netchargefluctu

.github/labeler.yml

@@ -16,6 +16,7 @@ infrastructure:
           - '.github/**'
           - '.checkov.yml'
           - '.mega-linter.yml'
+          - '.pre-commit-config.yaml'
           - 'cmake/**'
           - 'CODEOWNERS'
           - 'CPPLINT.cfg'

.pre-commit-config.yaml

@@ -0,0 +1,12 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+  - repo: https://github.com/pre-commit/mirrors-clang-format
+    rev: "v18.1.3" # clang-format version
+    hooks:
+      - id: clang-format

ALICE3/Core/FastTracker.cxx

@@ -90,7 +90,7 @@ void FastTracker::AddSiliconALICE3v4()
   layers.push_back(DetLayer{"ddd1", 1.2, 250, x0IT, xrhoIB, resRPhiIT, resZIT, eff, 1});
   layers.push_back(DetLayer{"ddd2", 2.5, 250, x0IT, xrhoIB, resRPhiIT, resZIT, eff, 1});
   layers.push_back(DetLayer{"bpipe1", 5.7, 250, 0.0014, 9.24e-02, 0.0f, 0.0f, 0.0f, 0}); // 500 mum Be
-  layers.push_back(DetLayer{"ddd3", 7., 250, x0OT, xrhoOB, resRPhiOT, resZOT, eff, 1});
+  layers.push_back(DetLayer{"ddd3", 7., 250, x0IT, xrhoIB, resRPhiIT, resZIT, eff, 1});
   layers.push_back(DetLayer{"ddd4", 10., 250, x0OT, xrhoOB, resRPhiOT, resZOT, eff, 1});
   layers.push_back(DetLayer{"ddd5", 13., 250, x0OT, xrhoOB, resRPhiOT, resZOT, eff, 1});
   layers.push_back(DetLayer{"ddd6", 16., 250, x0OT, xrhoOB, resRPhiOT, resZOT, eff, 1});
@@ -113,12 +113,12 @@ void FastTracker::AddSiliconALICE3v1()
   float resZOT = 0.00100;    // 5 mum
   float eff = 1.00;
 
-  layers.push_back(DetLayer{"bpipe0", 0.48, 250, 0.00042, 2.772e-02, 0.0f, 0.0f, 0.0f, 1}); // 150 mum Be
+  layers.push_back(DetLayer{"bpipe0", 0.48, 250, 0.00042, 2.772e-02, 0.0f, 0.0f, 0.0f, 0}); // 150 mum Be
   layers.push_back(DetLayer{"B00", 0.5, 250, x0IT, xrhoIB, resRPhiIT, resZIT, eff, 1});
   layers.push_back(DetLayer{"B01", 1.2, 250, x0IT, xrhoIB, resRPhiIT, resZIT, eff, 1});
   layers.push_back(DetLayer{"B02", 2.5, 250, x0IT, xrhoIB, resRPhiIT, resZIT, eff, 1});
-  layers.push_back(DetLayer{"bpipe1", 3.7, 250, 0.0014, 9.24e-02, 0.0f, 0.0f, 0.0f, 1}); // 500 mum Be
-  layers.push_back(DetLayer{"B03", 3.75, 250, x0OT, xrhoOB, resRPhiOT, resZOT, eff, 1});
+  layers.push_back(DetLayer{"bpipe1", 3.7, 250, 0.0014, 9.24e-02, 0.0f, 0.0f, 0.0f, 0}); // 500 mum Be
+  layers.push_back(DetLayer{"B03", 3.75, 250, x0IT, xrhoIB, resRPhiIT, resZIT, eff, 1});
   layers.push_back(DetLayer{"B04", 7., 250, x0OT, xrhoOB, resRPhiOT, resZOT, eff, 1});
   layers.push_back(DetLayer{"B05", 12., 250, x0OT, xrhoOB, resRPhiOT, resZOT, eff, 1});
   layers.push_back(DetLayer{"B06", 20., 250, x0OT, xrhoOB, resRPhiOT, resZOT, eff, 1});

