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hernasabSabrina Hernandez
hernasab
and
Sabrina Hernandez
authored
[PWGCF] added ZDC correlation histograms (#13134)
Co-authored-by: Sabrina Hernandez <sabrina.gabrielle.hernandez@cern.ch>
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‎PWGCF/Flow/Tasks/flowZdcTask.cxx‎

Lines changed: 54 additions & 31 deletions
Original file line numberDiff line numberDiff line change
@@ -64,8 +64,6 @@ struct FlowZdcTask {
6464
Configurable<int> nBinsAmp{"nBinsAmp", 1025, "nbinsAmp"};
6565
Configurable<int> nBinsCent{"nBinsCent", 90, "nBinsCent"};
6666
Configurable<float> maxZn{"maxZn", 125.5, "Max ZN signal"};
67-
Configurable<float> vtxRange{"vtxRange", 10.0f, "Vertex Z range to consider"};
68-
Configurable<float> etaRange{"etaRange", 1.0f, "Eta range to consider"};
6967
// configs for process QA
7068
Configurable<int> nBinsNch{"nBinsNch", 2501, "N bins Nch (|eta|<0.8)"};
7169
Configurable<int> nBinsAmpFT0{"nBinsAmpFT0", 100, "N bins FT0 amp"};
@@ -74,8 +72,6 @@ struct FlowZdcTask {
7472
Configurable<int> nBinsAmpFV0{"nBinsAmpFV0", 100, "N bins FV0 amp"};
7573
Configurable<float> maxAmpFV0{"maxAmpFV0", 2000, "Max FV0 amp"};
7674
Configurable<int> nBinsZDC{"nBinsZDC", 400, "nBinsZDC"};
77-
Configurable<int> nBinsZN{"nBinsZN", 400, "N bins ZN"};
78-
Configurable<int> nBinsZP{"nBinsZP", 160, "N bins ZP"};
7975
Configurable<float> minNch{"minNch", 0, "Min Nch (|eta|<0.8)"};
8076
Configurable<float> maxNch{"maxNch", 2500, "Max Nch (|eta|<0.8)"};
8177
Configurable<int> nBinsTDC{"nBinsTDC", 150, "nbinsTDC"};
@@ -94,7 +90,6 @@ struct FlowZdcTask {
9490
Configurable<bool> isTDCcut{"isTDCcut", false, "Use TDC cut?"};
9591
Configurable<bool> useMidRapNchSel{"useMidRapNchSel", false, "Use mid-rapidity Nch selection"};
9692
Configurable<bool> applyEff{"applyEff", true, "Apply track-by-track efficiency correction"};
97-
Configurable<bool> applyFD{"applyFD", false, "Apply track-by-track feed down correction"};
9893
Configurable<bool> correctNch{"correctNch", true, "Correct also Nch"};
9994

10095
Configurable<float> nSigmaNchCut{"nSigmaNchCut", 1., "nSigma Nch selection"};
@@ -107,16 +102,10 @@ struct FlowZdcTask {
107102
Configurable<float> maxPtSpectra{"maxPtSpectra", 50., "maximum pt of the tracks"};
108103
Configurable<float> zemCut{"zemCut", 100., "ZEM cut"};
109104
// axis configs
110-
ConfigurableAxis axisPhi{"axisPhi", {60, 0.0, constants::math::TwoPI}, "phi axis for histograms"};
111105
ConfigurableAxis axisMultiplicity{"axisMultiplicity", {3500, 0, 3500}, "centrality axis for histograms"};
112106
ConfigurableAxis axisZN{"axisZN", {5000, 0, 500}, "axisZN"};
113107
ConfigurableAxis axisZP{"axisZP", {5000, 0, 500}, "axisZP"};
114-
