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[PWGCF] FemtoUniverse: Add approx. fractionTPCsCls in closed-pairs #15556

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Merged
prchakra merged 2 commits into from
Mar 28, 2026
+10 −0
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[PWGCF] FemtoUniverse: Add approx. fractionTPCsCls in closed-pairs #15556

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eff6f5a
FemtoUniverse: Add approx. fractionTPCsCls in closed-pairs
prchakra Mar 28, 2026
7764006
Fix bug
prchakra Mar 28, 2026
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10 changes: 10 additions & 0 deletions PWGCF/FemtoUniverse/Tasks/femtoUniversePairTaskTrackTrackSpherHarMultKtExtended.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,7 @@ struct femtoUniversePairTaskTrackTrackSpherHarMultKtExtended {
Configurable<std::vector<float>> confCPRdeltaEtaCutMaxVector{"confCPRdeltaEtaCutMaxVector", std::vector<float>{0.0, 0.0, 0.0, 0.0}, "Delta Eta max cut for Close Pair Rejection"};
Configurable<std::vector<float>> confCPRdeltaEtaCutMinVector{"confCPRdeltaEtaCutMinVector", std::vector<float>{0.0, 0.0, 0.0, 0.0}, "Delta Eta min cut for Close Pair Rejection"};
Configurable<bool> confIsCPRkT{"confIsCPRkT", true, "kT dependent deltaEta-deltaPhi cut for Close Pair Rejection"};
Configurable<float> confPairFracSharedTPCcls{"confPairFracSharedTPCcls", 1.0, "Max. fraction of TPC shared clusters between two closed tracks"};
Configurable<float> confCPRChosenRadii{"confCPRChosenRadii", 0.80, "Delta Eta cut for Close Pair Rejection"};
Configurable<bool> confUseCCImCut{"confUseCCImCut", false, "Fill SH within specific quadrants of qout-qside"};
Configurable<float> confMinqTcut{"confMinqTcut", 0.005, "Min. qT cut on filling SH"};
Expand Down Expand Up @@ -542,6 +543,10 @@ struct femtoUniversePairTaskTrackTrackSpherHarMultKtExtended {

if (kT < firstRealElement || kT > lastElement)
continue;
float pairFractionTPCsCls = static_cast<float>((p1.tpcNClsShared() + p2.tpcNClsShared())) / static_cast<float>((p1.tpcNClsFound() + p2.tpcNClsFound()));
if (pairFractionTPCsCls > twotracksconfigs.confPairFracSharedTPCcls.value) {
continue;
}

if (twotracksconfigs.confIsCPR.value) {
if (twotracksconfigs.confCPRFracMax.value) {
Expand Down Expand Up @@ -585,6 +590,11 @@ struct femtoUniversePairTaskTrackTrackSpherHarMultKtExtended {
if (kT < firstRealElement || kT > lastElement)
continue;

float pairFractionTPCsCls = static_cast<float>((p1.tpcNClsShared() + p2.tpcNClsShared())) / static_cast<float>((p1.tpcNClsFound() + p2.tpcNClsFound()));
if (pairFractionTPCsCls > twotracksconfigs.confPairFracSharedTPCcls.value) {
continue;
}

double rand;
rand = randgen->Rndm();

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