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Merged
saganatt merged 1 commit into from
Jul 28, 2022
Merged

FemtoWorld with added invariant mass and dE/dx #1071

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19 changes: 17 additions & 2 deletions PWGCF/FemtoWorld/Core/FemtoWorldContainer.h
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
#include "Math/Vector4D.h"
#include "TMath.h"
#include "TDatabasePDG.h"
#include "TLorentzVector.h"

#include "CommonConstants/MathConstants.h"
using namespace o2::constants::math;
Expand Down Expand Up @@ -66,8 +67,10 @@ class FemtoWorldContainer
/// \param mTBins mT binning for the histograms
/// \param etaBins mT binning for the histograms
/// \param phiBins mT binning for the histograms
/// \param mInvBins mT binning for the histograms

template <typename T1, typename T2>
void init(HistogramRegistry* registry, T1& kstarBins, T1& multBins, T1& kTBins, T1& mTBins, T2& phiBins, T2& etaBins)
void init(HistogramRegistry* registry, T1& kstarBins, T1& multBins, T1& kTBins, T1& mTBins, T2& phiBins, T2& etaBins, T2& mInvBins)
{
mHistogramRegistry = registry;
std::string femtoObs;
Expand All @@ -85,6 +88,7 @@ class FemtoWorldContainer

framework::AxisSpec phiAxis = {phiBins, mPhiLow, mPhiHigh};
framework::AxisSpec etaAxis = {etaBins, -2.0, 2.0};
framework::AxisSpec mInvAxis = {mInvBins, 0.0, 10.0};

std::string folderName = static_cast<std::string>(mFolderSuffix[mEventType]);
mHistogramRegistry->add((folderName + "relPairDist").c_str(), ("Name; " + femtoObs + "; Entries").c_str(), kTH1F, {femtoObsAxis});
Expand All @@ -98,6 +102,7 @@ class FemtoWorldContainer
mHistogramRegistry->add((folderName + "MultPtPart2").c_str(), "; #it{p} _{T} Particle 2 (GeV/#it{c}); Multiplicity", kTH2F, {{375, 0., 7.5}, multAxis});
mHistogramRegistry->add((folderName + "PtPart1PtPart2").c_str(), "; #it{p} _{T} Particle 1 (GeV/#it{c}); #it{p} _{T} Particle 2 (GeV/#it{c})", kTH2F, {{375, 0., 7.5}, {375, 0., 7.5}});
mHistogramRegistry->add((folderName + "relPairDetaDphi").c_str(), "; #Delta#varphi (rad); #Delta#eta", kTH2D, {phiAxis, etaAxis});
mHistogramRegistry->add((folderName + "relPairInvariantMass").c_str(), ";M_{#pi^{+}#pi^{-}} (GeV/#it{c}^{2});", kTH1D, {mInvAxis});
}

/// Set the PDG codes of the two particles involved
Expand Down Expand Up @@ -125,14 +130,24 @@ class FemtoWorldContainer
const float mT = FemtoWorldMath::getmT(part1, mMassOne, part2, mMassTwo);

double delta_eta = part1.eta() - part2.eta();

double delta_phi = part1.phi() - part2.phi();

while (delta_phi < mPhiLow) {
delta_phi += TwoPI;
}
while (delta_phi > mPhiHigh) {
delta_phi -= TwoPI;
}
TLorentzVector part1Vec;
part1Vec.SetPtEtaPhiM(part1.pt(), part1.eta(), part1.phi(), mMassOne);
TLorentzVector part2Vec;
part2Vec.SetPtEtaPhiM(part2.pt(), part2.eta(), part2.phi(), mMassTwo);

TLorentzVector sumVec(part1Vec);
sumVec += part2Vec;
if (mHistogramRegistry) {
mHistogramRegistry->fill(HIST(mFolderSuffix[mEventType]) + HIST("relPairInvariantMass"), sumVec.M());
}

if (mHistogramRegistry) {
mHistogramRegistry->fill(HIST(mFolderSuffix[mEventType]) + HIST("relPairDist"), femtoObs);
Expand Down
2 changes: 2 additions & 0 deletions PWGCF/FemtoWorld/Core/FemtoWorldParticleHisto.h
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Expand Up @@ -49,6 +49,7 @@ class FemtoWorldParticleHisto
mHistogramRegistry->add((folderName + "/hPt").c_str(), "; #it{p}_{T} (GeV/#it{c}); Entries", kTH1F, {{240, 0, 6}});
mHistogramRegistry->add((folderName + "/hEta").c_str(), "; #eta; Entries", kTH1F, {{200, -1.5, 1.5}});
mHistogramRegistry->add((folderName + "/hPhi").c_str(), "; #phi; Entries", kTH1F, {{200, 0, 2. * M_PI}});
mHistogramRegistry->add((folderName + "/dEdxTPCVsMomentum").c_str(), "; #it{p} (GeV/#it{c}); dE/dx (keV/cm)", kTH2F, {{100, 0., 5.}, {250, 0., 500.}});

