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fix gapside selection
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-28
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‎PWGUD/Tasks/flowCumulantsUpc.cxx‎

Lines changed: 75 additions & 28 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
1+
// opyright 2019-2020 CERN and copyright holders of ALICE O2.
22
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
33
// All rights not expressly granted are reserved.
44
//
@@ -10,7 +10,7 @@
1010
// or submit itself to any jurisdiction.
1111

1212
/// \file flowCumulantsUpc.cxx
13-
/// \author Mingrui Zhao (mingrui.zhao@mail.labz0.org, mingrui.zhao@cern.ch)
13+
/// \author Yongxi Du (yongxi.du@cern.ch), Mingrui Zhao (mingrui.zhao@mail.labz0.org, mingrui.zhao@cern.ch)
1414
/// \since Mar/2025
1515
/// \brief jira: , task to measure flow observables with cumulant method
1616

@@ -62,14 +62,15 @@ using namespace o2::framework::expressions;
6262
struct FlowCumulantsUpc {
6363

6464
O2_DEFINE_CONFIGURABLE(cfgCutVertex, float, 10.0f, "Accepted z-vertex range")
65+
O2_DEFINE_CONFIGURABLE(cfgIfVertex, bool, false, "choose vertex or not")
6566
O2_DEFINE_CONFIGURABLE(cfgCentEstimator, int, 0, "0:FT0C; 1:FT0CVariant1; 2:FT0M; 3:FT0A")
6667
O2_DEFINE_CONFIGURABLE(cfgCentFT0CMin, float, 0.0f, "Minimum centrality (FT0C) to cut events in filter")
6768
O2_DEFINE_CONFIGURABLE(cfgCentFT0CMax, float, 100.0f, "Maximum centrality (FT0C) to cut events in filter")
68-
O2_DEFINE_CONFIGURABLE(cfgCutPtPOIMin, float, 0.2f, "Minimal pT for poi tracks")
69+
O2_DEFINE_CONFIGURABLE(cfgCutPtPOIMin, float, 0.1f, "Minimal pT for poi tracks")
6970
O2_DEFINE_CONFIGURABLE(cfgCutPtPOIMax, float, 10.0f, "Maximal pT for poi tracks")
70-
O2_DEFINE_CONFIGURABLE(cfgCutPtRefMin, float, 0.2f, "Minimal pT for ref tracks")
71+
O2_DEFINE_CONFIGURABLE(cfgCutPtRefMin, float, 0.1f, "Minimal pT for ref tracks")
7172
O2_DEFINE_CONFIGURABLE(cfgCutPtRefMax, float, 3.0f, "Maximal pT for ref tracks")
72-
O2_DEFINE_CONFIGURABLE(cfgCutPtMin, float, 0.2f, "Minimal pT for all tracks")
73+
O2_DEFINE_CONFIGURABLE(cfgCutPtMin, float, 0.1f, "Minimal pT for all tracks")
7374
O2_DEFINE_CONFIGURABLE(cfgCutPtMax, float, 10.0f, "Maximal pT for all tracks")
7475
O2_DEFINE_CONFIGURABLE(cfgCutEta, float, 0.8f, "Eta range for tracks")
7576
O2_DEFINE_CONFIGURABLE(cfgCutChi2prTPCcls, float, 2.5f, "max chi2 per TPC clusters")
@@ -102,9 +103,17 @@ struct FlowCumulantsUpc {
102103
O2_DEFINE_CONFIGURABLE(cfgAcceptanceList, std::string, "", "CCDB path to acceptance lsit object")
103104
O2_DEFINE_CONFIGURABLE(cfgAcceptanceListEnabled, bool, false, "switch of acceptance list")
104105
O2_DEFINE_CONFIGURABLE(cfgEvSelOccupancy, bool, true, "Occupancy cut")
105-
O2_DEFINE_CONFIGURABLE(cfgCutOccupancyHigh, int, 500, "High cut on TPC occupancy")
106+
O2_DEFINE_CONFIGURABLE(cfgCutOccupancyHigh, int, 1000, "High cut on TPC occupancy")
106107
O2_DEFINE_CONFIGURABLE(cfgCutOccupancyLow, int, 0, "Low cut on TPC occupancy")
107108
O2_DEFINE_CONFIGURABLE(cfgUseSmallMemory, bool, false, "Use small memory mode")
109+
O2_DEFINE_CONFIGURABLE(cfgIsGoodItsLayers, bool, false, "whether choose itslayers")
110+
O2_DEFINE_CONFIGURABLE(cfgGapSideA, bool, true, "choose gapside A")
111+
O2_DEFINE_CONFIGURABLE(cfgGapSideC, bool, false, "choose gapside C")
112+
O2_DEFINE_CONFIGURABLE(cfgDcaxy, bool, true, "choose dcaxy")
113+
O2_DEFINE_CONFIGURABLE(cfgDcaz, bool, false, "choose dcaz")
114+
O2_DEFINE_CONFIGURABLE(cfgDcazCut, float, 10.0, "dcaz cut")
115+
O2_DEFINE_CONFIGURABLE(cfgItsClusterSize, unsigned int, 5, "ITS cluster size")
116+
O2_DEFINE_CONFIGURABLE(cfgMaxTPCChi2NCl, int, 4, "tpcchi2")
108117
Configurable<std::vector<std::string>> cfgUserDefineGFWCorr{"cfgUserDefineGFWCorr", std::vector<std::string>{"refN02 {2} refP02 {-2}", "refN12 {2} refP12 {-2}"}, "User defined GFW CorrelatorConfig"};
109118
Configurable<std::vector<std::string>> cfgUserDefineGFWName{"cfgUserDefineGFWName", std::vector<std::string>{"Ch02Gap22", "Ch12Gap22"}, "User defined GFW Name"};
110119
Configurable<std::vector<int>> cfgRunRemoveList{"cfgRunRemoveList", std::vector<int>{-1}, "excluded run numbers"};
@@ -122,7 +131,6 @@ struct FlowCumulantsUpc {
122131
Configurable<float> cfgCutFT0A{"cfgCutFT0A", 150., "FT0A threshold"};
123132
Configurable<float> cfgCutFT0C{"cfgCutFT0C", 50., "FT0C threshold"};
124133
Configurable<float> cfgCutZDC{"cfgCutZDC", 10., "ZDC threshold"};
125-
Configurable<float> cfgGapSideSelection{"cfgGapSideSelection", 2, "gap selection"};
126134