ALICE3/TableProducer/alice3-decayfinder.cxx

@@ -91,6 +91,7 @@ struct alice3decayFinder {
   ConfigurableAxis axisPt{"axisPt", {VARIABLE_WIDTH, 0.0f, 0.1f, 0.2f, 0.3f, 0.4f, 0.5f, 0.6f, 0.7f, 0.8f, 0.9f, 1.0f, 1.1f, 1.2f, 1.3f, 1.4f, 1.5f, 1.6f, 1.7f, 1.8f, 1.9f, 2.0f, 2.2f, 2.4f, 2.6f, 2.8f, 3.0f, 3.2f, 3.4f, 3.6f, 3.8f, 4.0f, 4.4f, 4.8f, 5.2f, 5.6f, 6.0f, 6.5f, 7.0f, 7.5f, 8.0f, 9.0f, 10.0f, 11.0f, 12.0f, 13.0f, 14.0f, 15.0f, 17.0f, 19.0f, 21.0f, 23.0f, 25.0f, 30.0f, 35.0f, 40.0f, 50.0f}, "pt axis for QA histograms"};
   ConfigurableAxis axisDCA{"axisDCA", {200, -100, 100}, "DCA (#mum)"};
   ConfigurableAxis axisDMass{"axisDMass", {200, 1.765f, 1.965f}, "D Inv Mass (GeV/c^{2})"};
+  ConfigurableAxis axisDCADaughters{"axisDCADaughters", {200, 0, 100}, "DCA (#mum)"};
   ConfigurableAxis axisLcMass{"axisLcMass", {200, 2.186f, 2.386f}, "#Lambda_{c} Inv Mass (GeV/c^{2})"};
 
   o2::vertexing::DCAFitterN<2> fitter;
@@ -144,12 +145,14 @@ struct alice3decayFinder {
 
   // Helper struct to pass candidate information
   struct {
+    float dcaDau;
     float mass;
     float pt;
     float eta;
   } dmeson;
 
   struct {
+    float dcaDau;
     float mass;
     float pt;
     float eta;
@@ -181,8 +184,8 @@ struct alice3decayFinder {
     posTrack.getPxPyPzGlo(posP);
     negTrack.getPxPyPzGlo(negP);
 
-    float dcaDau = TMath::Sqrt(fitter.getChi2AtPCACandidate());
-    if (dcaDau > dcaDaughtersSelection)
+    dmeson.dcaDau = TMath::Sqrt(fitter.getChi2AtPCACandidate());
+    if (dmeson.dcaDau > dcaDaughtersSelection)
       return false;
 
     // return mass
@@ -222,8 +225,8 @@ struct alice3decayFinder {
     t1.getPxPyPzGlo(P1);
     t2.getPxPyPzGlo(P2);
 
-    float dcaDau = TMath::Sqrt(fitter3.getChi2AtPCACandidate());
-    if (dcaDau > dcaDaughtersSelection)
+    lcbaryon.dcaDau = TMath::Sqrt(fitter.getChi2AtPCACandidate());
+    if (lcbaryon.dcaDau > dcaDaughtersSelection)
       return false;
 
     // return mass
@@ -289,6 +292,8 @@ struct alice3decayFinder {
 
       histos.add("hMassD", "hMassD", kTH1F, {axisDMass});
       histos.add("hMassDbar", "hMassDbar", kTH1F, {axisDMass});
+      histos.add("hDCADDaughters", "hDCADDaughters", kTH1D, {axisDCADaughters});
+      histos.add("hDCADbarDaughters", "hDCADbarDaughters", kTH1D, {axisDCADaughters});
 
       if (doDCAplotsD) {
         histos.add("h2dDCAxyVsPtPiPlusFromD", "h2dDCAxyVsPtPiPlusFromD", kTH2F, {axisPt, axisDCA});
@@ -305,6 +310,8 @@ struct alice3decayFinder {
 
