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adjust weight for multiple hadronization also for HepMC GenEvent #7094

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merged 1 commit into from Jan 8, 2015
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adjust weight for multiple hadronization also for HepMC GenEvent #7094

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8 changes: 7 additions & 1 deletion GeneratorInterface/Core/interface/HadronizerFilter.h
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Expand Up @@ -260,9 +260,15 @@ namespace edm

//adjust event weights if necessary (in case input event was attempted multiple times)
if (nAttempts_>1) {
double multihadweight = double(naccept)/double(nAttempts_);

//adjust weight for GenEventInfoProduct
std::vector<double> genEventInfoWeights = finalGenEventInfo->weights();
genEventInfoWeights.push_back(double(naccept)/double(nAttempts_));
genEventInfoWeights.push_back(multihadweight);
finalGenEventInfo->setWeights(genEventInfoWeights);

//adjust weight for HepMC GenEvent (used e.g for RIVET)
finalEvent->weights().push_back(multihadweight);
}


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