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122 changes: 62 additions & 60 deletions PWGUD/Tasks/sgExclOmega.cxx
Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ struct SGExclOmega {
Configurable<float> FDDA_cut{"FDDA", 10000., "FDDA threshold"};
Configurable<float> FDDC_cut{"FDDC", 10000., "FDDC threshold"};
Configurable<float> ZDC_cut{"ZDC", 10., "ZDC threshold"};
//Track Selections
// Track Selections
Configurable<float> PV_cut{"PV_cut", 1.0, "Use Only PV tracks"};
Configurable<float> dcaZ_cut{"dcaZ_cut", 2.0, "dcaZ cut"};
Configurable<float> dcaXY_cut{"dcaXY_cut", 2.0, "dcaXY cut (0 for Pt-function)"};
Expand All @@ -47,7 +47,7 @@ struct SGExclOmega {
Configurable<float> itsChi2_cut{"itsChi2_cut", 36, "Max itsChi2NCl"};
Configurable<float> eta_cut{"eta_cut", 0.9, "Track Pseudorapidity"};
Configurable<float> pt_cut{"pt_cut", 0.1, "Track Pt"};
//D0 Specific Cuts
// D0 Specific Cuts
Configurable<float> nsigmatpc_cut{"nsigmatpc", 3.0, "nsigma tpc cut"};
Configurable<float> nsigmatof_cut{"nsigmatof", 9.0, "nsigma tof cut"};
Configurable<bool> use_tof{"Use_TOF", true, "TOF PID"};
Expand All @@ -64,22 +64,22 @@ struct SGExclOmega {
{"ss_O_eTa", "eTa (GeV/c); Entries", {HistType::kTH1F, {{100, -1., 1.}}}},
{"ss_O_invm", "Mass (GeV/c^2); Entries", {HistType::kTH1F, {{5000, 0, 10}}}},
{"pi0_invm", "Mass (GeV/c^2); Entries", {HistType::kTH1F, {{5000, 0, 10}}}},
{"os_O_pt_invm", " Nt vs Mass", {HistType::kTH2F, {{500, 0, 10.},{500, 0, 2.5}}}},
{"os_O_pt_invm", " Nt vs Mass", {HistType::kTH2F, {{500, 0, 10.}, {500, 0, 2.5}}}},
{"os_O_pT_pid", "pT (GeV/c); Entries", {HistType::kTH1F, {{5000, 0, 10}}}},
{"os_O_eTa_pid", "eTa (GeV/c); Entries", {HistType::kTH1F, {{100, -1., 1.}}}},
{"os_O_invm_pid", "Mass (GeV/c^2); Entries", {HistType::kTH1F, {{5000, 0, 10}}}},
{"ss_O_pT_pid", "pT (GeV/c); Entries", {HistType::kTH1F, {{5000, 0, 10}}}},
{"ss_O_eTa_pid", "eTa (GeV/c); Entries", {HistType::kTH1F, {{100, -1., 1.}}}},
{"ss_O_invm_pid", "Mass (GeV/c^2); Entries", {HistType::kTH1F, {{5000, 0, 10}}}},
{"os_O_pt_invm_pid", "pt vs Mass", {HistType::kTH2F, {{500, 0, 10.},{500, 0, 2.5}}}},
{"os_O_pt_invm_pid", "pt vs Mass", {HistType::kTH2F, {{500, 0, 10.}, {500, 0, 2.5}}}},
{"pi0_invm_pid", "Mass (GeV/c^2); Entries", {HistType::kTH1F, {{5000, 0, 10}}}},
{"os_O_pT_pid_pi0", "pT (GeV/c); Entries", {HistType::kTH1F, {{5000, 0, 10}}}},
{"os_O_eTa_pid_pi0", "eTa (GeV/c); Entries", {HistType::kTH1F, {{100, -1., 1.}}}},
{"os_O_invm_pid_pi0", "Mass (GeV/c^2); Entries", {HistType::kTH1F, {{5000, 0, 10}}}},
{"ss_O_pT_pid_pi0", "pT (GeV/c); Entries", {HistType::kTH1F, {{5000, 0, 10}}}},
{"ss_O_eTa_pid_pi0", "eTa (GeV/c); Entries", {HistType::kTH1F, {{100, -1., 1.}}}},