ConfigurableAxis axisFT0CAmp{"axisFT0CAmp", {5000, 0, 5000}, "axisFT0CAmp"};
115-
ConfigurableAxis axisFT0AAmp{"axisFT0AAmp", {5000, 0, 5000}, "axisFT0AAmp"};
116-
ConfigurableAxis axisFT0MAmp{"axisFT0MAmp", {10000, 0, 10000}, "axisFT0MAmp"};
117-
ConfigurableAxis multHistBin{"multHistBin", {501, -0.5, 500.5}, ""};
118108
ConfigurableAxis axisCent{"axisCent", {10, 0, 100}, "axisCent"};
119-
ConfigurableAxis ft0cMultHistBin{"ft0cMultHistBin", {501, -0.5, 500.5}, ""};
120109
ConfigurableAxis binsPt{"binsPt", {VARIABLE_WIDTH, 0.0, 0.1, 0.12}, "pT binning"};
121110
Configurable<float> posZcut{"posZcut", +10.0, "z-vertex position cut"};
122111
Configurable<float> minEta{"minEta", -0.8, "minimum eta"};
@@ -176,21 +165,16 @@ struct FlowZdcTask {
176165
void init(InitContext const&)
177166
{
178167
// define axes
179-
const AxisSpec axisCounter{1, 0, +1, ""};
180168
const AxisSpec axisEvent{18, 0.5, 18.5, ""};
181169
const AxisSpec axisZpos{48, -12., 12., "Vtx_{z} (cm)"};
182170
const AxisSpec axisEta{40, -1., +1., "#eta"};
183171
const AxisSpec axisPt{binsPt, "#it{p}_{T} (GeV/#it{c})"};
184172

185173
AxisSpec axisVtxZ{40, -20, 20, "Vertex Z", "VzAxis"};
186-
AxisSpec axisMult = {multHistBin, "Mult", "MultAxis"};
187-
AxisSpec axisFT0CMult = {ft0cMultHistBin, "ft0c", "FT0CMultAxis"};
188174

189175
// create histograms
190176
histos.add("hEventCounter", "Event counter", kTH1F, {axisEvent});
191177
histos.add("zPos", ";;Entries;", kTH1F, {axisZpos});
192-
193-
histos.add("eventCounter", "eventCounter", kTH1F, {axisCounter});
194178
histos.add("hZNvsFT0Ccent",
195179
"ZN Energy vs FT0C Centrality",
196180
kTH2F,
@@ -204,17 +188,13 @@ struct FlowZdcTask {
204188
{{{nBinsNch, -0.5, maxNch}, {nBinsNch, -0.5, maxNch}}});
205189
histos.add("T0Ccent", ";;Entries", kTH1F, {axisCent});
206190
histos.add("NchUncorrected", ";#it{N}_{ch} (|#eta| < 0.8);Entries;", kTH1F, {{300, 0., 3000.}});
207-
histos.add("ZNamp", ";ZNA+ZNC;Entries;", kTH1F, {{nBinsZN, -0.5, maxZn}});
191+
histos.add("ZNamp", ";ZNA+ZNC;Entries;", kTH1F, {{nBinsZDC, -0.5, maxZn}});
208192
histos.add("ExcludedEvtVsFT0M", ";T0A+T0C (#times 1/100, -3.3 < #eta < -2.1 and 3.5 < #eta < 4.9);Entries;", kTH1F, {{nBinsAmpFT0, 0., maxAmpFT0}});
209193
histos.add("ExcludedEvtVsNch", ";#it{N}_{ch} (|#eta|<0.8);Entries;", kTH1F, {{300, 0, 3000}});
210194
histos.add("Nch", ";#it{N}_{ch} (|#eta| < 0.8, Corrected);", kTH1F, {{nBinsNch, minNch, maxNch}});
211-
histos.add("NchVsOneParCorr", ";#it{N}_{ch} (|#eta| < 0.8, Corrected);#LT[#it{p}_{T}^{(1)}]#GT (GeV/#it{c})", kTProfile, {{nBinsNch, minNch, maxNch}});
212195
histos.add("EtaVsPhi", ";#eta;#varphi", kTH2F, {{{axisEta}, {100, -0.1 * PI, +2.1 * PI}}});
213196
histos.add("ZposVsEta", "", kTProfile, {axisZpos});
