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[PWGCF] add configurable phimod cut function #12822

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Merged
shouqiye merged 1 commit into from
Sep 2, 2025
Merged

[PWGCF] add configurable phimod cut function #12822

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9 changes: 6 additions & 3 deletions PWGCF/Flow/Tasks/flowTask.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,9 @@ struct FlowTask {
O2_DEFINE_CONFIGURABLE(cfgRejectionTPCsectorOverlap, bool, false, "rejection for TPC sector overlap")
O2_DEFINE_CONFIGURABLE(cfgMagnetField, std::string, "GLO/Config/GRPMagField", "CCDB path to Magnet field object")
ConfigurableAxis axisPhiMod{"axisPhiMod", {100, 0, constants::math::PI / 9}, "fmod(#varphi,#pi/9)"};
O2_DEFINE_CONFIGURABLE(cfgTPCPhiCutLowCutFunction, std::string, "0.1/x-0.005", "Function for TPC mod phi-pt cut");
O2_DEFINE_CONFIGURABLE(cfgTPCPhiCutHighCutFunction, std::string, "0.1/x+0.01", "Function for TPC mod phi-pt cut");
O2_DEFINE_CONFIGURABLE(cfgTPCPhiCutPtMin, float, 2.0f, "start point of phi-pt cut")
TF1* fPhiCutLow = nullptr;
TF1* fPhiCutHigh = nullptr;
} cfgFuncParas;
Expand Down Expand Up @@ -512,8 +515,8 @@ struct FlowTask {
}

if (cfgFuncParas.cfgShowTPCsectorOverlap) {
cfgFuncParas.fPhiCutLow = new TF1("fPhiCutLow", "0.06/x+pi/18.0-0.06", 0, 100);
cfgFuncParas.fPhiCutHigh = new TF1("fPhiCutHigh", "0.1/x+pi/18.0+0.06", 0, 100);
cfgFuncParas.fPhiCutLow = new TF1("fPhiCutLow", cfgFuncParas.cfgTPCPhiCutLowCutFunction->c_str(), 0, 100);
cfgFuncParas.fPhiCutHigh = new TF1("fPhiCutHigh", cfgFuncParas.cfgTPCPhiCutHighCutFunction->c_str(), 0, 100);
}

if (cfgTrackDensityCorrUse) {
Expand Down Expand Up @@ -781,7 +784,7 @@ struct FlowTask {
phimodn = fmod(phimodn, o2::constants::math::TwoPI / 9.0);
registry.fill(HIST("pt_phi_bef"), track.pt(), phimodn);
if (cfgFuncParas.cfgRejectionTPCsectorOverlap) {
if (phimodn < cfgFuncParas.fPhiCutHigh->Eval(track.pt()) && phimodn > cfgFuncParas.fPhiCutLow->Eval(track.pt()))
if (track.pt() >= cfgFuncParas.cfgTPCPhiCutPtMin && phimodn < cfgFuncParas.fPhiCutHigh->Eval(track.pt()) && phimodn > cfgFuncParas.fPhiCutLow->Eval(track.pt()))
return false; // reject track
}
registry.fill(HIST("pt_phi_aft"), track.pt(), phimodn);
Expand Down
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