/// Particle-type specific histograms
if constexpr (mParticleType == o2::aod::femtodreamparticle::ParticleType::kTrack) {
Expand Down Expand Up @@ -76,6 +77,7 @@ class FemtoWorldParticleHisto
mHistogramRegistry->fill(HIST(o2::aod::femtodreamparticle::ParticleTypeName[mParticleType]) + HIST(mFolderSuffix[mFolderSuffixType]) + HIST("/hPt"), part.pt());
mHistogramRegistry->fill(HIST(o2::aod::femtodreamparticle::ParticleTypeName[mParticleType]) + HIST(mFolderSuffix[mFolderSuffixType]) + HIST("/hEta"), part.eta());
mHistogramRegistry->fill(HIST(o2::aod::femtodreamparticle::ParticleTypeName[mParticleType]) + HIST(mFolderSuffix[mFolderSuffixType]) + HIST("/hPhi"), part.phi());
mHistogramRegistry->fill(HIST(o2::aod::femtodreamparticle::ParticleTypeName[mParticleType]) + HIST(mFolderSuffix[mFolderSuffixType]) + HIST("/dEdxTPCVsMomentum"), part.p(), part.tpcSignal());

/// Particle-type specific histograms
if constexpr (mParticleType == o2::aod::femtodreamparticle::ParticleType::kTrack) {
Expand Down
31 changes: 19 additions & 12 deletions PWGCF/FemtoWorld/Tasks/femtoWorldPairTaskTrackTrack.cxx
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Expand Up @@ -50,6 +50,13 @@ static const std::vector<float> kNsigma = {3.5f, 3.f, 2.5f};

} // namespace

namespace o2::aod
{
using FemtoWorldParticles = soa::Join<aod::FemtoDreamParticles,

@saganatt saganatt Jul 28, 2022

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Maybe better to put this in a header under DataModel/ directory?

@saganatt saganatt Jul 28, 2022

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To be fixed tomorrow

aod::FemtoDreamDebugParticles>;
using FemtoWorldParticle = FemtoWorldParticles::iterator;
} // namespace o2::aod

struct femtoWorldPairTaskTrackTrack {

/// Particle selection part
Expand All @@ -59,26 +66,25 @@ struct femtoWorldPairTaskTrackTrack {
Configurable<int> cfgNspecies{"ccfgNspecies", 4, "Number of particle spieces with PID info"};

/// Particle 1
Configurable<int> ConfPDGCodePartOne{"ConfPDGCodePartOne", 2212, "Particle 1 - PDG code"};
Configurable<uint32_t> ConfCutPartOne{"ConfCutPartOne", 84035877, "Particle 1 - Selection bit from cutCulator"};
Configurable<int> ConfPDGCodePartOne{"ConfPDGCodePartOne", 211, "Particle 1 - PDG code"};
Configurable<uint32_t> ConfCutPartOne{"ConfCutPartOne", 84035878, "Particle 1 - Selection bit from cutCulator"};
Configurable<std::vector<int>> ConfPIDPartOne{"ConfPIDPartOne", std::vector<int>{2}, "Particle 1 - Read from cutCulator"}; // we also need the possibility to specify whether the bit is true/false ->std>>vector<std::pair<int, int>>int>>

/// Partition for particle 1
Partition<aod::FemtoDreamParticles> partsOne = (aod::femtodreamparticle::partType == uint8_t(aod::femtodreamparticle::ParticleType::kTrack)) && ((aod::femtodreamparticle::cut & ConfCutPartOne) == ConfCutPartOne);

Partition<o2::aod::FemtoWorldParticles> partsOne = (aod::femtodreamparticle::partType == uint8_t(aod::femtodreamparticle::ParticleType::kTrack)) && ((aod::femtodreamparticle::cut & ConfCutPartOne) == ConfCutPartOne);
/// Histogramming for particle 1
FemtoWorldParticleHisto<aod::femtodreamparticle::ParticleType::kTrack, 1> trackHistoPartOne;

