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[PWGCF] use different polynomial for fitting multiplicity correlation plots #13199

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Merged
victor-gonzalez merged 3 commits into from
Oct 1, 2025
Merged

[PWGCF] use different polynomial for fitting multiplicity correlation plots #13199

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6fa3e58
added histograms for multiplicity correlation plots
nidamalikk Sep 28, 2025
4fda1aa
use different polynomial for fitting multiplicity correlation plots
nidamalikk Oct 1, 2025
e18f2f8
use different polynomial for fitting multiplicity correlation plots
nidamalikk Oct 1, 2025
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12 changes: 6 additions & 6 deletions PWGCF/EbyEFluctuations/Tasks/netchargeFluctuations.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -113,18 +113,18 @@ struct NetchargeFluctuations {

O2_DEFINE_CONFIGURABLE(cfgMultPVT0CCutEnabled, bool, true, "Enable PV multiplicity vs T0C centrality cut")
O2_DEFINE_CONFIGURABLE(cfgMultGlobalFT0CCutEnabled, bool, true, "Enable globalTracks vs FT0C multiplicity cut")
O2_DEFINE_CONFIGURABLE(cfgMultGlobalPVCutEnabled, bool, false, "Enable globalTracks vs PV multiplicity cut")
O2_DEFINE_CONFIGURABLE(cfgMultGlobalPVCutEnabled, bool, true, "Enable globalTracks vs PV multiplicity cut")

Configurable<std::vector<double>> cfgMultPVT0CCutPars{"cfgMultPVT0CCutPars",
std::vector<double>{187.621, -5.14575, 0.0716601, -0.000586642, 2.02818e-06, 51.2929, -1.66644, 0.0354762, -0.000389809, 1.55365e-06},
std::vector<double>{30.434, -0.917137, 0.0185032, -0.000198425, 7.94381e-07, 13.7406, -0.282656, 0.00556147, -6.32766e-05, 2.51648e-07},
"PV multiplicity vs T0C centrality cut parameter values"};

Configurable<std::vector<double>> cfgMultGlobalFT0CCutPars{"cfgMultGlobalFT0CCutPars",
std::vector<double>{135.561, -3.7818, 0.0536562, -0.000445155, 1.55429e-06, 38.2336, -1.2568, 0.0270932, -0.000301034, 1.21234e-06},
std::vector<double>{18.9628, -0.576466, 0.0117324, -0.000126086, 5.05365e-07, 8.99921, -0.188022, 0.0037089, -4.20275e-05, 1.68234e-07},
"globalTracks vs FT0C cut parameter values"};

Configurable<std::vector<double>> cfgMultGlobalPVCutPars{"cfgMultGlobalPVCutPars",
std::vector<double>{100., -2., 0.05, -0.0003, 1e-06, 30., -1.0, 0.02, -0.0002, 8e-07},
std::vector<double>{0.148031, 0.616699, 0.603083, 0.112751, -0.0013846, 8.38211e-06},
"globalTracks vs PV cut parameter values"};

std::vector<double> multPVT0CCutPars;
Expand Down Expand Up @@ -354,13 +354,13 @@ struct NetchargeFluctuations {

cfgFunCoeff.fMultGlobalPVCutLow =
new TF1("fMultGlobalPVCutLow",
"[0] + [1]*x - 5.*([2] + [3]*x)",
"[0]+[1]*x - 3.5*([2]+[3]*x+[4]*x*x+[5]*x*x*x)",
0, 100);
cfgFunCoeff.fMultGlobalPVCutLow->SetParameters(&(cfgFunCoeff.multGlobalPVCutPars[0]));

cfgFunCoeff.fMultGlobalPVCutHigh =
new TF1("fMultGlobalPVCutHigh",
"[0] + [1]*x + 5.*([2] + [3]*x)",
"[0]+[1]*x + 3.5*([2]+[3]*x+[4]*x*x+[5]*x*x*x)",
0, 100);
cfgFunCoeff.fMultGlobalPVCutHigh->SetParameters(&(cfgFunCoeff.multGlobalPVCutPars[0]));

Expand Down
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