214-
histos.add("sigma1Pt", ";;#sigma(p_{T})/p_{T};", kTProfile, {axisPt});
215197
histos.add("dcaXYvspT", ";DCA_{xy} (cm);;", kTH2F, {{{50, -1., 1.}, {axisPt}}});
216-
histos.add("GlobalMult_vs_FT0C", "GlobalMult_vs_FT0C", kTH2F, {axisMult, axisFT0CMult});
217-
histos.add("VtxZHist", "VtxZHist", kTH1D, {axisVtxZ});
218198

219199
// event selection steps
220200
histos.add("eventSelectionSteps", "eventSelectionSteps", kTH1D, {axisEvent});
@@ -254,16 +234,31 @@ struct FlowZdcTask {
254234
histos.add("ZPAenergy", "common sum ZP energy side a", kTH1F, {axisZP});
255235
histos.add("ZNenergy", "common sum zn (a + c sides) energy", kTH1F, {axisZN});
256236
histos.add("ZPenergy", "common sum zp energy (a + c sides)", kTH1F, {axisZP});
257-
histos.add("hZNvsFT0CAmp", "ZN Energy vs FT0C Amplitude", kTH2F, {axisFT0CAmp, axisZN});
258-
histos.add("hZPvsFT0CAmp", "ZP Energy vs FT0C Amplitude", kTH2F, {axisFT0CAmp, axisZP});
237+
histos.add("hZNvsFT0CAmp", "ZN Energy vs FT0C Amplitude", kTH2F, {{nBinsAmpFT0, 0., maxAmpFT0}, axisZN});
238+
histos.add("hZPvsFT0CAmp", "ZP Energy vs FT0C Amplitude", kTH2F, {{nBinsAmpFT0, 0., maxAmpFT0}, axisZP});
259239
histos.add("hZNvsMult", "ZN Energy vs Multiplicity", kTH2F, {axisMultiplicity, axisZN});
260240
histos.add("hZPvsMult", "ZP Energy vs Multiplicity", kTH2F, {axisMultiplicity, axisZP});
261241
}
262242

263243
if (doprocessQA) {
264-
histos.add("ZNVsFT0A", ";T0A (#times 1/100);ZNA+ZNC;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZn}}});
265-
histos.add("ZNVsFT0C", ";T0C (#times 1/100);ZNA+ZNC;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZn}}});
266-
histos.add("ZNVsFT0M", ";T0A+T0C (#times 1/100);ZNA+ZNC;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0M}, {nBinsZDC, -0.5, maxZn}}});
244+
histos.add("ZNVsFT0A", ";T0A (#times 1/100);ZNA+ZNC Sector Energy;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZn}}});
245+
histos.add("ZNVsFT0C", ";T0C (#times 1/100);ZNA+ZNC Sector Energy;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZn}}});
246+
histos.add("ZNVsFT0M", ";T0A+T0C (#times 1/100);ZNA+ZNC Sector Energy;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0M}, {nBinsZDC, -0.5, maxZn}}});
247+
histos.add("ZPVsFT0A", ";T0A (#times 1/100);ZPA+ZPC Sector Energy;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZp}}});
248+
histos.add("ZPVsFT0C", ";T0C (#times 1/100);ZPA+ZPC Sector Energy;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZp}}});
249+
histos.add("ZPVsFT0M", ";T0A+T0C (#times 1/100);ZPA+ZPC Sector Energy;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0M}, {nBinsZDC, -0.5, maxZp}}});
250+
histos.add("ZNAVsFT0A", ";T0A (#times 1/100);ZNA Sector;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZn}}});
