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blacwovie merged 1 commit into from
Jun 6, 2025
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Please consider the following formatting changes to #11496 #15

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119 changes: 61 additions & 58 deletions PWGCF/Femto/TableProducer/PiDeuteronFemto.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -18,12 +18,12 @@
#include <TH1F.h>
#include <TDirectory.h>
#include <THn.h>
#include <TLorentzVector.h>

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
#include <TMath.h>
#include <TObjArray.h>
#include <TFile.h>
#include <TH2F.h>
#include <TLorentzVector.h>

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.

#include <cmath>
#include <string>
Expand Down Expand Up @@ -224,35 +224,33 @@

HistogramRegistry mQaRegistry{
"QA",
{
{"hVtxZ", "Vertex distribution in Z;Z (cm)", {HistType::kTH1F, {{400, -20.0, 20.0}}}},
{"hNcontributor", "Number of primary vertex contributor", {HistType::kTH1F, {{2000, 0.0f, 2000.0f}}}},
{"hTrackSel", "Accepted tracks", {HistType::kTH1F, {{Selections::kAll, -0.5, static_cast<double>(Selections::kAll) - 0.5}}}},
{"hEvents", "; Events;", {HistType::kTH1F, {{3, -0.5, 2.5}}}},
{"hEmptyPool", "svPoolCreator did not find track pairs false/true", {HistType::kTH1F, {{2, -0.5, 1.5}}}},
{"hdcaxyDe", ";DCA_{xy} (cm)", {HistType::kTH1F, {{200, -1.0f, 1.0f}}}},
{"hdcazDe", ";DCA_{z} (cm)", {HistType::kTH1F, {{200, -1.0f, 1.0f}}}},
{"hNClsDeITS", ";N_{ITS} Cluster", {HistType::kTH1F, {{20, -10.0f, 10.0f}}}},
{"hNClsPiITS", ";N_{ITS} Cluster", {HistType::kTH1F, {{20, -10.0f, 10.0f}}}},
{"hDePitInvMass", "; M(De + p) (GeV/#it{c}^{2})", {HistType::kTH1F, {{300, 3.74f, 4.34f}}}},
{"hDePt", "#it{p}_{T} distribution; #it{p}_{T} (GeV/#it{c})", {HistType::kTH1F, {{240, -6.0f, 6.0f}}}},
{"hPiPt", "Pt distribution; #it{p}_{T} (GeV/#it{c})", {HistType::kTH1F, {{120, -3.0f, 3.0f}}}},
{"h2dEdxDecandidates", "dEdx distribution; #it{p} (GeV/#it{c}); dE/dx (a.u.)", {HistType::kTH2F, {{200, -5.0f, 5.0f}, {100, 0.0f, 2000.0f}}}},
{"h2NsigmaDeTPC", "NsigmaDe TPC distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TPC}(De)", {HistType::kTH2F, {{20, -5.0f, 5.0f}, {200, -5.0f, 5.0f}}}},
{"h2NsigmaDeTPC_preselection", "NsigmaDe TPC distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TPC}(De)", {HistType::kTH2F, {{100, -5.0f, 5.0f}, {400, -10.0f, 10.0f}}}},
{"h2NsigmaDeTPC_preselecComp", "NsigmaDe TPC distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TPC}(De)", {HistType::kTH2F, {{100, -5.0f, 5.0f}, {400, -10.0f, 10.0f}}}},
{"h2NSigmaDeITS_preselection", "NsigmaDe ITS distribution; signed #it{p}_{T} (GeV/#it{c}); n#sigma_{ITS} De", {HistType::kTH2F, {{50, -5.0f, 5.0f}, {120, -3.0f, 3.0f}}}},
{"h2NSigmaDeITS", "NsigmaDe ITS distribution; signed #it{p}_{T} (GeV/#it{c}); n#sigma_{ITS} De", {HistType::kTH2F, {{50, -5.0f, 5.0f}, {120, -3.0f, 3.0f}}}},
{"h2NsigmaPiTPC", "NsigmaPi TPC distribution; #it{p}_{T}(GeV/#it{c}); n#sigma_{TPC}(p)", {HistType::kTH2F, {{20, -5.0f, 5.0f}, {200, -5.0f, 5.0f}}}},
{"h2NsigmaPiTPC_preselection", "NsigmaDe TPC distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TPC}(De)", {HistType::kTH2F, {{100, -5.0f, 5.0f}, {400, -10.0f, 10.0f}}}},
{"h2NsigmaPiTOF", "NsigmaPi TOF distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TOF}(p)", {HistType::kTH2F, {{20, -5.0f, 5.0f}, {200, -5.0f, 5.0f}}}},
{"h2NsigmaPiTOF_preselection", "NsigmaPi TOF distribution; #iit{p}_{T} (GeV/#it{c}); n#sigma_{TOF}(p)", {HistType::kTH2F, {{100, -5.0f, 5.0f}, {400, -10.0f, 10.0f}}}},
