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Add config for D2H PbPb MC with HIJING + Pythia8 (#362)
* Add config for D2H PbPb MC with HIJING + Pythia8 * Add update of Lb decay length according to latest PDG value * Force config-defined decays in case of Lc dedicated options * Fix forced Lc decays for dedicated productions
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MC/CustomGenerators/PWGHF/Hijing_Pythia8_Monash2013_HF001.C
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| AliGenerator *GeneratorCustom(TString opt = "") | ||
| { | ||
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| TString optList[4] = {"had", "LcK0Sp", "LcpKpi", "DsKKpi"}; | ||
| Int_t channelOption = 0; | ||
| for (Int_t iopt = 0; iopt < 4; iopt++) | ||
| if (opt.EqualTo(optList[iopt])) | ||
| channelOption = iopt; | ||
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| AliGenCocktail *ctl = GeneratorCocktail("Hijing_Pythia8_HF"); | ||
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| TString simulation = gSystem->Getenv("CONFIG_SIMULATION"); | ||
| Int_t ntimes=1; | ||
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| Double_t bEvalFormula=-1; | ||
| Bool_t isEmbedding=kFALSE; | ||
| if(!simulation.Contains("Embed")){ | ||
| AliGenerator *hij = GeneratorHijing(); | ||
| ctl->AddGenerator(hij, "Hijing", 1.); | ||
| } | ||
| else{ | ||
| isEmbedding=kTRUE; | ||
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| if(bminConfig>bmaxConfig)Fatal("Hijing_Pythia8_HF001_MCtoMCembedding","max impact parameter smaller than min impact parameter"); | ||
| if(bminConfig<0.)Fatal("Hijing_Pythia8_HF001_MCtoMCembedding","min impact parameter <0"); | ||
| if(bmaxConfig>20)Fatal("Hijing_Pythia8_HF001_MCtoMCembedding","unphysical impact parameter"); | ||
| bEvalFormula=(bmaxConfig+bminConfig)/2.; | ||
| } | ||
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| const Char_t *label[2][5] = { | ||
| "chadr PYTHIA8", "chadr PYTHIA8 LcK0SpDedicated", "chadr PYTHIA8 LcpKpiDedicated", "chadr PYTHIA8 DsDedicated", | ||
| "bchadr PYTHIA8", "bchadr PYTHIA8 LcK0SpDedicated", "bchadr PYTHIA8 LcpKpiDedicated", "bchadr PYTHIA8 DsDedicated" | ||
| }; | ||
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| //Switches for prompt/nonprompt | ||
| Process_t process[2] = {kPyCharmppMNRwmi, kPyBeautyppMNRwmi}; //charm or beauty | ||
| Int_t iprocess = uidConfig % 2; | ||
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| //switch sign of trigger particle | ||
| Int_t sign = (uidConfig%4 <= 1) ? 1 : -1; | ||
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| //switch trigger particle (if enabled) | ||
| Int_t triggerPart = -1; | ||
| if (channelOption > 0 && channelOption < 3) | ||
| triggerPart = 4122; // Lc | ||
| else if (channelOption == 3) | ||
| triggerPart = 431; // Ds | ||
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| AliGenPythiaPlus* pyth = (AliGenPythiaPlus*)GeneratorPythia8(kPythia8Tune_Monash2013); | ||
| pyth->SetProcess(process[iprocess]); | ||
| pyth->SetHeavyQuarkYRange(-1.5, 1.5); | ||
| if(channelOption >= 1) { | ||
| pyth->SetTriggerY(1.0); | ||
| pyth->SetTriggerParticle(sign * triggerPart, 999); | ||
| } | ||
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| // Pt transfer of the hard scattering (4 different cases) | ||
| Float_t pth[4] = {2.76, 20., 50., 1000.}; | ||
| Int_t ipt; | ||
| if ((uidConfig / 2) % 10 < 7) ipt = 0; | ||
| else if ((uidConfig / 2) % 10 < 9) ipt = 1; | ||
| else ipt = 2; | ||
| pyth->SetPtHard(pth[ipt], pth[ipt + 1]); | ||
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| // Configuration of pythia8 decayer | ||
| if(AliPythiaBase::Class()->GetMethodAny("Decayer")){ | ||
| printf("Force decays using ForceHadronicD of AliDecayerPythia8\n"); | ||
| pyth->SetForceDecay(kHadronicDWithout4Bodies); | ||
| if(channelOption == 1) | ||
| pyth->SetForceDecay(AliDecayer:kLcpK0S) | ||
| else if(channelOption == 2) | ||
| pyth->SetForceDecay(AliDecayer::kLcpKpi) | ||
| }else{ | ||
| printf("Force decays in the Config\n"); | ||
| //add D+ decays absent in PYTHIA8 decay table and set BRs from PDG for other | ||
| (AliPythia8::Instance())->ReadString("411:oneChannel = 1 0.0752 0 -321 211 211"); | ||
| (AliPythia8::Instance())->ReadString("411:addChannel = 1 0.0104 0 -313 211"); | ||
| (AliPythia8::Instance())->ReadString("411:addChannel = 1 0.0156 0 311 211"); | ||
| (AliPythia8::Instance())->ReadString("411:addChannel = 1 0.00276 0 333 211"); | ||
| //add Lc decays absent in PYTHIA8 decay table and set BRs from PDG for other | ||
| (AliPythia8::Instance())->ReadString("4122:oneChannel = 1 0.0196 100 2212 -313"); | ||
