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Make the non-prompt injection ratio configurable and fix EvtGen decay definitions #2400

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Merged
iarsene merged 3 commits into from
Jul 7, 2026
+53 −29
Merged

Make the non-prompt injection ratio configurable and fix EvtGen decay definitions #2400

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25ad56d
Set the non-prompt injection ratio to 2
donglovo Jul 3, 2026
d5f1c35
Allow input trigger ratio configuration via environment variable
donglovo Jul 6, 2026
4b8bde5
Fix EvtGen decay definitions in BTOPSIJPSITODIELECTRON.DEC
donglovo Jul 7, 2026
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56 changes: 28 additions & 28 deletions MC/config/PWGDQ/EvtGen/DecayTablesEvtgen/BTOPSIJPSITODIELECTRON.DEC
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ Decay B0
0.0001 psi(2S) K+ pi- pi0 PHSP;
0.0004 psi(2S) K_10 PHSP;
###
0.000620000 psi(2S) K0 PHSP; #[New mode added] #[Reconstructed PDG2011]
0.000620000 psi(2S) K0 SVS; #[New mode added] #[Reconstructed PDG2011]

0.000435500 J/psi K_S0 SVS; #[Reconstructed PDG2011]
0.000435500 J/psi K_L0 SVS; #[Reconstructed PDG2011]
Expand All @@ -30,7 +30,7 @@ Decay B0
0.0005 J/psi K_2*0 PHSP;
0.000094000 J/psi phi K0 PHSP; #[Reconstructed PDG2011]
####
0.000871000 J/psi K0 PHSP; #[New mode added] #[Reconstructed PDG2011]
0.000871000 J/psi K0 SVS; #[New mode added] #[Reconstructed PDG2011]
0.000310000 J/psi omega K0 PHSP; #[New mode added] #[Reconstructed PDG2011]
0.000009500 J/psi eta PHSP; #[New mode added] #[Reconstructed PDG2011]
0.000019000 J/psi pi+ pi- PHSP; #[New mode added] #[Reconstructed PDG2011]
Expand All @@ -40,15 +40,15 @@ Decay B0
0.000660000 J/psi K*0 pi+ pi- PHSP; #[New mode added] #[Reconstructed PDG2011]

# --- chi_c1 ---
0.000011200 chi_c1 pi0 SVS;
0.000011200 chi_c1 pi0 PHSP;
0.000395000 chi_c1 K0 SVS;
0.000497000 chi_c1 K+ pi- PHSP;
0.000320000 chi_c1 K0 pi+ pi- PHSP;
0.000350000 chi_c1 K+ pi0 pi- PHSP;

# --- chi_c2 ---
0.000015000 chi_c2 K0 SVS;
0.000049000 chi_c2 K*0 SVV_HELAMP 1.0 0.0 0.0;
0.000015000 chi_c2 K0 STS;
0.000049000 chi_c2 K*0 PHSP;
0.000072000 chi_c2 K+ pi- PHSP;
0.000174000 chi_c2 pi+ pi- K0 PHSP;
0.000074000 chi_c2 pi- pi0 K+ PHSP;
Expand All @@ -67,7 +67,7 @@ Decay anti-B0
0.0001 psi(2S) K- pi+ pi0 PHSP;
0.0004 psi(2S) anti-K_10 PHSP;
###
0.000620000 psi(2S) anti-K0 PHSP; #[New mode added] #[Reconstructed PDG2011]
0.000620000 psi(2S) anti-K0 SVS; #[New mode added] #[Reconstructed PDG2011]