{"hkStar_LS_M", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hkStar_LS_A", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hkStar_US_M", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hkStar_US_A", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hisBkgEM", "; isBkgEM;", {HistType::kTH1F, {{3, -1, 2}}}}
},
{{"hVtxZ", "Vertex distribution in Z;Z (cm)", {HistType::kTH1F, {{400, -20.0, 20.0}}}},
{"hNcontributor", "Number of primary vertex contributor", {HistType::kTH1F, {{2000, 0.0f, 2000.0f}}}},
{"hTrackSel", "Accepted tracks", {HistType::kTH1F, {{Selections::kAll, -0.5, static_cast<double>(Selections::kAll) - 0.5}}}},
{"hEvents", "; Events;", {HistType::kTH1F, {{3, -0.5, 2.5}}}},
{"hEmptyPool", "svPoolCreator did not find track pairs false/true", {HistType::kTH1F, {{2, -0.5, 1.5}}}},
{"hdcaxyDe", ";DCA_{xy} (cm)", {HistType::kTH1F, {{200, -1.0f, 1.0f}}}},
{"hdcazDe", ";DCA_{z} (cm)", {HistType::kTH1F, {{200, -1.0f, 1.0f}}}},
{"hNClsDeITS", ";N_{ITS} Cluster", {HistType::kTH1F, {{20, -10.0f, 10.0f}}}},
{"hNClsPiITS", ";N_{ITS} Cluster", {HistType::kTH1F, {{20, -10.0f, 10.0f}}}},
{"hDePitInvMass", "; M(De + p) (GeV/#it{c}^{2})", {HistType::kTH1F, {{300, 3.74f, 4.34f}}}},
{"hDePt", "#it{p}_{T} distribution; #it{p}_{T} (GeV/#it{c})", {HistType::kTH1F, {{240, -6.0f, 6.0f}}}},
{"hPiPt", "Pt distribution; #it{p}_{T} (GeV/#it{c})", {HistType::kTH1F, {{120, -3.0f, 3.0f}}}},
{"h2dEdxDecandidates", "dEdx distribution; #it{p} (GeV/#it{c}); dE/dx (a.u.)", {HistType::kTH2F, {{200, -5.0f, 5.0f}, {100, 0.0f, 2000.0f}}}},
{"h2NsigmaDeTPC", "NsigmaDe TPC distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TPC}(De)", {HistType::kTH2F, {{20, -5.0f, 5.0f}, {200, -5.0f, 5.0f}}}},
{"h2NsigmaDeTPC_preselection", "NsigmaDe TPC distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TPC}(De)", {HistType::kTH2F, {{100, -5.0f, 5.0f}, {400, -10.0f, 10.0f}}}},
{"h2NsigmaDeTPC_preselecComp", "NsigmaDe TPC distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TPC}(De)", {HistType::kTH2F, {{100, -5.0f, 5.0f}, {400, -10.0f, 10.0f}}}},
{"h2NSigmaDeITS_preselection", "NsigmaDe ITS distribution; signed #it{p}_{T} (GeV/#it{c}); n#sigma_{ITS} De", {HistType::kTH2F, {{50, -5.0f, 5.0f}, {120, -3.0f, 3.0f}}}},
{"h2NSigmaDeITS", "NsigmaDe ITS distribution; signed #it{p}_{T} (GeV/#it{c}); n#sigma_{ITS} De", {HistType::kTH2F, {{50, -5.0f, 5.0f}, {120, -3.0f, 3.0f}}}},
{"h2NsigmaPiTPC", "NsigmaPi TPC distribution; #it{p}_{T}(GeV/#it{c}); n#sigma_{TPC}(p)", {HistType::kTH2F, {{20, -5.0f, 5.0f}, {200, -5.0f, 5.0f}}}},
{"h2NsigmaPiTPC_preselection", "NsigmaDe TPC distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TPC}(De)", {HistType::kTH2F, {{100, -5.0f, 5.0f}, {400, -10.0f, 10.0f}}}},
{"h2NsigmaPiTOF", "NsigmaPi TOF distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TOF}(p)", {HistType::kTH2F, {{20, -5.0f, 5.0f}, {200, -5.0f, 5.0f}}}},
{"h2NsigmaPiTOF_preselection", "NsigmaPi TOF distribution; #iit{p}_{T} (GeV/#it{c}); n#sigma_{TOF}(p)", {HistType::kTH2F, {{100, -5.0f, 5.0f}, {400, -10.0f, 10.0f}}}},
{"hkStar_LS_M", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hkStar_LS_A", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hkStar_US_M", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hkStar_US_A", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hisBkgEM", "; isBkgEM;", {HistType::kTH1F, {{3, -1, 2}}}}},
OutputObjHandlingPolicy::AnalysisObject,
false,
true};
Expand Down Expand Up @@ -701,33 +699,34 @@
mQaRegistry.fill(HIST("hisBkgEM"), piDecand.isBkgEM);
}