| (AliPythia8::Instance())->ReadString("4122:addChannel = 1 0.0108 100 2224 -321"); | ||
| (AliPythia8::Instance())->ReadString("4122:addChannel = 1 0.022 100 3124 211"); | ||
| (AliPythia8::Instance())->ReadString("4122:addChannel = 1 0.035 0 2212 -321 211"); | ||
| (AliPythia8::Instance())->ReadString("4122:addChannel = 1 0.0159 0 2212 311"); | ||
| (AliPythia8::Instance())->ReadString("4122:addChannel = 1 0.0130 0 3122 211"); | ||
| //add Xic+ decays absent in PYTHIA8 decay table | ||
| (AliPythia8::Instance())->ReadString("4232:addChannel = 1 0.2 0 2212 313"); | ||
| (AliPythia8::Instance())->ReadString("4232:addChannel = 1 0.2 0 2212 321 211"); | ||
| (AliPythia8::Instance())->ReadString("4232:addChannel = 1 0.2 0 3324 211"); | ||
| (AliPythia8::Instance())->ReadString("4232:addChannel = 1 0.2 0 3312 211 211"); | ||
| //add Xic0 decays absent in PYTHIA8 decay table | ||
| (AliPythia8::Instance())->ReadString("4132:addChannel = 1 0.2 0 3312 211"); | ||
| // D+ decays | ||
| (AliPythia8::Instance())->ReadString("411:onMode = off"); | ||
| (AliPythia8::Instance())->ReadString("411:onIfMatch = 321 211 211"); | ||
| (AliPythia8::Instance())->ReadString("411:onIfMatch = 313 211"); | ||
| (AliPythia8::Instance())->ReadString("411:onIfMatch = 333 211"); | ||
| (AliPythia8::Instance())->ReadString("313:onMode = off"); | ||
| (AliPythia8::Instance())->ReadString("313:onIfAll = 321 211"); | ||
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| // D0 decays | ||
| (AliPythia8::Instance())->ReadString("421:onMode = off"); | ||
| (AliPythia8::Instance())->ReadString("421:onIfMatch = 321 211"); | ||
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| // Ds decays | ||
| (AliPythia8::Instance())->ReadString("431:onMode = off"); | ||
| (AliPythia8::Instance())->ReadString("431:onIfMatch = 333 211"); | ||
| (AliPythia8::Instance())->ReadString("431:onIfMatch = 321 313"); | ||
| (AliPythia8::Instance())->ReadString("333:onMode = off"); | ||
| (AliPythia8::Instance())->ReadString("333:onIfAll = 321 321"); | ||
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| // Lc decays | ||
| (AliPythia8::Instance())->ReadString("4122:onMode = off"); | ||
| if(channelOption == 0) { //general purpose or pKpi triggered | ||
| (AliPythia8::Instance())->ReadString("4122:onIfMatch = 2212 313"); | ||
| (AliPythia8::Instance())->ReadString("4122:onIfMatch = 2224 321"); | ||
| (AliPythia8::Instance())->ReadString("4122:onIfMatch = 3124 211"); | ||
| (AliPythia8::Instance())->ReadString("4122:onIfMatch = 2212 321 211"); | ||
| (AliPythia8::Instance())->ReadString("2224:onMode = off"); | ||
| (AliPythia8::Instance())->ReadString("2224:onIfAll = 2212 211"); | ||
| (AliPythia8::Instance())->ReadString("3124:onMode = off"); | ||
| (AliPythia8::Instance())->ReadString("3124:onIfAll = 2212 321"); | ||
| (AliPythia8::Instance())->ReadString("4122:onIfMatch = 2212 321 211"); | ||
| } | ||
| else if(channelOption == 1) { //general purpose or pK0s triggered | ||
| (AliPythia8::Instance())->ReadString("4122:onIfMatch = 2212 311"); | ||
| } | ||
| else if(channelOption == 2) { //general purpose or pKpi triggered | ||
| (AliPythia8::Instance())->ReadString("4122:onIfMatch = 2212 321 211"); | ||
| } | ||
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| // Xic+ decays | ||
| (AliPythia8::Instance())->ReadString("4232:onMode = off"); | ||
| (AliPythia8::Instance())->ReadString("4232:onIfMatch = 2212 313"); | ||
| (AliPythia8::Instance())->ReadString("4232:onIfMatch = 2212 321 211"); | ||
| (AliPythia8::Instance())->ReadString("4232:onIfMatch = 3324 211"); | ||
| (AliPythia8::Instance())->ReadString("4232:onIfMatch = 3312 211 211"); | ||
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| // Xic0 decays | ||
| (AliPythia8::Instance())->ReadString("4132:onMode = off"); | ||
| (AliPythia8::Instance())->ReadString("4132:onIfMatch = 3312 211"); | ||
| } | ||
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| // Set up2date lifetimes for hadrons | ||
| // lambda_b from PDG 2019: tau0 = 1.471 ps = 441 m/c = 0.441 mm/c | ||
| (AliPythia8::Instance())->ReadString("5122:tau0 = 4.41000e-01"); | ||
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| TFormula *formula = new TFormula("Signals","max(1.,120.*(x<5.)+80.*(1.-x/20.)*(x>5.)*(x<11.)+240.*(1.-x/13.)*(x>11.))"); | ||
| if(isEmbedding){ | ||
| ntimes=formula->Eval(bEvalFormula); | ||
| delete formula; formula=nullptr; | ||
| } | ||
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| ctl->AddGenerator(pyth, label[iprocess][channelOption], 1., formula, ntimes); | ||
| printf(">>>>> added HF generator %s \n", label[iprocess][channelOption]); | ||
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| return ctl; | ||
| } |