       histos.add("hMassLc", "hMassLc", kTH1F, {axisLcMass});
       histos.add("hMassLcbar", "hMassLcbar", kTH1F, {axisLcMass});
+      histos.add("hDCALcDaughters", "hDCALcDaughters", kTH1D, {axisDCADaughters});
+      histos.add("hDCALcbarDaughters", "hDCALcbarDaughters", kTH1D, {axisDCADaughters});
 
       if (doDCAplotsD) {
         histos.add("h2dDCAxyVsPtPiPlusFromLc", "h2dDCAxyVsPtPiPlusFromLc", kTH2F, {axisPt, axisDCA});
@@ -362,6 +369,7 @@ struct alice3decayFinder {
           continue;
         if (!buildDecayCandidateTwoBody(posTrackRow, negTrackRow, o2::constants::physics::MassPionCharged, o2::constants::physics::MassKaonCharged))
           continue;
+        histos.fill(HIST("hDCADDaughters"), dmeson.dcaDau * 1e+4);
         histos.fill(HIST("hMassD"), dmeson.mass);
         histos.fill(HIST("h3dRecD"), dmeson.pt, dmeson.eta, dmeson.mass);
       }
@@ -373,6 +381,7 @@ struct alice3decayFinder {
           continue;
         if (!buildDecayCandidateTwoBody(posTrackRow, negTrackRow, o2::constants::physics::MassKaonCharged, o2::constants::physics::MassPionCharged))
           continue;
+        histos.fill(HIST("hDCADbarDaughters"), dmeson.dcaDau * 1e+4);
         histos.fill(HIST("hMassDbar"), dmeson.mass);
         histos.fill(HIST("h3dRecDbar"), dmeson.pt, dmeson.eta, dmeson.mass);
       }
@@ -417,6 +426,7 @@ struct alice3decayFinder {
             continue;
           if (!buildDecayCandidateThreeBody(proton, kaon, pion, o2::constants::physics::MassProton, o2::constants::physics::MassKaonCharged, o2::constants::physics::MassPionCharged))
             continue;
+          histos.fill(HIST("hDCALcDaughters"), lcbaryon.dcaDau);
           histos.fill(HIST("hMassLc"), lcbaryon.mass);
           histos.fill(HIST("h3dRecLc"), lcbaryon.pt, lcbaryon.eta, lcbaryon.mass);
         }
@@ -432,6 +442,7 @@ struct alice3decayFinder {
             continue;
           if (!buildDecayCandidateThreeBody(proton, kaon, pion, o2::constants::physics::MassProton, o2::constants::physics::MassKaonCharged, o2::constants::physics::MassPionCharged))
             continue;
+          histos.fill(HIST("hDCALcbarDaughters"), lcbaryon.dcaDau);
           histos.fill(HIST("hMassLcbar"), lcbaryon.mass);
           histos.fill(HIST("h3dRecLcbar"), lcbaryon.pt, lcbaryon.eta, lcbaryon.mass);
         }

ALICE3/TableProducer/alice3-pidTOF.cxx

@@ -123,7 +123,7 @@ struct ALICE3pidTOFTask {
     if (!track.hasTOF()) {
       return -999.f;
     }
-    return ((track.trackTime() - track.collision().collisionTime()) * 1000.f - o2::pid::tof::ExpTimes<Trks::iterator, id>::ComputeExpectedTime(track.tofExpMom() / o2::pid::tof::kCSPEED,
+    return ((track.trackTime() - track.collision().collisionTime()) * 1000.f - o2::pid::tof::ExpTimes<Trks::iterator, id>::ComputeExpectedTime(track.tofExpMom() * o2::constants::physics::invLightSpeedCm2PS,
                                                                                                                                                track.length())) /
            sigma<id>(track);
   }
@@ -294,7 +294,7 @@ struct ALICE3pidTOFTaskQA {
       //
       // histos.fill(HIST("event/tofsignal"), t.p(), t.tofSignal());
       histos.fill(HIST("event/tofsignal"), t.p(), tofSignal);
-      histos.fill(HIST("event/pexp"), t.p(), t.tofExpMom() / o2::pid::tof::kCSPEED);
+      histos.fill(HIST("event/pexp"), t.p(), t.tofExpMom() * o2::constants::physics::invLightSpeedCm2PS);
       histos.fill(HIST("event/eta"), t.eta());
       histos.fill(HIST("event/length"), t.length());
       histos.fill(HIST("event/pt"), t.pt());

