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updates for STARLIGHT r313 #504

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Feb 15, 2022
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updates for STARLIGHT r313 #504

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27 changes: 21 additions & 6 deletions MC/GeneratorConfig.C
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Original file line number Diff line number Diff line change
Expand Up @@ -1198,11 +1198,15 @@ GeneratorStarlight(){
// kTwoGammaToRhoRho
// kTwoGammaToF2
// kCohRhoToPi
// kCohRhoToElEl
// kCohRhoToMuMu
// kCohRhoToPiWithCont
// kCohRhoToPiFlat
// kCohPhiToKa
// kDirectPhiToKaKa
// kCohOmegaTo2Pi
// kCohOmegaTo3Pi
// kCohOmegaToPiPiPi
// kCohJpsiToMu
// kCohJpsiToEl
// kCohJpsiToElRad
Expand All @@ -1214,11 +1218,14 @@ GeneratorStarlight(){
// kCohUpsilonToMu
// kCohUpsilonToEl
// kIncohRhoToPi
// kIncohRhoToElEl
// kIncohRhoToMuMu
// kIncohRhoToPiWithCont
// kIncohRhoToPiFlat
// kIncohPhiToKa
// kIncohOmegaTo2Pi
// kIncohOmegaTo3Pi
// kIncohOmegaToPiPiPi
// kIncohJpsiToMu
// kIncohJpsiToEl
// kIncohJpsiToElRad
Expand All @@ -1242,7 +1249,7 @@ GeneratorStarlight(){
// there is a floating point exception in starlight
yminConfig = TMath::Max(yminConfig, -8.0f);
ymaxConfig = TMath::Min(ymaxConfig, +8.0f);

Int_t projA=1,targA=1,projZ=1,targZ=1;
// pp
if (systemConfig.EqualTo("p-p")) {
Expand Down Expand Up @@ -1275,7 +1282,7 @@ GeneratorStarlight(){
Float_t gamma1 = beam1energy/0.938272;
Float_t gamma2 = beam2energy/0.938272;
Float_t rapBoost = 0.5*(TMath::ACosH(gamma2)-TMath::ACosH(gamma1));

// maximum absolute rapidity in CMS used in genuine starlight parameters
// rapidity bins are calculated wrt (-rapMax,rapMax) interval
Float_t rapMax = TMath::Max(TMath::Abs(yminConfig+rapBoost),TMath::Abs(ymaxConfig+rapBoost));
Expand All @@ -1286,7 +1293,7 @@ GeneratorStarlight(){
cocktail |= processConfig.Contains("RhoPrime");
cocktail |= processConfig.Contains("OmegaTo3Pi");
cocktail |= processConfig.Contains("JpsiToElRad");

AliGenCocktail *genCocktail = NULL;
if (cocktail) genCocktail = new AliGenCocktail(); // constructor must be called before other generators

