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SwatiSaha-1997 merged 1 commit into from
Apr 23, 2026
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[PWGCF] Tables for Volume fluctuations #15949

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85 changes: 85 additions & 0 deletions PWGCF/EbyEFluctuations/Tasks/netprotcumulants.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,41 @@
using namespace o2::framework;
using namespace o2::framework::expressions;

namespace o2::aod
{

// ===== Event columns =====
DECLARE_SOA_COLUMN(EventId, eventId, int);
DECLARE_SOA_COLUMN(MyCent, myCent, float);
DECLARE_SOA_COLUMN(Vz, vz, float);
DECLARE_SOA_COLUMN(Ntrk, ntrk, int);
DECLARE_SOA_COLUMN(Np, np, int);
DECLARE_SOA_COLUMN(Npbar, npbar, int);

// ===== Track columns =====
DECLARE_SOA_COLUMN(Pt, pt, float);
DECLARE_SOA_COLUMN(Eta, eta, float);
DECLARE_SOA_COLUMN(Pid, pid, int);
DECLARE_SOA_COLUMN(Eff, eff, float);

// ===== Tables =====
DECLARE_SOA_TABLE(EventTable, "AOD", "MYEVENT",
EventId,
MyCent,
Vz,
Ntrk,
Np,
Npbar);

DECLARE_SOA_TABLE(MYTrackTable, "AOD", "MYTRACK",
EventId,
Pt,
Eta,
Pid,
Eff);

} // namespace o2::aod

struct NetProtCumulants {
// events
Configurable<float> cfgCutVertex{"cfgCutVertex", 10.0f, "Accepted z-vertex range"};
Expand Down Expand Up @@ -110,6 +145,26 @@

HistogramRegistry histos{"Histos", {}, OutputObjHandlingPolicy::AnalysisObject};

Produces<aod::EventTable> eventTable;
Produces<aod::MYTrackTable> trackTable;

int eventCounter = 0;
int eventId = 0;

// event variables
int Ntrk_event = 0;
int Np_event = 0;
int Npbar_event = 0;

float cent_event = 0;
float vz_event = 0;

// track variables
float pt_track = 0;
float eta_track = 0;
int pid_track = 0;
float eff_track = 0;

TRandom3* fRndm = new TRandom3(0);

// Eff histograms 2d: eff(pT, eta)
Expand All @@ -120,7 +175,7 @@

// Filter command for rec (data)***********
Filter collisionFilter = nabs(aod::collision::posZ) < cfgCutVertex;
Filter trackFilter = (nabs(aod::track::eta) < cfgCutEta) && (aod::track::pt > cfgCutPtLower) && (aod::track::pt < 5.0f) && ((requireGlobalTrackInFilter()) || (aod::track::isGlobalTrackSDD == (uint8_t)true)) && (aod::track::tpcChi2NCl < cfgCutTpcChi2NCl) && (aod::track::itsChi2NCl < cfgCutItsChi2NCl) && (nabs(aod::track::dcaZ) < cfgCutDCAz) && (nabs(aod::track::dcaXY) < cfgCutDCAxy);

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

// filtering collisions and tracks for real data***********
using AodCollisions = soa::Filtered<soa::Join<aod::Collisions, aod::EvSels, aod::CentFV0As, aod::CentFT0Ms, aod::CentFT0As, aod::CentFT0Cs, aod::CentFDDMs>>;
Expand Down Expand Up @@ -855,6 +910,7 @@
if (cfgUsePtDepDCAz) {
fPtDepDCAz = new TF1("ptDepDCAz", cfgDCAzFunc->c_str(), 0.001, 10.0);
}

} // end init()

template <typename T>
Expand All @@ -867,22 +923,22 @@
//! ----------------------------------------------------------------------
int flag = 0; //! pid check main flag

if (candidate.pt() > 0.2f && candidate.pt() <= cfgCutPtUpperTPC) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
if (std::abs(candidate.tpcNSigmaPr()) < cfgnSigmaCutTPC) {
flag = 1;
}
}
if (candidate.hasTOF() && candidate.pt() > cfgCutPtUpperTPC && candidate.pt() < 5.0f) {

