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[PWGLF] added different centrality estimators #12584

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Merged
romainschotter merged 4 commits into from
Aug 16, 2025
Merged

[PWGLF] added different centrality estimators #12584

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94e5e7b
removed the cuts on findable clusters
Aug 14, 2025
4543138
updated
Aug 14, 2025
6a7a792
added different centrality estimators
Aug 16, 2025
9cac2d0
initialised cent
Aug 16, 2025
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24 changes: 14 additions & 10 deletions PWGLF/Tasks/Strangeness/lambdapolsp.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@
#include <cmath>
#include <cstdlib>
#include <deque>
#include <iostream>

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[include-iostream] 

Do not include iostream. Use O2 logging instead.
#include <iterator>
#include <set> // <<< CHANGED: for dedup sets
#include <string>
Expand Down Expand Up @@ -142,8 +142,8 @@
Configurable<float> ConfDaughEta{"ConfDaughEta", 0.8f, "V0 Daugh sel: max eta"};
Configurable<float> cfgDaughPrPt{"cfgDaughPrPt", 0.4, "minimum daughter proton pt"};
Configurable<float> cfgDaughPiPt{"cfgDaughPiPt", 0.2, "minimum daughter pion pt"};
Configurable<float> rcrfc{"rcrfc", 0.8f, "Ratio of CR to FC"};
Configurable<float> ConfDaughTPCnclsMin{"ConfDaughTPCnclsMin", 50.f, "V0 Daugh sel: Min. nCls TPC"};
// Configurable<float> rcrfc{"rcrfc", 0.8f, "Ratio of CR to FC"};
// Configurable<float> ConfDaughTPCnclsMin{"ConfDaughTPCnclsMin", 50.f, "V0 Daugh sel: Min. nCls TPC"};
Configurable<float> ConfDaughPIDCuts{"ConfDaughPIDCuts", 3, "PID selections for Lambda daughters"};
Configurable<bool> usesubdet{"usesubdet", false, "use subdet"};
Configurable<bool> useAccCorr{"useAccCorr", false, "use acceptance correction"};
Expand Down Expand Up @@ -428,12 +428,12 @@
template <typename Collision, typename V0>
bool SelectionV0(Collision const& collision, V0 const& candidate)
{
if (TMath::Abs(candidate.dcav0topv()) > cMaxV0DCA) {

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[root/entity] 

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return false;
}
const float pT = candidate.pt();
const float tranRad = candidate.v0radius();
const float dcaDaughv0 = TMath::Abs(candidate.dcaV0daughters());

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[root/entity] 

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const float cpav0 = candidate.v0cosPA();

float CtauLambda = candidate.distovertotmom(collision.posX(), collision.posY(), collision.posZ()) * massLambda;
Expand All @@ -456,16 +456,16 @@
if (tranRad > ConfV0TranRadV0Max) {
return false;
}
if (analyzeLambda && TMath::Abs(CtauLambda) > cMaxV0LifeTime) {

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[root/entity] 

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return false;
}
if (analyzeK0s && TMath::Abs(CtauK0s) > cMaxV0LifeTime) {

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return false;
}
if (analyzeLambda && TMath::Abs(candidate.yLambda()) > ConfV0Rap) {

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[root/entity] 

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return false;
}
if (analyzeK0s && TMath::Abs(candidate.yK0Short()) > ConfV0Rap) {

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[root/entity] 

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return false;
}
return true;
Expand All @@ -483,17 +483,18 @@
/*if (TMath::Abs(eta) > ConfDaughEta) {
return false;
}*/
/*
if (tpcNClsF < ConfDaughTPCnclsMin) {
return false;
}
if (track.tpcCrossedRowsOverFindableCls() < rcrfc) {
return false;
}
}*/

if (pid == 0 && TMath::Abs(track.tpcNSigmaPr()) > ConfDaughPIDCuts) {

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return false;
}
if (pid == 1 && TMath::Abs(track.tpcNSigmaPi()) > ConfDaughPIDCuts) {

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[root/entity] 

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return false;
}
if (pid == 0 && (candidate.positivept() < cfgDaughPrPt || candidate.negativept() < cfgDaughPiPt)) {
Expand All @@ -506,7 +507,7 @@
return false;
}

if (pid2 == 0 && (TMath::Abs(candidate.dcapostopv()) < cMinV0DCAPr || TMath::Abs(candidate.dcanegtopv()) < cMinV0DCAPi)) {

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[root/entity] 

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return false;
}
if (pid2 == 1 && (TMath::Abs(candidate.dcapostopv()) < cMinV0DCAPi || TMath::Abs(candidate.dcanegtopv()) < cMinV0DCAPr)) {
Expand Down Expand Up @@ -541,13 +542,14 @@
if (posTrackExtra.tpcNClsCrossedRows() < cfgTPCcluster || negTrackExtra.tpcNClsCrossedRows() < cfgTPCcluster) {
return false;
}
/*
if (posTrackExtra.tpcNClsFound() < ConfDaughTPCnclsMin || negTrackExtra.tpcNClsFound() < ConfDaughTPCnclsMin) {
return false;
}
if (posTrackExtra.tpcCrossedRowsOverFindableCls() < rcrfc || negTrackExtra.tpcCrossedRowsOverFindableCls() < rcrfc) {
return false;
}

*/
// check TPC PID
if (pid == 0 && ((std::abs(posTrackExtra.tpcNSigmaPr()) > ConfDaughPIDCuts) || (std::abs(negTrackExtra.tpcNSigmaPi()) > ConfDaughPIDCuts))) {
return false;
Expand Down Expand Up @@ -587,12 +589,14 @@
if (posTrackExtra.tpcNClsCrossedRows() < cfgTPCcluster || negTrackExtra.tpcNClsCrossedRows() < cfgTPCcluster) {
return false;
}
if (posTrackExtra.tpcNClsFound() < ConfDaughTPCnclsMin || negTrackExtra.tpcNClsFound() < ConfDaughTPCnclsMin) {
return false;
}
if (posTrackExtra.tpcCrossedRowsOverFindableCls() < rcrfc || negTrackExtra.tpcCrossedRowsOverFindableCls() < rcrfc) {
return false;
}
/*
if (posTrackExtra.tpcNClsFound() < ConfDaughTPCnclsMin || negTrackExtra.tpcNClsFound() < ConfDaughTPCnclsMin) {
return false;
}
if (posTrackExtra.tpcCrossedRowsOverFindableCls() < rcrfc || negTrackExtra.tpcCrossedRowsOverFindableCls() < rcrfc) {
return false;
}
*/
// check TPC PID
if (((std::abs(posTrackExtra.tpcNSigmaPi()) > ConfDaughPIDCuts) || (std::abs(negTrackExtra.tpcNSigmaPi()) > ConfDaughPIDCuts))) {
return false;
Expand Down
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