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Force decay mode #556

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merged 2 commits into from
Jun 22, 2023
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Force decay mode #556

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4247c4e
Add two more resonances and force decay
BongHwi Jun 21, 2023
6d42bf2
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BongHwi Jun 21, 2023
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62 changes: 47 additions & 15 deletions MC/CustomGenerators/PWGLF/Pythia8_Monash2013_Rsn_f0f1.C
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Original file line number Diff line number Diff line change
@@ -1,35 +1,67 @@
struct particle_inj {
struct particle_inj
{
int n;
char name[32];
int pdg;
double maxpt;
double maxy;
};

AliGenerator* GeneratorCustom()
AliGenerator *GeneratorCustom()
{
AliGenCocktail *ctl = (AliGenCocktail*) GeneratorCocktail("Monash2013_Rsn_f0f1");
AliGenCocktail *ctl = (AliGenCocktail *)GeneratorCocktail("Monash2013_Rsn_f0f1");
// pythia8
AliGenerator *py8 = GeneratorPythia8(kPythia8Tune_Monash2013);
AliGenerator *py8 = GeneratorPythia8(kPythia8Tune_Monash2013);
ctl->AddGenerator(py8, "Pythia8 (Monash2013)", 1.);

// randomly injected particles
const int nParticles = 5;
particle_inj particleList[nParticles] = { // {name,pdgcode,maxpt,maxy},
{1,"f0(1710)",10331,20.,0.9},
{1,"f2(1525)",335,20.,0.9},
{1,"f1(1285)",20223,20.,0.9},
{1,"f1(1420)",20333,20.,0.9},
{1,"f0(1500)",9030221,20.,0.9}
};
const int nParticles = 7;
particle_inj particleList[nParticles] = {
// {name,pdgcode,maxpt,maxy},
{1, "f0(1710)", 10331, 20., 0.9},
{1, "f2(1525)", 335, 20., 0.9},
{1, "f0(1500)", 9030221, 20., 0.9},
{1, "f2(1270)", 225, 20., 0.9},
{1, "f0(1370)", 10221, 20., 0.9},
{1, "f1(1285)", 20223, 20., 0.9},
{1, "f1(1420)", 20333, 20., 0.9}};

// Force decay mode of f0(1500) to K0s K0s - disabled since it's configured in the decay table directly
// (AliPythia8::Instance())->ReadString("9030221:onMode = off");
// (AliPythia8::Instance())->ReadString("9030221:oneChannel = 1 1.00 0 310 -310");
// (AliPythia8::Instance())->ReadString("9030221:onIfMatch = 310 -310");
// Force decay mode of f0(1710) to K0s K0s
(AliPythia8::Instance())->ReadString("10331:onMode = off");
(AliPythia8::Instance())->ReadString("10331:oneChannel = 1 1.00 0 310 -310");
(AliPythia8::Instance())->ReadString("10331:onIfMatch = 310 -310");
// force decay of f2(1525) to K0s K0s
(AliPythia8::Instance())->ReadString("335:onMode = off");
(AliPythia8::Instance())->ReadString("335:oneChannel = 1 1.00 0 310 -310");
(AliPythia8::Instance())->ReadString("335:onIfMatch = 310 -310");
// force decay of f2(1270) to K0s K0s
(AliPythia8::Instance())->ReadString("225:onMode = off");
(AliPythia8::Instance())->ReadString("225:oneChannel = 1 1.00 0 310 -310");
(AliPythia8::Instance())->ReadString("225:onIfMatch = 310 -310");
// force decay of f0(1370) to K0s K0s
(AliPythia8::Instance())->ReadString("10221:onMode = off");
(AliPythia8::Instance())->ReadString("10221:oneChannel = 1 1.00 0 310 -310");
(AliPythia8::Instance())->ReadString("10221:onIfMatch = 310 -310");
// force decay of f1(1285) to K0s, anti-K, pi+
(AliPythia8::Instance())->ReadString("20223:onMode = off");
(AliPythia8::Instance())->ReadString("20223:oneChannel = 1 1.00 0 310 -321 211");
(AliPythia8::Instance())->ReadString("20223:onIfMatch = 310 -321 211");
// force decay of f1(1420) to K0s, anti-K, pi+
(AliPythia8::Instance())->ReadString("20333:onMode = off");
(AliPythia8::Instance())->ReadString("20333:oneChannel = 1 1.00 0 310 -321 211");
(AliPythia8::Instance())->ReadString("20333:onIfMatch = 310 -321 211");

AliDecayerPythia *dec = new AliDecayerPythia;
AliPDG::AddParticlesToPdgDataBase();
// AliPythia6::Instance()->Pylist(12); // print out the particle list

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);
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;
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