[PWGCF] added removed workflow in CMakeList; electron rejection cut added in PID (#9647)

Author: SwatiSaha-1997

PWGCF/EbyEFluctuations/Tasks/CMakeLists.txt

@@ -24,6 +24,11 @@ o2physics_add_dpl_workflow(netproton-cumulants
                     PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore O2Physics::PWGCFCore
                     COMPONENT_NAME Analysis)
 
+o2physics_add_dpl_workflow(netproton-cumulants-mc
+                    SOURCES netprotonCumulantsMc.cxx
+                    PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore O2Physics::PWGCFCore
+                    COMPONENT_NAME Analysis)
+
 o2physics_add_dpl_workflow(identified-meanpt-fluctuations
                     SOURCES IdentifiedMeanPtFluctuations.cxx
                     PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore O2Physics::PWGCFCore

PWGCF/EbyEFluctuations/Tasks/netprotonCumulantsMc.cxx

@@ -816,6 +816,11 @@ struct NetprotonCumulantsMc {
   template <typename T>
   bool selectionPIDnew(const T& candidate)
   {
+    // electron rejection
+    if (candidate.tpcNSigmaEl() > -3.0f && candidate.tpcNSigmaEl() < 5.0f && std::abs(candidate.tpcNSigmaPi()) > 3.0f && std::abs(candidate.tpcNSigmaKa()) > 3.0f && std::abs(candidate.tpcNSigmaPr()) > 3.0f) {
+      return false;
+    }
+
     //! if pt < threshold
     if (candidate.pt() > 0.2f && candidate.pt() <= cfgCutPtUpperTPC) {
       if (!candidate.hasTOF() && std::abs(candidate.tpcNSigmaPr()) < cfgnSigmaCutTPC && std::abs(candidate.tpcNSigmaPi()) > cfgnSigmaCutTPC && std::abs(candidate.tpcNSigmaKa()) > cfgnSigmaCutTPC) {
@@ -1070,6 +1075,9 @@ struct NetprotonCumulantsMc {
       {
         continue;
       }
+      if ((track.pt() < cfgCutPtLower) || (track.pt() > 5.0f) || (std::abs(track.eta()) > 0.8f)) {
+        continue;
+      }
 
       histos.fill(HIST("hrecPtAll"), track.pt());
       histos.fill(HIST("hrecEtaAll"), track.eta());