PWGHF: Added processes to select Sc collisions with comments implimented

Author: singhra1994

PWGHF/HFC/Utils/utilsCorrelations.h

@@ -28,8 +28,6 @@
 #include "Common/DataModel/PIDResponseTPC.h"
 #include "Common/DataModel/PIDResponseTOF.h"
 
-// HfHelper hfHelper;
-
 namespace o2::analysis::hf_correlations
 {
 enum Region {
@@ -125,14 +123,15 @@ bool passPIDSelection(Atrack const& track, SpeciesContainer const mPIDspecies,
   return true; // Passed all checks
 }
 
+//function to select candidate based on PDF and decay channels and their mass
 template <bool isScCand, typename McParticle>
 bool matchCandAndMass(McParticle const& particle, double& massCand)
 {
   const auto pdgCand = std::abs(particle.pdgCode());
   const auto matchGenFlag = std::abs(particle.flagMcMatchGen());
 
   // Validate PDG code based on candidate type
-  if constexpr (isScCand) {
+  if (isScCand) {
     if (!(pdgCand == o2::constants::physics::Pdg::kSigmaC0 ||
           pdgCand == o2::constants::physics::Pdg::kSigmaCPlusPlus ||
           pdgCand == o2::constants::physics::Pdg::kSigmaCStar0 ||
@@ -147,28 +146,34 @@ bool matchCandAndMass(McParticle const& particle, double& massCand)
 
   // Map decay type to mass
   switch (matchGenFlag) {
-    case BIT(aod::hf_cand_sigmac::DecayType::Sc0ToPKPiPi):
+    case BIT(aod::hf_cand_sigmac::DecayType::Sc0ToPKPiPi):{
       massCand = o2::constants::physics::MassSigmaC0;
       return true;
+    }
 
-    case BIT(aod::hf_cand_sigmac::DecayType::ScStar0ToPKPiPi):
+    case BIT(aod::hf_cand_sigmac::DecayType::ScStar0ToPKPiPi):{
       massCand = o2::constants::physics::MassSigmaCStar0;
       return true;
+    }
 
-    case BIT(aod::hf_cand_sigmac::DecayType::ScplusplusToPKPiPi):
+    case BIT(aod::hf_cand_sigmac::DecayType::ScplusplusToPKPiPi):{
       massCand = o2::constants::physics::MassSigmaCStarPlusPlus;
       return true;
+    }
 
-    case BIT(aod::hf_cand_sigmac::DecayType::ScStarPlusPlusToPKPiPi):
+    case BIT(aod::hf_cand_sigmac::DecayType::ScStarPlusPlusToPKPiPi):{
       massCand = o2::constants::physics::MassSigmaCStarPlusPlus;
       return true;
+    }
 
-    case hf_decay::hf_cand_3prong::DecayChannelMain::LcToPKPi:
+    case hf_decay::hf_cand_3prong::DecayChannelMain::LcToPKPi:{
       massCand = o2::constants::physics::MassLambdaCPlus;
       return true;
+    }
 
-    default:
+    default:{
       return false;
+    }
   }
 }