251+
histos.add("ZNAVsFT0C", ";T0C (#times 1/100);ZNA Sector;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZn}}});
252+
histos.add("ZNAVsFT0M", ";T0A+T0C (#times 1/100);ZNA Sector;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0M}, {nBinsZDC, -0.5, maxZn}}});
253+
histos.add("ZNCVsFT0A", ";T0A (#times 1/100);ZNC Sector;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZn}}});
254+
histos.add("ZNCVsFT0C", ";T0C (#times 1/100);ZNC Sector;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZn}}});
255+
histos.add("ZNCVsFT0M", ";T0A+T0C (#times 1/100);ZNC Sector;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0M}, {nBinsZDC, -0.5, maxZn}}});
256+
histos.add("ZPAVsFT0A", ";T0A (#times 1/100);ZPA Sector;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZp}}});
257+
histos.add("ZPAVsFT0C", ";T0C (#times 1/100);ZPA Sector;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZp}}});
258+
histos.add("ZPAVsFT0M", ";T0A+T0C (#times 1/100);ZPA Sector;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0M}, {nBinsZDC, -0.5, maxZp}}});
259+
histos.add("ZPCVsFT0A", ";T0A (#times 1/100);ZPC Sector;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZp}}});
260+
histos.add("ZPCVsFT0C", ";T0C (#times 1/100);ZPC Sector;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0}, {nBinsZDC, -0.5, maxZp}}});
261+
histos.add("ZPCVsFT0M", ";T0A+T0C (#times 1/100);ZPC Sector;", kTH2F, {{{nBinsAmpFT0, 0., maxAmpFT0M}, {nBinsZDC, -0.5, maxZp}}});
267262
histos.add("ZN", ";ZNA+ZNC;Entries;", kTH1F, {{nBinsZDC, -0.5, maxZn}});
268263
histos.add("ZNA", ";ZNA Amplitude;Entries;", kTH1F, {{nBinsZDC, -0.5, maxZn}});
269264
histos.add("ZPA", ";ZPA Amplitude;Entries;", kTH1F, {{nBinsZDC, -0.5, maxZp}});
@@ -293,7 +288,6 @@ struct FlowZdcTask {
293288
histos.add("ZEM1Vstdc", ";t_{ZEM1};ZEM1;", kTH2F, {{{30, -15., 15.}, {30, -0.5, 2000.5}}});
294289
histos.add("ZEM2Vstdc", ";t_{ZEM2};ZEM2;", kTH2F, {{{30, -15., 15.}, {30, -0.5, 2000.5}}});
295290
histos.add("debunch", ";t_{ZDC}-t_{ZDA};t_{ZDC}+t_{ZDA}", kTH2F, {{{nBinsTDC, minTdc, maxTdc}, {nBinsTDC, minTdc, maxTdc}}});
296-
297291
histos.add("GlbTracks", "Nch", kTH1F, {{nBinsNch, minNch, maxNch}});
298292
histos.add("ampFT0C", ";T0C (#times 1/100);", kTH1F, {{nBinsAmpFT0, 0., maxAmpFT0}});
299293
histos.add("ampFT0A", ";T0A (#times 1/100);", kTH1F, {{nBinsAmpFT0, 0., maxAmpFT0}});
@@ -317,6 +311,12 @@ struct FlowZdcTask {
317311
histos.add("pZPCvsFT0Ccent", ";FT0C centrality;ZPC Amplitude", kTProfile, {{nBinsCent, minT0CcentCut, maxT0CcentCut}});
318312
histos.add("pZPAvsGlbTrack", ";Global Tracks (ITS + TPC);ZPA Amplitude", kTProfile, {{nBinsNch, minNch, maxNch}});
319313
histos.add("pZPCvsGlbTrack", ";Global Tracks (ITS + TPC);ZPC Amplitude", kTProfile, {{nBinsNch, minNch, maxNch}});
