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[PWGCF] Addition of switch for PID exclusion criteria #14900

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[PWGCF] Addition of switch for PID exclusion criteria #14900

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c50bb73
Added switch for PID exclusion criteria
Feb 10, 2026
33954ba
Merge branch 'AliceO2Group:master' into master
Preet-Bhanjan Feb 10, 2026
eafe0e6
Please consider the following formatting changes
alibuild Feb 10, 2026
8ecd0f1
Merge pull request #36 from alibuild/alibot-cleanup-14900
Preet-Bhanjan Feb 10, 2026
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3 changes: 2 additions & 1 deletion PWGCF/TwoParticleCorrelations/Tasks/pidDiHadron.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -119,6 +119,7 @@ struct PidDiHadron {
O2_DEFINE_CONFIGURABLE(cfgPIDParticle, int, 0, "1 = pion, 2 = kaon, 3 = proton, 4 = kshort, 5 = lambda, 6 = phi, 0 for no PID")
O2_DEFINE_CONFIGURABLE(cfgGetNsigmaQA, bool, true, "Get QA histograms for selection of pions, kaons, and protons")
O2_DEFINE_CONFIGURABLE(cfgUseAntiLambda, bool, true, "Use AntiLambda candidates for analysis")
O2_DEFINE_CONFIGURABLE(cfgPIDUseRejection, bool, true, "Turn off and on the exclusion criteria for PID determination")

struct : ConfigurableGroup {
O2_DEFINE_CONFIGURABLE(cfgMultCentHighCutFunction, std::string, "[0] + [1]*x + [2]*x*x + [3]*x*x*x + [4]*x*x*x*x + 10.*([5] + [6]*x + [7]*x*x + [8]*x*x*x + [9]*x*x*x*x)", "Functional for multiplicity correlation cut");
Expand Down Expand Up @@ -671,7 +672,7 @@ struct PidDiHadron {
isProton = isDetectedProton;
}

if ((isPion && isKaon) || (isPion && isProton) || (isKaon && isProton)) {
if (cfgPIDUseRejection && ((isPion && isKaon) || (isPion && isProton) || (isKaon && isProton))) {
return -1; // more than one particle satisfy the criteria
}

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