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[PWGDQ] adding generator to trigger all inclusive quarkonia in pp #2466

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[PWGDQ] adding generator to trigger all inclusive quarkonia in pp #2466

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10623d9
[PWGDQ] possiblity to trigger all quarkonia
glegras Sep 14, 2026
305f55e
possibility to pass rejection factors by string
glegras Sep 15, 2026
6b01bb2
[PWGDQ] adding generator to trigger all inclusive quarkonia in pp
glegras Sep 17, 2026
c5fea7c
clang format
glegras Sep 17, 2026
2bbe70a
small fix
glegras Sep 17, 2026
3d47337
update with possibility to choose which decay table we want
glegras Sep 17, 2026
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224 changes: 138 additions & 86 deletions MC/config/PWGDQ/EvtGen/DecayTablesEvtgen/BTOPSIJPSITODIELECTRON.DEC
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42 changes: 42 additions & 0 deletions MC/config/PWGDQ/EvtGen/DecayTablesEvtgen/CHARMONIATOJPSIANDDIELECTRON.DEC
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Original file line number Diff line number Diff line change
@@ -0,0 +1,42 @@
Decay chi_c0
0.0135 gamma J/psi PHSP;
0.000129 J/psi e+ e- PHOTOS PHSP;
Enddecay

###
Decay chi_c1
0.339 J/psi gamma VVP 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0;
0.00342 J/psi e+ e- PHOTOS PHSP;
Enddecay

###
Decay chi_c2
0.190 gamma J/psi PHSP;
0.00214 J/psi e+ e- PHOTOS PHSP;
Enddecay

Decay psi(2S)
0.00795 e+ e- PHOTOS VLL;
0.0208 J/psi pi+ pi- VVPIPI; # multiplied by J/psi->ee BR to keep relative statistics, since J/psi->ee itself is also enhanced
0.0000819 gamma chi_c0 PHSP; # * BR(J/psi->ee) * BR(chi_c0->J/psi)
0.00201 gamma chi_c1 PHSP; # * BR(J/psi->ee) * BR(chi_c1->J/psi)
0.00110 gamma chi_c2 PHSP; # * BR(J/psi->ee) * BR(chi_c2->J/psi)
Enddecay

Decay J/psi
1.000 e+ e- PHOTOS VLL;
Enddecay

Decay Upsilon
1.000 e+ e- PHOTOS VLL;
Enddecay

Decay Upsilon(2S)
1.000 e+ e- PHOTOS VLL;
Enddecay

Decay Upsilon(3S)
1.000 e+ e- PHOTOS VLL;
Enddecay

End
6 changes: 5 additions & 1 deletion MC/config/PWGDQ/EvtGen/GeneratorEvtGen.C
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,8 @@ enum DecayModeEvt { kEvtAll = 0,
kEvtDiElectronEM,
kEvtGammaEM,
kEvtBtoPsi2SToJpsiPiPi,
kEvtBeautyUpgrade };
kEvtBeautyUpgrade,
kCharmoniaToJpsiAndDielectron};

namespace o2
{
Expand Down Expand Up @@ -359,6 +360,9 @@ class GeneratorEvtGen : public T
case kEvtBtoPsi2SToJpsiPiPi:
SetDecayTable(Form("%s/BTOPSITOJPSIPIPI.DEC", pathO2.Data()));
break;
case kCharmoniaToJpsiAndDielectron:
SetDecayTable(Form("%s/CHARMONIATOJPSIANDDIELECTRON.DEC", pathO2.Data()));
break;
}
return;
};
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