PWGEM/PhotonMeson: add process EE MC only (#5730)

Author: dsekihat

PWGEM/PhotonMeson/TableProducer/associateMCinfo.cxx

@@ -533,6 +533,11 @@ struct AssociateMCInfo {
     const uint8_t sysflag = kPCM | kDalitzEE;
     skimmingMC<sysflag>(collisions, bcs, mccollisions, mcTracks, o2tracks, v0photons, v0legs, nullptr, nullptr, emprimaryelectrons, nullptr);
   }
+  void processMC_DalitzEE(MyCollisionsMC const& collisions, aod::BCs const& bcs, aod::McCollisions const& mccollisions, aod::McParticles const& mcTracks, TracksMC const& o2tracks, aod::EMPrimaryElectrons const& emprimaryelectrons)
+  {
+    const uint8_t sysflag = kDalitzEE;
+    skimmingMC<sysflag>(collisions, bcs, mccollisions, mcTracks, o2tracks, nullptr, nullptr, nullptr, nullptr, emprimaryelectrons, nullptr);
+  }
   void processMC_PCM_DalitzEE_DalitzMuMu(MyCollisionsMC const& collisions, aod::BCs const& bcs, aod::McCollisions const& mccollisions, aod::McParticles const& mcTracks, TracksMC const& o2tracks, aod::V0PhotonsKF const& v0photons, aod::V0Legs const& v0legs, aod::EMPrimaryElectrons const& emprimaryelectrons, aod::EMPrimaryMuons const& emprimarymuons)
   {
     const uint8_t sysflag = kPCM | kDalitzEE | kDalitzMuMu;
@@ -587,6 +592,7 @@ struct AssociateMCInfo {
 
   PROCESS_SWITCH(AssociateMCInfo, processMC_PCM, "create em mc event table for PCM", false);
   PROCESS_SWITCH(AssociateMCInfo, processMC_PCM_DalitzEE, "create em mc event table for PCM, DalitzEE", false);
+  PROCESS_SWITCH(AssociateMCInfo, processMC_DalitzEE, "create em mc event table for DalitzEE", false);
   PROCESS_SWITCH(AssociateMCInfo, processMC_PCM_DalitzEE_DalitzMuMu, "create em mc event table for PCM, DalitzEE, DalitzMuMu", false);
   PROCESS_SWITCH(AssociateMCInfo, processMC_PHOS, "create em mc event table for PHOS", false);
   PROCESS_SWITCH(AssociateMCInfo, processMC_EMC, "create em mc event table for EMCal", false);