0.000435500 J/psi K_S0 SVS; #[Reconstructed PDG2011]
0.000435500 J/psi K_L0 SVS; #[Reconstructed PDG2011]
Expand All @@ -84,7 +84,7 @@ Decay anti-B0
0.0005 J/psi anti-K_2*0 PHSP;
0.000094000 J/psi phi anti-K0 PHSP; #[Reconstructed PDG2011]
###
0.000871000 J/psi anti-K0 PHSP; #[New mode added] #[Reconstructed PDG2011]
0.000871000 J/psi anti-K0 SVS; #[New mode added] #[Reconstructed PDG2011]
0.000310000 J/psi omega anti-K0 PHSP; #[New mode added] #[Reconstructed PDG2011]
0.000009500 J/psi eta PHSP; #[New mode added] #[Reconstructed PDG2011]
0.000019000 J/psi pi- pi+ PHSP; #[New mode added] #[Reconstructed PDG2011]
Expand All @@ -94,15 +94,15 @@ Decay anti-B0
0.000660000 J/psi anti-K*0 pi- pi+ PHSP; #[New mode added] #[Reconstructed PDG2011]

# --- chi_c1 ---
0.000011200 chi_c1 pi0 SVS;
0.000011200 chi_c1 pi0 PHSP;
0.000395000 chi_c1 anti-K0 SVS;
0.000497000 chi_c1 K- pi+ PHSP;
0.000320000 chi_c1 anti-K0 pi- pi+ PHSP;
0.000350000 chi_c1 K- pi0 pi+ PHSP;

# --- chi_c2 ---
0.000015000 chi_c2 anti-K0 SVS;
0.000049000 chi_c2 anti-K*0 SVV_HELAMP 1.0 0.0 0.0;
0.000015000 chi_c2 anti-K0 STS;
0.000049000 chi_c2 anti-K*0 PHSP;
0.000072000 chi_c2 K- pi+ PHSP;
0.000174000 chi_c2 pi- pi+ anti-K0 PHSP;
0.000074000 chi_c2 pi+ pi0 K- PHSP;
Expand Down Expand Up @@ -139,16 +139,16 @@ Decay B+
0.000011800 J/psi p+ anti-Lambda0 PHSP; #[New mode added] #[Reconstructed PDG2011]

# --- chi_c1 ---
0.000022000 chi_c1 pi+ SVS;
0.000022000 chi_c1 pi+ PHSP;
0.000474000 chi_c1 K+ SVS;
0.000300000 chi_c1 K*+ SVV_HELAMP 1.0 0.0 0.0;
0.000300000 chi_c1 K*+ SVV_HELAMP PKHplus PKphHplus PKHzero PKphHzero PKHminus PKphHminus;
0.000329000 chi_c1 K+ pi0 PHSP;
0.000580000 chi_c1 K0 pi+ PHSP;
0.000374000 chi_c1 K+ pi+ pi- PHSP;

# --- chi_c2 ---
0.000110000 chi_c2 K+ SVS;
0.000120000 chi_c2 K*+ SVV_HELAMP 1.0 0.0 0.0;
0.000110000 chi_c2 K+ STS;
0.000120000 chi_c2 K*+ PHSP;
0.000062000 chi_c2 K+ pi0 PHSP;
0.000124000 chi_c2 K0 pi+ PHSP;
0.000134000 chi_c2 K+ pi+ pi- PHSP;
Expand Down Expand Up @@ -184,16 +184,16 @@ Decay B-
0.000011800 J/psi anti-p- Lambda0 PHSP; #[New mode added] #[Reconstructed PDG2011]

# --- chi_c1 ---
0.000022000 chi_c1 pi- SVS;
0.000022000 chi_c1 pi- PHSP;
0.000474000 chi_c1 K- SVS;
0.000300000 chi_c1 K*- SVV_HELAMP 1.0 0.0 0.0;
0.000300000 chi_c1 K*- SVV_HELAMP PKHminus PKphHminus PKHzero PKphHzero PKHplus PKphHplus;
0.000329000 chi_c1 K- pi0 PHSP;
0.000580000 chi_c1 anti-K0 pi- PHSP;
0.000374000 chi_c1 K- pi- pi+ PHSP;

# --- chi_c2 ---
0.000110000 chi_c2 K- SVS;
0.000120000 chi_c2 K*- SVV_HELAMP 1.0 0.0 0.0;
0.000110000 chi_c2 K- STS;
0.000120000 chi_c2 K*- PHSP;
0.000062000 chi_c2 K- pi0 PHSP;
0.000124000 chi_c2 anti-K0 pi- PHSP;
0.000134000 chi_c2 K- pi- pi+ PHSP;
Expand Down Expand Up @@ -242,7 +242,7 @@ Decay B_s0
0.0000023 phi e+ e- BTOSLLALI;