double computePrTPCnsig(double InnerParamTPCHad, double SignalTPCHad){
double computePrTPCnsig(double InnerParamTPCHad, double SignalTPCHad)
{
double m_BBparamsProton[6] = {-54.42066571222577, 0.2857381250239097, 1.247140602468868, 0.6297483918147729, 2.985438833884555, 0.09};
float TPCinnerParam = InnerParamTPCHad;
float expTPCSignal = o2::tpc::BetheBlochAleph((TPCinnerParam / 0.9382721), m_BBparamsProton[0], m_BBparamsProton[1], m_BBparamsProton[2], m_BBparamsProton[3], m_BBparamsProton[4]);
double resoTPC{expTPCSignal * m_BBparamsProton[5]};
return ((SignalTPCHad - expTPCSignal) / resoTPC);
}
double tofNSigmaCalculation(double MassTOFHad, double ptHad)
{

float TPCinnerParam = InnerParamTPCHad;
float expTPCSignal = o2::tpc::BetheBlochAleph((TPCinnerParam / 0.9382721), m_BBparamsProton[0], m_BBparamsProton[1], m_BBparamsProton[2], m_BBparamsProton[3], m_BBparamsProton[4]);
double resoTPC{expTPCSignal * m_BBparamsProton[5]};
return ((SignalTPCHad - expTPCSignal) / resoTPC);
}

double tofNSigmaCalculation(double MassTOFHad, double ptHad)
{
double fExpTOFMassHad = 0.9487; // Proton mass in TOF
const float kp0 = 1.22204e-02;
const float kp1 = 7.48467e-01;

double fSigmaTOFMassHad = (kp0 * TMath::Exp(kp1 * TMath::Abs(ptHad))) * fExpTOFMassHad;

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
double fNSigmaTOFHad = (MassTOFHad - fExpTOFMassHad) / fSigmaTOFMassHad;
return fNSigmaTOFHad;
}
}

double computeKstar(const PiDecandidate& piDecand)
{
TLorentzVector he3, hadron;
float massHe3 = 2.80839;
float massHad = 0.1395704;
he3.SetPtEtaPhiM(abs(piDecand.recoPtDe()), piDecand.recoEtaDe(), piDecand.recoPhiDe(), massHe3);

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[std-prefix] 

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hadron.SetPtEtaPhiM(abs(piDecand.recoPtPi()), piDecand.recoEtaPi(), piDecand.recoPhiPi(), massHad);

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[std-prefix] 

Use std:: prefix for names from the std namespace.