127135
// Corrections
128136
TH1D* mEfficiency = nullptr;
@@ -200,10 +208,17 @@ struct FlowCumulantsUpc {
200208
// Event QA
201209
registry.add("hEventCount", "Number of Event;; Count", {HistType::kTH1D, {{5, 0, 5}}});
202210
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(1, "Filtered event");
203-
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(2, "after sel8");
204-
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(3, "after supicious Runs removal");
205-
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(4, "after additional event cut");
206-
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(5, "after correction loads");
211+
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(2, "after gapside selection");
212+
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(3, "after its selection");
213+
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(4, "after pt selection");
214+
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(5, "after occupancy");
215+
registry.add("hTrackCount", "Number of tracks;; Count", {HistType::kTH1D, {{5, 0, 5}}});
216+
registry.get<TH1>(HIST("hTrackCount"))->GetXaxis()->SetBinLabel(1, "after event selection");
217+
registry.get<TH1>(HIST("hTrackCount"))->GetXaxis()->SetBinLabel(2, "PVContributor");
218+
registry.get<TH1>(HIST("hTrackCount"))->GetXaxis()->SetBinLabel(3, "dcaz");
219+
registry.get<TH1>(HIST("hTrackCount"))->GetXaxis()->SetBinLabel(4, "dcaxy");
220+
registry.get<TH1>(HIST("hTrackCount"))->GetXaxis()->SetBinLabel(5, "its clusters");
221+
registry.get<TH1>(HIST("hTrackCount"))->GetXaxis()->SetBinLabel(6, "tpc chi2");
207222
registry.add("hEventCountSpecific", "Number of Event;; Count", {HistType::kTH1D, {{10, 0, 10}}});
208223
registry.get<TH1>(HIST("hEventCountSpecific"))->GetXaxis()->SetBinLabel(1, "after sel8");
209224
registry.get<TH1>(HIST("hEventCountSpecific"))->GetXaxis()->SetBinLabel(2, "kNoSameBunchPileup");
@@ -266,6 +281,7 @@ struct FlowCumulantsUpc {
266281
registry.add("hDCAz", "DCAz after cuts; DCAz (cm); Pt", {HistType::kTH2D, {{200, -0.5, 0.5}, {200, 0, 5}}});
267282
registry.add("hDCAxy", "DCAxy after cuts; DCAxy (cm); Pt", {HistType::kTH2D, {{200, -0.5, 0.5}, {200, 0, 5}}});
268283
registry.add("hTrackCorrection2d", "Correlation table for number of tracks table; uncorrected track; corrected track", {HistType::kTH2D, {axisNch, axisNch}});
284+
registry.add("hEtaNch2D", "Eta vs Nch; #eta; Nch", {HistType::kTH2D, {axisEta, axisNch}});
269285