# --- chi_c1 ---
0.0001970 chi_c1 phi SVV_HELAMP 1.0 0.0 0.0;
0.0001970 chi_c1 phi SVV_HELAMP 1.0 0.0 1.0 0.0 1.0 0.0;
Enddecay

Decay anti-B_s0
Expand Down Expand Up @@ -287,27 +287,27 @@ Decay anti-B_s0
0.0000023 phi e- e+ BTOSLLALI;

# --- chi_c1 ---
0.0001970 chi_c1 phi SVV_HELAMP 1.0 0.0 0.0;
0.0001970 chi_c1 phi SVV_HELAMP 1.0 0.0 1.0 0.0 1.0 0.0;
Enddecay

Decay Lambda_b0
###
0.00038 Lambda0 psi(2S) PHSP;
0.00047 Lambda0 J/psi PHSP;
0.0000760 chi_c1 p K- PHSP;
0.0000050 chi_c1 p pi- PHSP;
0.0000770 chi_c2 p K- PHSP;
0.0000048 chi_c2 p pi- PHSP;
0.0000760 chi_c1 p+ K- PHSP;
0.0000050 chi_c1 p+ pi- PHSP;
0.0000770 chi_c2 p+ K- PHSP;
0.0000048 chi_c2 p+ pi- PHSP;
Enddecay

Decay anti-Lambda_b0
###
0.00038 anti-Lambda0 psi(2S) PHSP;
0.00047 anti-Lambda0 J/psi PHSP;
0.0000760 chi_c1 anti-p K+ PHSP;
0.0000050 chi_c1 anti-p pi+ PHSP;
0.0000770 chi_c2 anti-p K+ PHSP;
0.0000048 chi_c2 anti-p pi+ PHSP;
0.0000760 chi_c1 anti-p- K+ PHSP;
0.0000050 chi_c1 anti-p- pi+ PHSP;
0.0000770 chi_c2 anti-p- K+ PHSP;
0.0000048 chi_c2 anti-p- pi+ PHSP;
Enddecay

Decay Xi_b-
Expand Down
26 changes: 25 additions & 1 deletion MC/config/PWGDQ/external/generator/generator_pythia8_NonPromptSignals_OO_gaptriggered_dq.C
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Original file line number Diff line number Diff line change
Expand Up @@ -19,12 +19,36 @@ class GeneratorPythia8NonPromptInjectedOOGapTriggeredDQ : public o2::eventgen::G
public:

/// constructor
GeneratorPythia8NonPromptInjectedOOGapTriggeredDQ(int inputTriggerRatio = 5) {
GeneratorPythia8NonPromptInjectedOOGapTriggeredDQ(int inputTriggerRatio = 2) {

mGeneratedEvents = 0;
mInverseTriggerRatio = inputTriggerRatio;

// Read INPUT_TRIGGER_RATIO from the shell environment.
// If it is not defined, keep the default constructor value.
const char* envTriggerRatio = gSystem->Getenv("INPUT_TRIGGER_RATIO");

if (envTriggerRatio && envTriggerRatio[0] != '\0') {
const int valueFromEnv = TString(envTriggerRatio).Atoi();

if (valueFromEnv > 0) {
inputTriggerRatio = valueFromEnv;
} else {
printf(
"WARNING: invalid INPUT_TRIGGER_RATIO=%s, using default value %d\n",
envTriggerRatio,
inputTriggerRatio);
}
}

mGeneratedEvents = 0;
mInverseTriggerRatio = inputTriggerRatio;

printf("Input trigger ratio: %d\n", mInverseTriggerRatio);

// define minimum bias event generator
auto seed = (gRandom->TRandom::GetSeed() % 900000000);

TString pathconfigMB = gSystem->ExpandPathName("${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/generator/pythia8_OO_536.cfg");
pythiaMBgen.readFile(pathconfigMB.Data());
pythiaMBgen.readString("Random:setSeed on");
Expand Down
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