CODEOWNERS

@@ -36,7 +36,7 @@
 /PWGEM @alibuild @feisenhu @dsekihat @ivorobye
 /PWGEM/Dilepton @alibuild @mikesas @rbailhac @dsekihat @ivorobye @feisenhu
 /PWGEM/PhotonMeson @alibuild @mikesas @rbailhac @m-c-danisch @novitzky @mhemmer-cern @dsekihat
-/PWGHF @alibuild @vkucera @fcolamar @fgrosa @fcatalan92 @mfaggin @mmazzilli @deepathoms @NicoleBastid @hahassan7 @jpxrk @apalasciano
+/PWGHF @alibuild @vkucera @fcolamar @fgrosa @fcatalan92 @mfaggin @mmazzilli @deepathoms @NicoleBastid @hahassan7 @jpxrk @apalasciano @zhangbiao-phy
 # PWG-LF
 /PWGLF @alibuild @njacazio @skundu692
 /PWGLF/Tasks/GlobalEventProperties         @alibuild @njacazio @skundu692 @gbencedi @omvazque

Common/Core/CMakeLists.txt

@@ -13,6 +13,7 @@ o2physics_add_library(AnalysisCore
         SOURCES TrackSelection.cxx
         OrbitRange.cxx
         PID/ParamBase.cxx
+        PID/PIDTOF.cxx
         CollisionAssociation.cxx
         TrackSelectionDefaults.cxx
         EventPlaneHelper.cxx

Common/Core/PID/PIDTOF.cxx

@@ -0,0 +1,46 @@
+// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
+// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
+// All rights not expressly granted are reserved.
+//
+// This software is distributed under the terms of the GNU General Public
+// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
+//
+// In applying this license CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
+///
+/// \file   PIDTOF.cxx
+/// \author Nicolò Jacazio [email protected]
+/// \since  02/07/2020
+/// \brief  Implementation of the TOF detector response for PID
+///
+
+#include "PIDTOF.h"
+#include <string>
+
+namespace o2::pid::tof
+{
+
+void TOFResoParamsV3::setResolutionParametrizationRun2(std::unordered_map<std::string, float> const& pars)
+{
+  std::array<std::string, 13> paramNames{"TrkRes.Pi.P0", "TrkRes.Pi.P1", "TrkRes.Pi.P2", "TrkRes.Pi.P3", "time_resolution",
+                                         "TrkRes.Ka.P0", "TrkRes.Ka.P1", "TrkRes.Ka.P2", "TrkRes.Ka.P3",
+                                         "TrkRes.Pr.P0", "TrkRes.Pr.P1", "TrkRes.Pr.P2", "TrkRes.Pr.P3"};
+  // Now we override the parametrization to use the Run 2 one
+  for (int i = 0; i < 9; i++) {
+    if (mResolution[i]) {
+      delete mResolution[i];
+    }
+    mResolution[i] = new TF2(Form("tofResTrack.%s_Run2", particleNames[i]), "-10", 0., 20, -1, 1.); // With negative values the old one is used
+  }
+  // Print the map
+  for (const auto& [key, value] : pars) {
+    LOG(info) << "Key: " << key << " Value: " << value;
+  }
+  for (int i = 0; i < 13; i++) {
+    setParameter(i, pars.at(paramNames[i]));
+  }
+}
+
+} // namespace o2::pid::tof