{"ss_O_invm_pid_pi0", "Mass (GeV/c^2); Entries", {HistType::kTH1F, {{5000, 0, 10}}}},
{"os_O_pt_invm_pid_pi0", "pt vs Mass", {HistType::kTH2F, {{500, 0, 10.},{500, 0, 2.5}}}},
{"os_O_pt_invm_pid_pi0", "pt vs Mass", {HistType::kTH2F, {{500, 0, 10.}, {500, 0, 2.5}}}},
}};
using udtracks = soa::Join<aod::UDTracks, aod::UDTracksExtra, aod::UDTracksPID>;
using udtracksfull = soa::Join<aod::UDTracks, aod::UDTracksPID, aod::UDTracksExtra, aod::UDTracksFlags, aod::UDTracksDCA>;
Expand Down Expand Up @@ -111,79 +111,81 @@ struct SGExclOmega {
registry.fill(HIST("GapSide"), gapSide);
registry.fill(HIST("TrueGapSide"), truegapSide);
gapSide = truegapSide;
//if (gapSide!=2) return;
int pvtracks=0;
// if (gapSide!=2) return;
int pvtracks = 0;
int sign = 0;
int esign = 0;
int nElec = 0;
for (auto& t0 : tracks) {
if (trackselector(t0, parameters) && t0.isPVContributor()){
pvtracks++;
sign += t0.sign();
if (selectionPIDElec(t0, use_tof, nsigmatpc_cut, nsigmatof_cut)){
nElec++;
esign += t0.sign();
a.SetXYZM(t0.px(), t0.py(), t0.pz(), o2::constants::physics::MassElectron);
els.push_back(a);
} else {
a.SetXYZM(t0.px(), t0.py(), t0.pz(), o2::constants::physics::MassPionCharged);
pis.push_back(a);
}
}
if (trackselector(t0, parameters) && t0.isPVContributor()) {
pvtracks++;
sign += t0.sign();
if (selectionPIDElec(t0, use_tof, nsigmatpc_cut, nsigmatof_cut)) {
nElec++;
esign += t0.sign();
a.SetXYZM(t0.px(), t0.py(), t0.pz(), o2::constants::physics::MassElectron);
els.push_back(a);
} else {
a.SetXYZM(t0.px(), t0.py(), t0.pz(), o2::constants::physics::MassPionCharged);
pis.push_back(a);
}
}
}
// Look for D0 and D0bar
//if (pvtracks != 6) return;
if (nElec!=4 || esign!= 0 || pvtracks < 6) return;
// std::cout << nElec <<"\t" <<esign<<std::endl;
// return;
// if (pvtracks != 6) return;
if (nElec != 4 || esign != 0 || pvtracks < 6)
return;
// std::cout << nElec <<"\t" <<esign<<std::endl;
// return;
//}
// Apply pion hypothesis and create pairs
v00 = els[0]+els[1]+els[2]+els[3];
// Apply pion hypothesis and create pairs
v00 = els[0] + els[1] + els[2] + els[3];
for (auto& [t0, t1] : combinations(tracks, tracks)) {
if (selectionPIDElec(t0, use_tof, nsigmatpc_cut, nsigmatof_cut)||selectionPIDElec(t1, use_tof, nsigmatpc_cut, nsigmatof_cut))continue;
v0.SetXYZM(t0.px(), t0.py(), t0.pz(), o2::constants::physics::MassPionCharged);
v1.SetXYZM(t0.px(), t0.py(), t0.pz(), o2::constants::physics::MassPionCharged);
v01 = v0+v1 + v00;
// if (v00.M() > 0.2) return;
// Opposite sign pairs
if (t0.sign() != t1.sign()) {
registry.fill(HIST("os_O_pT"), v01.Pt());
registry.fill(HIST("os_O_eTa"), v01.Eta());
registry.fill(HIST("os_O_invm"), v01.M());
registry.fill(HIST("os_O_pt_invm"), v01.Pt(), v01.M());