/// Particle 2
Configurable<bool> ConfIsSame{"ConfIsSame", false, "Pairs of the same particle"};
Configurable<int> ConfPDGCodePartTwo{"ConfPDGCodePartTwo", 2212, "Particle 2 - PDG code"};
Configurable<int> ConfPDGCodePartTwo{"ConfPDGCodePartTwo", 211, "Particle 2 - PDG code"};
Configurable<uint32_t> ConfCutPartTwo{"ConfCutPartTwo", 84035877, "Particle 2 - Selection bit"};
Configurable<std::vector<int>> ConfPIDPartTwo{"ConfPIDPartTwo", std::vector<int>{2}, "Particle 2 - Read from cutCulator"}; // we also need the possibility to specify whether the bit is true/false ->std>>vector<std::pair<int, int>>

/// Partition for particle 2
Partition<aod::FemtoDreamParticles> partsTwo = (aod::femtodreamparticle::partType == uint8_t(aod::femtodreamparticle::ParticleType::kTrack)) &&
// (aod::femtodreamparticle::pt < cfgCutTable->get("PartTwo", "MaxPt")) &&
((aod::femtodreamparticle::cut & ConfCutPartTwo) == ConfCutPartTwo);
Partition<o2::aod::FemtoWorldParticles> partsTwo = (aod::femtodreamparticle::partType == uint8_t(aod::femtodreamparticle::ParticleType::kTrack)) &&
// (aod::femtodreamparticle::pt < cfgCutTable->get("PartTwo", "MaxPt")) &&
((aod::femtodreamparticle::cut & ConfCutPartTwo) == ConfCutPartTwo);

/// Histogramming for particle 2
FemtoWorldParticleHisto<aod::femtodreamparticle::ParticleType::kTrack, 2> trackHistoPartTwo;
Expand All @@ -101,6 +107,7 @@ struct femtoWorldPairTaskTrackTrack {
Configurable<bool> ConfCPRPlotPerRadii{"ConfCPRPlotPerRadii", false, "Plot CPR per radii"};
Configurable<int> ConfPhiBins{"ConfPhiBins", 15, "Number of phi bins in deta dphi"};
Configurable<int> ConfEtaBins{"ConfEtaBins", 15, "Number of eta bins in deta dphi"};
Configurable<int> ConfMInvBins{"ConfMInvBins", 1000, "Number of bins in mInv distribution"};

FemtoWorldContainer<femtoWorldContainer::EventType::same, femtoWorldContainer::Observable::kstar> sameEventCont;

Expand All @@ -121,9 +128,9 @@ struct femtoWorldPairTaskTrackTrack {
trackHistoPartTwo.init(&qaRegistry);
}

sameEventCont.init(&resultRegistry, CfgkstarBins, CfgMultBins, CfgkTBins, CfgmTBins, ConfPhiBins, ConfEtaBins);
sameEventCont.init(&resultRegistry, CfgkstarBins, CfgMultBins, CfgkTBins, CfgmTBins, ConfPhiBins, ConfEtaBins, ConfMInvBins);
sameEventCont.setPDGCodes(ConfPDGCodePartOne, ConfPDGCodePartTwo);
mixedEventCont.init(&resultRegistry, CfgkstarBins, CfgMultBins, CfgkTBins, CfgmTBins, ConfPhiBins, ConfEtaBins);
mixedEventCont.init(&resultRegistry, CfgkstarBins, CfgMultBins, CfgkTBins, CfgmTBins, ConfPhiBins, ConfEtaBins, ConfMInvBins);
mixedEventCont.setPDGCodes(ConfPDGCodePartOne, ConfPDGCodePartTwo);
pairCleaner.init(&qaRegistry);
if (ConfIsCPR) {
Expand All @@ -145,7 +152,7 @@ struct femtoWorldPairTaskTrackTrack {
/// This function processes the same event and takes care of all the histogramming
/// \todo the trivial loops over the tracks should be factored out since they will be common to all combinations of T-T, T-V0, V0-V0, ...
void processSameEvent(o2::aod::FemtoDreamCollision& col,
o2::aod::FemtoDreamParticles& parts)
o2::aod::FemtoWorldParticles& parts)
{
const auto& tmstamp = col.timestamp();
const auto& magFieldTesla = getMagneticFieldTesla(tmstamp, ccdb);
Expand Down Expand Up @@ -205,7 +212,7 @@ struct femtoWorldPairTaskTrackTrack {
/// This function processes the mixed event
/// \todo the trivial loops over the collisions and tracks should be factored out since they will be common to all combinations of T-T, T-V0, V0-V0, ...
void processMixedEvent(o2::aod::FemtoDreamCollisions& cols,
o2::aod::FemtoDreamParticles& parts)
o2::aod::FemtoWorldParticles& parts)
{

ColumnBinningPolicy<aod::collision::PosZ, aod::femtodreamcollision::MultV0M> colBinning{{CfgVtxBins, CfgMultBins}, true};
Expand Down