314+
histos.add("hZPASectorvsGlbTrack", ";Global Tracks (ITS + TPC);ZPA Sector Energy", kTH2F, {{{nBinsNch, minNch, maxNch}, {nBinsZDC, minNch, maxZp}}});
315+
histos.add("hZPCSectorvsGlbTrack", ";Global Tracks (ITS + TPC);ZPC Sector Energy", kTH2F, {{{nBinsNch, minNch, maxNch}, {nBinsZDC, minNch, maxZp}}});
316+
histos.add("hZNASectorvsGlbTrack", ";Global Tracks (ITS + TPC);ZNA Sector Energy", kTH2F, {{{nBinsNch, minNch, maxNch}, {nBinsZDC, minNch, maxZn}}});
317+
histos.add("hZNCSectorvsGlbTrack", ";Global Tracks (ITS + TPC);ZNC Sector Energy", kTH2F, {{{nBinsNch, minNch, maxNch}, {nBinsZDC, minNch, maxZn}}});
318+
histos.add("hZPSectorvsGlbTrack", ";Global Tracks (ITS + TPC);(ZPA + ZPC) Sector Energy", kTH2F, {{{nBinsNch, minNch, maxNch}, {nBinsZDC, minNch, maxZp}}});
319+
histos.add("hZNSectorvsGlbTrack", ";Global Tracks (ITS + TPC);(ZNA + ZNC) Sector Energy", kTH2F, {{{nBinsNch, minNch, maxNch}, {nBinsZDC, minNch, maxZn}}});
320320
}
321321
if (doprocessZdc) {
322322
histos.add("commonZna", ";ZNA Common Energy;Entries;", kTH1F, {{nBinsZDC, -0.5, maxZn}});
@@ -481,6 +481,8 @@ struct FlowZdcTask {
481481
float sumZNA = ((zdc.energySectorZNA())[0] + (zdc.energySectorZNA())[1] + (zdc.energySectorZNA())[2] + (zdc.energySectorZNA())[3]) / cfgCollisionEnergy;
482482
float sumZPC = ((zdc.energySectorZPC())[0] + (zdc.energySectorZPC())[1] + (zdc.energySectorZPC())[2] + (zdc.energySectorZPC())[3]) / cfgCollisionEnergy;
483483
float sumZPA = ((zdc.energySectorZPA())[0] + (zdc.energySectorZPA())[1] + (zdc.energySectorZPA())[2] + (zdc.energySectorZPA())[3]) / cfgCollisionEnergy;
484+
float sumSectZN = (sumZNC + sumZNA);
485+
float sumSectZP = (sumZPC + sumZPA);
484486

485487
// TDC cut
486488
if (isTDCcut) {
@@ -572,9 +574,24 @@ struct FlowZdcTask {
572574
histos.fill(HIST("ZNCVstdc"), tZNC, znC);
573575
histos.fill(HIST("ZNAVstdc"), tZNA, znA);
574576
histos.fill(HIST("ZPCVstdc"), tZPC, zpC);
575-
histos.fill(HIST("ZNVsFT0A"), aT0A / 100., sumZNs);
576-
histos.fill(HIST("ZNVsFT0C"), aT0C / 100., sumZNs);
577-
histos.fill(HIST("ZNVsFT0M"), (aT0A + aT0C) / 100., sumZNs);
577+
histos.fill(HIST("ZNVsFT0A"), aT0A / 100., sumSectZN);
578+
histos.fill(HIST("ZNVsFT0C"), aT0C / 100., sumSectZN);
579+
histos.fill(HIST("ZNVsFT0M"), (aT0A + aT0C) / 100., sumSectZN);
580+
histos.fill(HIST("ZPVsFT0A"), aT0A / 100., sumSectZP);
581+
histos.fill(HIST("ZPVsFT0C"), aT0C / 100., sumSectZP);
582+
histos.fill(HIST("ZPVsFT0M"), (aT0A + aT0C) / 100., sumSectZP);
583+
histos.fill(HIST("ZPAVsFT0A"), aT0A / 100., sumZPA);
584+
histos.fill(HIST("ZPAVsFT0C"), aT0C / 100., sumZPA);
585+
histos.fill(HIST("ZPAVsFT0M"), (aT0A + aT0C) / 100., sumZPA);
586+