registry.fill(HIST("pi0_invm"), v00.M());
} else {
registry.fill(HIST("ss_O_pT"), v01.Pt());
registry.fill(HIST("ss_O_eTa"), v01.Eta());
registry.fill(HIST("ss_O_invm"), v01.M());
}
if (selectionPIDPion(t0, use_tof, nsigmatpc_cut, nsigmatof_cut) && selectionPIDPion(t1, use_tof, nsigmatpc_cut, nsigmatof_cut)) {
if (selectionPIDElec(t0, use_tof, nsigmatpc_cut, nsigmatof_cut) || selectionPIDElec(t1, use_tof, nsigmatpc_cut, nsigmatof_cut))
continue;
v0.SetXYZM(t0.px(), t0.py(), t0.pz(), o2::constants::physics::MassPionCharged);
v1.SetXYZM(t0.px(), t0.py(), t0.pz(), o2::constants::physics::MassPionCharged);
v01 = v0 + v1 + v00;
// if (v00.M() > 0.2) return;
// Opposite sign pairs
if (t0.sign() != t1.sign()) {
registry.fill(HIST("os_O_pT"), v01.Pt());
registry.fill(HIST("os_O_eTa"), v01.Eta());
registry.fill(HIST("os_O_invm"), v01.M());
registry.fill(HIST("os_O_pt_invm"), v01.Pt(), v01.M());
registry.fill(HIST("pi0_invm"), v00.M());
} else {
registry.fill(HIST("ss_O_pT"), v01.Pt());
registry.fill(HIST("ss_O_eTa"), v01.Eta());
registry.fill(HIST("ss_O_invm"), v01.M());
}
if (selectionPIDPion(t0, use_tof, nsigmatpc_cut, nsigmatof_cut) && selectionPIDPion(t1, use_tof, nsigmatpc_cut, nsigmatof_cut)) {
if (t0.sign() != t1.sign()) {
registry.fill(HIST("os_O_pT_pid"), v01.Pt());
registry.fill(HIST("os_O_eTa_pid"), v01.Eta());
registry.fill(HIST("os_O_invm_pid"), v01.M());
registry.fill(HIST("os_O_pt_invm_pid"), v01.Pt(), v01.M());
} else {
} else {
registry.fill(HIST("ss_O_pT_pid_pi0"), v01.Pt());
registry.fill(HIST("ss_O_eTa_pid_pi0"), v01.Eta());
registry.fill(HIST("ss_O_invm_pid_pi0"), v01.M());
}
}

if (abs(v00.M() - o2::constants::physics::MassPionNeutral) < 0.1){
if (t0.sign() != t1.sign()) {
registry.fill(HIST("os_O_pT_pid_pi0"), v01.Pt());
registry.fill(HIST("os_O_eTa_pid_pi0"), v01.Eta());
registry.fill(HIST("os_O_invm_pid_pi0"), v01.M());
registry.fill(HIST("os_O_pt_invm_pid_pi0"), v01.Pt(), v01.M());
} else {
registry.fill(HIST("ss_O_pT_pid_pi0"), v01.Pt());
registry.fill(HIST("ss_O_eTa_pid_pi0"), v01.Eta());
registry.fill(HIST("ss_O_invm_pid_pi0"), v01.M());
}
}
if (abs(v00.M() - o2::constants::physics::MassPionNeutral) < 0.1) {
if (t0.sign() != t1.sign()) {
registry.fill(HIST("os_O_pT_pid_pi0"), v01.Pt());
registry.fill(HIST("os_O_eTa_pid_pi0"), v01.Eta());
registry.fill(HIST("os_O_invm_pid_pi0"), v01.M());
registry.fill(HIST("os_O_pt_invm_pid_pi0"), v01.Pt(), v01.M());
} else {
registry.fill(HIST("ss_O_pT_pid_pi0"), v01.Pt());
registry.fill(HIST("ss_O_eTa_pid_pi0"), v01.Eta());
registry.fill(HIST("ss_O_invm_pid_pi0"), v01.M());
}
}
}
}
}
}
}
};

WorkflowSpec defineDataProcessing(ConfigContext const& cfgc)
Expand Down