270286
registry.add("hPhiMC", "#phi distribution", {HistType::kTH1D, {axisPhi}});
271287
registry.add("hPhiWeightedMC", "corrected #phi distribution", {HistType::kTH1D, {axisPhi}});
@@ -727,7 +743,7 @@ struct FlowCumulantsUpc {
727743
registry.fill(HIST("hEventCountSpecific"), 6.5);
728744
}
729745
auto multNTracksPV = collision.multNTracksPV();
730-
auto occupancy = collision.trackOccupancyInTimeRange();
746+
auto occupancy = collision.Occ();
731747
if (cfgEvSelOccupancy && (occupancy < cfgCutOccupancyLow || occupancy > cfgCutOccupancyHigh)) {
732748
return 0;
733749
}
@@ -801,27 +817,29 @@ struct FlowCumulantsUpc {
801817
template <typename TTrack>
802818
bool trackSelected(TTrack track)
803819
{
820+
registry.fill(HIST("hTrackCount"), 0.5);
804821
// UPC selection
805822
if (!track.isPVContributor()) {
806823
return false;
807824
}
808-
constexpr float kDcazCut = 2.0;
809-
if (!(std::fabs(track.dcaZ()) < kDcazCut)) {
825+
registry.fill(HIST("hTrackCount"), 1.5);
826+
if (cfgDcaz && !(std::fabs(track.dcaZ()) < cfgDcazCut)) {
810827
return false;
811828
}
829+
registry.fill(HIST("hTrackCount"), 2.5);
812830
double dcaLimit = 0.0105 + 0.035 / std::pow(track.pt(), 1.1);
813-
if (!(std::fabs(track.dcaXY()) < dcaLimit)) {
831+
if (cfgDcaxy && !(std::fabs(track.dcaXY()) < dcaLimit)) {
814832
return false;
815833
}
816-
constexpr int kMinITSClusters = 5;
817-
constexpr int kMaxTPCChi2NCl = 4;
818-
819-
if (track.itsClusterSizes() <= kMinITSClusters) {
834+
registry.fill(HIST("hTrackCount"), 3.5);
835+
if (track.itsClusterSizes() <= cfgItsClusterSize) {
820836
return false;
821837
}
822-
if (track.tpcChi2NCl() >= kMaxTPCChi2NCl) {
838+
registry.fill(HIST("hTrackCount"), 4.5);
839+
if (track.tpcChi2NCl() >= cfgMaxTPCChi2NCl) {
823840
return false;
824841
}
842+
registry.fill(HIST("hTrackCount"), 5.5);
825843
return true;
826844
}
827845

@@ -879,28 +897,55 @@ struct FlowCumulantsUpc {
879897
// return;
880898
// }
881899
int gapSide = collision.gapSide();
882-
constexpr int kGapSideSelection = 0;
883-
constexpr int kGapSideOppositeSelection = 2;
884-
if (gapSide > kGapSideSelection && gapSide < kGapSideOppositeSelection) {
885-
return;
900+
if (gapSide == 0) {
901+
if (!cfgGapSideA) {
902+
return;
903+
}
904+
}
905+
if (gapSide == 1) {
906+
if (!cfgGapSideC) {
907+
return;
908+
}
886909
}
887-
if (collision.trs() == 0) {
910+
if (gapSide != 0 || gapSide != 1) {
888911
return;
889912
}
890913
int trueGapSide = sgSelector.trueGap(collision, cfgCutFV0, cfgCutFT0A, cfgCutFT0C, cfgCutZDC);
891914
gapSide = trueGapSide;
892-
if (gapSide == cfgGapSideSelection) {
915+
if (gapSide == 0) {
916+
if (!cfgGapSideA) {
917+
return;
918+
}
919+
}
920+
if (gapSide == 1) {
921+
if (!cfgGapSideC) {
922+
return;
923+
}
924+
}
925+
if (gapSide != 0 || gapSide != 1) {
893926
return;
894927
}
895928
registry.fill(HIST("hEventCount"), 1.5);
929+
if (cfgIsGoodItsLayers && collision.trs() == 0) {
930+
return;
931+
}
932+
registry.fill(HIST("hEventCount"), 2.5);
896933
float cent = 100;
897934
float lRandom = fRndm->Rndm();
898935
float vtxz = collision.posZ();
899936
registry.fill(HIST("hVtxZ"), vtxz);
900937
registry.fill(HIST("hMult"), tracks.size());
901938
registry.fill(HIST("hCent"), cent);
902939
fGFW->Clear();
903-
940+
if (cfgIfVertex && abs(vtxz) > cfgCutVertex) {
941+
return;
942+
}
943+
registry.fill(HIST("hEventCount"), 3.5);
944+
int occupancy = collision.occupancyInTime();
945+
if (cfgEvSelOccupancy && (occupancy < cfgCutOccupancyLow || occupancy > cfgCutOccupancyHigh)) {
946+
return;
947+
}
948+
registry.fill(HIST("hEventCount"), 4.5);
904949
// // track weights
905950
float weff = 1, wacc = 1;
906951
double nTracksCorrected = 0;
@@ -911,8 +956,9 @@ struct FlowCumulantsUpc {
911956

912957
for (const auto& track : tracks) {
913958
registry.fill(HIST("hChi2prTPCcls"), track.tpcChi2NCl());
914-
if (!trackSelected(track))
959+
if (!trackSelected(track)) {
915960
continue;
961+
}
916962
auto momentum = std::array<double, 3>{track.px(), track.py(), track.pz()};
917963
double pt = RecoDecay::pt(momentum);
918964
double phi = RecoDecay::phi(momentum);
@@ -950,6 +996,7 @@ struct FlowCumulantsUpc {
950996
if (withinPtPOI && withinPtRef) {
951997
fGFW->Fill(eta, fPtAxis->FindBin(pt) - 1, phi, wacc * weff, 4);
952998
}
999+
registry.fill(HIST("hEtaNch2D"), eta, tracks.size());
9531000
}
9541001
registry.fill(HIST("hTrackCorrection2d"), tracks.size(), nTracksCorrected);
9551002

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