Expand All @@ -1308,11 +1315,15 @@ GeneratorStarlight(){
{"kTwoGammaToRhoRho", 1, 33, 20, -1.0, -1.0, 0.01 }, //
{"kTwoGammaToF2", 1, 225, 20, -1.0, -1.0, 0.01 }, //
{"kCohRhoToPi", 3, 113, 1200, -1.0, -1.0, 0.02 }, //
{"kCohRhoToElEl", 3, 113011, 1200, -1.0, -1.0, 0.02 }, //
{"kCohRhoToMuMu", 3, 113013, 1200, -1.0, -1.0, 0.02 }, //
{"kCohRhoToPiWithCont", 3, 913, 1200, -1.0, -1.0, 0.02 }, //
{"kCohRhoToPiFlat", 3, 113, 1, -1.0, 2.5, 0.02 }, //
{"kCohPhiToKa", 2, 333, 20, -1.0, -1.0, 0.01 }, //
{"kDirectPhiToKaKa", 3, 933, 20, -1.0, -1.0, 0.01 }, // new
{"kCohOmegaTo2Pi", 2, 223, 20, -1.0, -1.0, 0.01 }, //
{"kCohOmegaTo3Pi", 2, 223, 20, -1.0, -1.0, 0.01 }, //
{"kCohOmegaToPiPiPi", 2, 223211111, 20, -1.0, -1.0, 0.01 }, // not using the PYTHIA decayer
{"kCohJpsiToMu", 2, 443013, 20, -1.0, -1.0, 0.01 }, //
{"kCohJpsiToEl", 2, 443011, 20, -1.0, -1.0, 0.01 }, //
{"kCohJpsiToElRad", 2, 443011, 20, -1.0, -1.0, 0.01 }, //
Expand All @@ -1324,16 +1335,19 @@ GeneratorStarlight(){
{"kCohUpsilonToMu", 2, 553013, 20, -1.0, -1.0, 0.01 }, //
{"kCohUpsilonToEl", 2, 553011, 20, -1.0, -1.0, 0.01 }, //
{"kIncohRhoToPi", 4, 113, 1200, -1.0, -1.0, 0.02 }, //
{"kIncohRhoToElEl", 4, 113011, 1200, -1.0, -1.0, 0.02 }, //
{"kIncohRhoToMuMu", 4, 113013, 1200, -1.0, -1.0, 0.02 }, //
{"kIncohRhoToPiWithCont",4, 913, 1200, -1.0, -1.0, 0.02 }, //
{"kIncohRhoToPiFlat", 4, 113, 1, -1.0, 2.5, 0.02 }, //
{"kIncohPhiToKa", 4, 333, 20, -1.0, -1.0, 0.01 }, //
{"kIncohOmegaTo2Pi", 4, 223, 20, -1.0, -1.0, 0.01 }, //
{"kIncohOmegaTo3Pi", 4, 223, 20, -1.0, -1.0, 0.01 }, //
{"kIncohOmegaToPiPiPi", 4, 223211111, 20, -1.0, -1.0, 0.01 }, // not using the PYTHIA decayer
{"kIncohJpsiToMu", 4, 443013, 20, -1.0, -1.0, 0.01 }, //
{"kIncohJpsiToEl", 4, 443011, 20, -1.0, -1.0, 0.01 }, //
{"kIncohJpsiToElRad", 4, 443011, 20, -1.0, -1.0, 0.01 }, //
{"kIncohJpsiToProton", 4, 4432212, 20, -1.0, -1.0, 0.01 }, //
{"kIncohJpsiToLLbar", 4, 4433122, 20, -1.0, -1.0, 0.01 }, //
{"kIncohJpsiToLLbar", 4, 4433122, 20, -1.0, -1.0, 0.01 }, //
{"kIncohPsi2sToMu", 4, 444013, 20, -1.0, -1.0, 0.01 }, //
{"kIncohPsi2sToEl", 4, 444011, 20, -1.0, -1.0, 0.01 }, //
{"kIncohPsi2sToMuPi", 4, 444013, 20, -1.0, -1.0, 0.01 }, //
Expand All @@ -1343,6 +1357,7 @@ GeneratorStarlight(){
// {"kCohRhoPrime", 3, 0, 20, -1.0, -1.0, 0.01 }, //
// {"kIncohRhoPrime", 4, 0, 20, -1.0, -1.0, 0.01 }, //
};

const Int_t nProcess = sizeof(slConfig)/sizeof(SLConfig);
Int_t idx = -1;
for (Int_t i=0; i<nProcess; ++i) {
Expand All @@ -1356,7 +1371,7 @@ GeneratorStarlight(){
printf("STARLIGHT process '%s' is not supported\n", processConfig.Data());
abort();
}

AliGenStarLight* genStarLight = new AliGenStarLight(1000*1000);
genStarLight->SetParameter(Form("BEAM_1_Z = %3i #Z of target",targZ));
genStarLight->SetParameter(Form("BEAM_1_A = %3i #A of target",targA));
Expand Down Expand Up @@ -1388,7 +1403,7 @@ GeneratorStarlight(){
genStarLight->SetParameter("BSLOPE_VALUE = 4.0"); // default slope value
if(genStarLight->Class_Version() > 3) // this option is only in later versions
genStarLight->SetParameter("PRINT_VM = 2"); // print cross sections and fluxes vs rapidity in stdout for VM photoproduction processes

genStarLight->SetRapidityMotherRange(yminConfig,ymaxConfig);
if (!genCocktail) return genStarLight;

Expand Down