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const float combNSigmaPr = std::sqrt(std::pow(candidate.tpcNSigmaPr(), 2.0) + std::pow(candidate.tofNSigmaPr(), 2.0));
const float combNSigmaPi = std::sqrt(std::pow(candidate.tpcNSigmaPi(), 2.0) + std::pow(candidate.tofNSigmaPi(), 2.0));
const float combNSigmaKa = std::sqrt(std::pow(candidate.tpcNSigmaKa(), 2.0) + std::pow(candidate.tofNSigmaKa(), 2.0));

int flag2 = 0;
if (combNSigmaPr < 3.0)

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flag2 += 1;
if (combNSigmaPi < 3.0)

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flag2 += 1;
if (combNSigmaKa < 3.0)

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flag2 += 1;
if (!(flag2 > 1) && !(combNSigmaPr > combNSigmaPi) && !(combNSigmaPr > combNSigmaKa)) {
if (combNSigmaPr < cfgnSigmaCutCombTPCTOF) {
Expand All @@ -906,7 +962,7 @@
//! ----------------------------------------------------------------------
int flag = 0; //! pid check main flag

if (candidate.pt() > 0.2f && candidate.pt() <= cfgCutPtUpperTPC) {

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if (!candidate.hasTOF() && std::abs(candidate.tpcNSigmaPr()) < cfgnSigmaCutTPC) {
flag = 1;
}
Expand All @@ -914,15 +970,15 @@
flag = 1;
}
}
if (candidate.hasTOF() && candidate.pt() > cfgCutPtUpperTPC && candidate.pt() < 5.0f) {

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const float combNSigmaPr = std::sqrt(std::pow(candidate.tpcNSigmaPr(), 2.0) + std::pow(candidate.tofNSigmaPr(), 2.0));
const float combNSigmaPi = std::sqrt(std::pow(candidate.tpcNSigmaPi(), 2.0) + std::pow(candidate.tofNSigmaPi(), 2.0));
const float combNSigmaKa = std::sqrt(std::pow(candidate.tpcNSigmaKa(), 2.0) + std::pow(candidate.tofNSigmaKa(), 2.0));

int flag2 = 0;
if (combNSigmaPr < 3.0)

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flag2 += 1;
if (combNSigmaPi < 3.0)

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flag2 += 1;
if (combNSigmaKa < 3.0)
flag2 += 1;
Expand Down Expand Up @@ -2134,6 +2190,18 @@

void processDataRec(AodCollisions::iterator const& coll, aod::BCsWithTimestamps const&, AodTracks const& inputTracks)
{

// reset per event
Ntrk_event = 0;
Np_event = 0;
Npbar_event = 0;

// assign event ID
eventId = eventCounter++;

// store event info
cent_event = coll.centFT0C();
vz_event = coll.posZ();
if (!coll.sel8()) {
return;
}
Expand Down Expand Up @@ -2263,6 +2331,7 @@
if (cfgIfMandatoryTOF && !track.hasTOF()) {
continue;
}
Ntrk_event++;

bool trackSelected = false;
if (cfgPIDchoice == 0)
Expand Down Expand Up @@ -2293,11 +2362,18 @@

if (track.pt() < cfgCutPtUpper) {
nProt = nProt + 1.0;
Np_event++;
float pEff = getEfficiency(track); // get efficiency of track
if (pEff != 0) {
for (int i = 1; i < 7; i++) {
powerEffProt[i] += std::pow(1.0 / pEff, i);
}
pt_track = track.pt();
eta_track = track.eta();
pid_track = +1;
eff_track = pEff;

trackTable(eventId, pt_track, eta_track, pid_track, eff_track);
}
}
}
Expand All @@ -2311,18 +2387,27 @@
histos.fill(HIST("hrecDcaZAntiproton"), track.dcaZ());
if (track.pt() < cfgCutPtUpper) {
nAntiprot = nAntiprot + 1.0;
Npbar_event++;
float pEff = getEfficiency(track); // get efficiency of track
if (pEff != 0) {
for (int i = 1; i < 7; i++) {
powerEffAntiprot[i] += std::pow(1.0 / pEff, i);
}
pt_track = track.pt();
eta_track = track.eta();
pid_track = -1;
eff_track = pEff;

trackTable(eventId, pt_track, eta_track, pid_track, eff_track);
}
}
}

} //! checking PID
} //! end track loop

eventTable(eventId, cent_event, vz_event, Ntrk_event, Np_event, Npbar_event);

float netProt = nProt - nAntiprot;
float nTracks = nProt + nAntiprot;
histos.fill(HIST("hNTracksVsCent"), cent, nTracks);
Expand Down
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