TLorentzVector p_total_lab = he3 + hadron;
TVector3 v_cm = p_total_lab.BoostVector();
Expand All @@ -736,34 +735,39 @@
p1_cm.Boost(-v_cm);
p2_cm.Boost(-v_cm);
TLorentzVector p_diff_cm = p1_cm - p2_cm;
double kStar = sqrt(p_diff_cm.X() * p_diff_cm.X() + p_diff_cm.Y() * p_diff_cm.Y() + p_diff_cm.Z() * p_diff_cm.Z());

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return kStar / 2.0;
}

void fillKstar(const PiDecandidate& piDecand)
{
{
double PrTPCnsigma = computePrTPCnsig(piDecand.momPiTPC, piDecand.tpcSignalPi);
double PrTOFnsigma = tofNSigmaCalculation(piDecand.massTOFPi, piDecand.recoPtPi());
if(abs(PrTPCnsigma) < settingCutNsigTPCPrMin) return;
if(abs(PrTOFnsigma) < settingCutNsigTOFPrMin) return;
float DeDCAxyMin = 0.015 + 0.0305 / TMath::Power(piDecand.recoPtDe(),1.1);
if (abs(piDecand.dcaxyDe) > DeDCAxyMin || abs(piDecand.dcazDe) > settingCutDeDCAzMin || abs(piDecand.dcaxyPi) > settingCutPiDCAxyMin || abs(piDecand.dcazPi) > settingCutPiDCAzMin) return;
if (std::abs(piDecand.recoPtPi()) < settingCutPiptMin || std::abs(piDecand.recoPtPi()) > settingCutPiptMax) return;
if (std::abs(piDecand.recoPtDe()) < settingCutDeptMin || std::abs(piDecand.recoPtDe()) > settingCutDeptMax) return;

if (abs(PrTPCnsigma) < settingCutNsigTPCPrMin)

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[std-prefix] 

Use std:: prefix for names from the std namespace.
return;
if (abs(PrTOFnsigma) < settingCutNsigTOFPrMin)

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[std-prefix] 

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return;
float DeDCAxyMin = 0.015 + 0.0305 / TMath::Power(piDecand.recoPtDe(), 1.1);

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if (abs(piDecand.dcaxyDe) > DeDCAxyMin || abs(piDecand.dcazDe) > settingCutDeDCAzMin || abs(piDecand.dcaxyPi) > settingCutPiDCAxyMin || abs(piDecand.dcazPi) > settingCutPiDCAzMin)

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return;
if (std::abs(piDecand.recoPtPi()) < settingCutPiptMin || std::abs(piDecand.recoPtPi()) > settingCutPiptMax)
return;
if (std::abs(piDecand.recoPtDe()) < settingCutDeptMin || std::abs(piDecand.recoPtDe()) > settingCutDeptMax)
return;

fillHistograms(piDecand);

double kstar = computeKstar(piDecand);
if(piDecand.isBkgUS == 0){
if(piDecand.recoPtDe() > 0){
if (piDecand.isBkgUS == 0) {
if (piDecand.recoPtDe() > 0) {
mQaRegistry.fill(HIST("hkStar_LS_M"), kstar);
}else{
} else {
mQaRegistry.fill(HIST("hkStar_LS_A"), kstar);
}
}else{
if(piDecand.recoPtDe() > 0){
} else {
if (piDecand.recoPtDe() > 0) {
mQaRegistry.fill(HIST("hkStar_US_M"), kstar);
}else{
} else {
mQaRegistry.fill(HIST("hkStar_US_A"), kstar);
}
}
Expand All @@ -784,15 +788,14 @@
if (!fillCandidateInfo(deTrack, piTrack, collBracket, collisions, piDecand, tracks, isMixedEvent)) {
continue;
}

fillKstar(piDecand);

auto collision = collisions.rawIteratorAt(piDecand.collisionID);

if(settingFillTable) {
if (settingFillTable) {
fillTable(piDecand, collision);
}

}
}

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