Common/Core: add check in getCharmHadronOrigin to reject in case of first mother parton #7074
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…irst mother parton
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…irst mother parton (AliceO2Group#7074)
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…irst mother parton (AliceO2Group#7074)
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…irst mother parton (AliceO2Group#7074)
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This PR adds a check in
RecoDecay::getCharmHadronOriginthat returns immediately if a parton is found as first mother in case ofsearchUpToQuark == false. In fact, no beauty hadron can decay to a parton, so if a parton is found as mother it means that the charm hadron doesn't come from a beauty-hadron decay. If it comes from a beauty-hadron decays in fact, the function will return before finding the first parton mother.This is very important for the analysis of Pb-Pb MCs, since the analysis code is very slow otherwise.