gammagammaleptonpair(const inputParameters& inputParametersInstance, randomGenerator* randy, beamBeamSystem& bbsystem)
: eventChannel(inputParametersInstance, randy, bbsystem)
, _GGlepInputpidtest(inputParametersInstance.prodParticleType())
, _GGlepInputnumw(inputParametersInstance.nmbWBins())
, _GGlepInputnumy(inputParametersInstance.nmbRapidityBins())
, _GGlepInputGamma_em(inputParametersInstance.beamLorentzGamma())
{
    //Initialize randomgenerator with our seed.
    _randy->Rndom();
    //Let us read in the luminosity tables
    read();
    //Now we will calculate the crosssection
    twoLeptonCrossSection();
    //If it is a tauon, calculate its tables
    if(inputParametersInstance.prodParticleId()==starlightConstants::TAUONDECAY) calculateTable();
}
Example #2
0
//______________________________________________________________________________
Gammaavectormeson::Gammaavectormeson(inputParameters& input,beamBeamSystem& bbsystem):eventChannel(input,bbsystem), _phaseSpaceGen(0)  //:readLuminosity(input),_bbs(bbsystem)
{
	_VMNPT=input.nmbPtBinsInterference();
	_VMWmax=input.maxW();
	_VMWmin=input.minW();
	_VMYmax=input.maxRapidity();
	_VMYmin=-1.*_VMYmax;
	_VMnumw=input.nmbWBins();
	_VMnumy=input.nmbRapidityBins();
	_VMgamma_em=input.beamLorentzGamma();
	_VMinterferencemode=input.interferenceEnabled();
	_VMbslope=0.;//Will define in wide/narrow constructor
	_VMpidtest=input.prodParticleType();
	_VMptmax=input.maxPtInterference();
	_VMdpt=input.ptBinWidthInterference();
	//_randy.SetSeed(input.randomSeed());
	_VMCoherence=input.coherentProduction();
	_VMCoherenceFactor=input.coherentProduction();//probably not needed

	switch(_VMpidtest){
	case starlightConstants::RHO:
	case starlightConstants::RHOZEUS:
		_width=0.1507;
		_mass=0.7685;
		break;
	case starlightConstants::FOURPRONG:
		// create n-body phase-space generator instance
		_phaseSpaceGen = new nBodyPhaseSpaceGen();
		_phaseSpaceGen->setSeed(input.randomSeed());
		_width = 0.360;
		_mass  = 1.350;
		break;
	case starlightConstants::OMEGA:
		_width=0.00843;
		_mass=0.78194;
		break;
	case starlightConstants::PHI:
		_width=0.00443;
		_mass=1.019413;
		break;
	case starlightConstants::JPSI:
	case starlightConstants::JPSI_ee:
	case starlightConstants::JPSI_mumu:
		_width=0.000091;
		_mass=3.09692;
		break;
	case starlightConstants::JPSI2S:
	case starlightConstants::JPSI2S_ee:
	case starlightConstants::JPSI2S_mumu:
		_width=0.000337;
		_mass=3.686093;
		break;
	case starlightConstants::UPSILON:
	case starlightConstants::UPSILON_ee:
	case starlightConstants::UPSILON_mumu:
		_width=0.00005402;
		_mass=9.46030;
		break;
	case starlightConstants::UPSILON2S:
	case starlightConstants::UPSILON2S_ee:
	case starlightConstants::UPSILON2S_mumu:
		_width=0.00003198;
		_mass=10.02326;
		break;
	case starlightConstants::UPSILON3S:
	case starlightConstants::UPSILON3S_ee:
	case starlightConstants::UPSILON3S_mumu:
		_width=0.00002032;
		_mass=10.3552;
		break;
	default: cout<<"No proper vector meson defined, gammaavectormeson::gammaavectormeson"<<endl;
	}  
}