histos.fill(HIST("ZPCVsFT0A"), aT0A / 100., sumZPC);
587+
histos.fill(HIST("ZPCVsFT0C"), aT0C / 100., sumZPC);
588+
histos.fill(HIST("ZPCVsFT0M"), (aT0A + aT0C) / 100., sumZPC);
589+
histos.fill(HIST("ZNCVsFT0A"), aT0A / 100., sumZNC);
590+
histos.fill(HIST("ZNCVsFT0C"), aT0C / 100., sumZNC);
591+
histos.fill(HIST("ZNCVsFT0M"), (aT0A + aT0C) / 100., sumZNC);
592+
histos.fill(HIST("ZNAVsFT0A"), aT0A / 100., sumZNA);
593+
histos.fill(HIST("ZNAVsFT0C"), aT0C / 100., sumZNA);
594+
histos.fill(HIST("ZNAVsFT0M"), (aT0A + aT0C) / 100., sumZNA);
578595
histos.fill(HIST("ZPA"), zpA);
579596
histos.fill(HIST("ZPACommon"), commonSumZpa);
580597
histos.fill(HIST("ZPASector"), sumZPA);
@@ -588,11 +605,17 @@ struct FlowZdcTask {
588605
if (std::isfinite(zpA) && !std::isnan(zpA) && cent >= minT0CcentCut && cent < maxT0CcentCut && glbTracks >= minNch && glbTracks < maxNch) {
589606
histos.fill(HIST("pZPAvsFT0Ccent"), cent, zpA);
590607
histos.fill(HIST("pZPAvsGlbTrack"), glbTracks, zpA);
608+
histos.fill(HIST("hZPASectorvsGlbTrack"), glbTracks, sumZPA);
591609
}
592610
if (std::isfinite(zpC) && !std::isnan(zpC) && cent >= minT0CcentCut && cent < maxT0CcentCut && glbTracks >= minNch && glbTracks < maxNch) {
593611
histos.fill(HIST("pZPCvsFT0Ccent"), cent, zpC);
594612
histos.fill(HIST("pZPCvsGlbTrack"), glbTracks, zpC);
613+
histos.fill(HIST("hZPCSectorvsGlbTrack"), glbTracks, sumZPC);
595614
}
615+
histos.fill(HIST("hZNASectorvsGlbTrack"), glbTracks, sumZNA);
616+
histos.fill(HIST("hZNCSectorvsGlbTrack"), glbTracks, sumZNC);
617+
histos.fill(HIST("hZPSectorvsGlbTrack"), glbTracks, sumSectZP);
618+
histos.fill(HIST("hZNSectorvsGlbTrack"), glbTracks, sumSectZN);
596619
// ZDC Correlations
597620
histos.fill(HIST("ZNAVsZNC"), znC, znA);
598621
histos.fill(HIST("ZNAVsZPA"), zpA, znA);
@@ -619,6 +642,7 @@ struct FlowZdcTask {
619642
histos.fill(HIST("NchVsFT0A"), aT0A / 100., glbTracks);
620643
histos.fill(HIST("NchVsFT0C"), aT0C / 100., glbTracks);
621644
histos.fill(HIST("NchVsFT0M"), (aT0A + aT0C) / 100., glbTracks);
645+
histos.fill(HIST("hNchvsNPV"), collision.multNTracksPVeta1(), tracks.size());
622646
histos.fill(HIST("NchVsEt"), et, glbTracks);
623647
histos.fill(HIST("NchVsITStracks"), itsTracks, glbTracks);
624648
if (glbTracks >= minNchSel) {
@@ -786,7 +810,6 @@ struct FlowZdcTask {
786810
histos.fill(HIST("hZPvsFT0CAmp"), ft0cAmp, sumZP);
787811
histos.fill(HIST("hZNvsMult"), nTot, sumZN);
788812
histos.fill(HIST("hZPvsMult"), nTot, sumZP);
789-
histos.fill(HIST("hNchvsNPV"), collision.multNTracksPVeta1(), nTot);
790813
histos.fill(HIST("Nch"), nchMult);
791814
histos.fill(HIST("ZNamp"), sumZNs);
792815
histos.fill(HIST("NchVsZN"), nchMult, sumZNs);

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