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Add custom generator for f0 f1 resonances #532

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Jan 20, 2023
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Add custom generator for f0 f1 resonances #532

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36 changes: 36 additions & 0 deletions MC/CustomGenerators/PWGLF/Pythia8_Monash2013_Rsn_f0f1.C
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Original file line number Diff line number Diff line change
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struct particle_inj {
int n;
char name[32];
int pdg;
double maxpt;
double maxy;
};

AliGenerator* GeneratorCustom()
{
AliGenCocktail *ctl = (AliGenCocktail*) GeneratorCocktail("Monash2013_Rsn_f2f0");
// pythia8
AliGenerator *py8 = GeneratorPythia8(kPythia8Tune_Monash2013);
ctl->AddGenerator(py8, "Pythia8 (Monash2013)", 1.);

// randomly injected particles
const int nParticles = 2;
particle_inj particleList[2] = { // {name,pdgcode,maxpt,maxy},
{1,"f0(1710)",10331,10.,0.9},
{1,"f2(1525)",335,10.,0.9},
{1,"f1(1285)",20223,10.,0.9},
{1,"f1(1420)",20333,10.,0.9},
{1,"f1(1420)",20333,10.,0.9},
{1,"f0(1500)",90302,10.,0.9}
};

AliDecayerPythia *dec = new AliDecayerPythia;
AliPDG::AddParticlesToPdgDataBase();

ctl->UseSingleInjectionPerEvent();
for (int idx = 0; idx < nParticles; ++idx) {
AliGenerator *inj = GeneratorParam(particleList[idx].n, particleList[idx].pdg, 1., particleList[idx].maxpt,-particleList[idx].maxy, particleList[idx].maxy,dec);
ctl->AddGenerator(inj, (TString(particleList[idx].name) + " injector").Data(), 1.);
}
return ctl;
}