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Bugfix for FluxWeight and MeVPrtl #621

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Merged
kjplows merged 3 commits into from
Jan 28, 2026
Merged

Bugfix for FluxWeight and MeVPrtl #621

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0f08627
bugfix MeVPrtl to classify boone ntuple flux type as simple flux, and…
VCLanNguyen Jan 9, 2026
b34ca44
Change flux type from kSimple_Flux to kNtuple
VCLanNguyen Jan 27, 2026
775e7f1
Merge branch 'develop' into bugfix/fluxweight_for_mevprtl
kjplows Jan 28, 2026
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2 changes: 1 addition & 1 deletion sbncode/EventGenerator/MeVPrtl/Tools/BNBKaonGen_tool.cc
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Expand Up @@ -311,7 +311,7 @@ simb::MCFlux BNBKaonGen::MakeMCFlux(const bsim::BooNe &boone) {
<< std::endl;
}

flux.fFluxType = simb::kDk2Nu;
flux.fFluxType = simb::kSimple_Flux;
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flux.fnimpwt = fBooneNtp.beamwgt;
flux.fvx = fBooneNtp.ini_pos[0][0]; //0
flux.fvy = fBooneNtp.ini_pos[0][1]; //0
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4 changes: 2 additions & 2 deletions sbncode/SBNEventWeight/Calculators/BNBFlux/FluxCalcPrep.cxx
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Expand Up @@ -224,7 +224,7 @@ namespace sbn {
}

//or do the above 3 lines in one line
// auto const& mclist = *e.getValidHandle<std::vector<simb::MCTruth>>(fGeneratorModuleLabel);
auto const& mclist = *e.getValidHandle<std::vector<simb::MCTruth>>(fGeneratorModuleLabel);
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// If no neutrinos in this event, gives 0 weight;
int NUni = fParameterSet.fNuniverses;
Expand Down Expand Up @@ -264,8 +264,8 @@ namespace sbn {
}

// Collect neutrino energy; mclist is replaced with fluxlist.
// double enu= mclist[inu].GetNeutrino().Nu().E();
double enu= fluxlist[inu].fnenergyn;
if ( enu == -1 ) enu= mclist[inu].GetNeutrino().Nu().E(); //For MeVPrtl generator, not all MCFlux result in a neutrino, so equivalent neutrino energy is computed and saved as MCTruth
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//Let's make a weights based on the calculator you have requested

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