[PWGHF] Add competing rejection and KF preselect ion for Omegac0 -> Omega Pi analysis (#9390)

Co-authored-by: ALICE Action Bot <alibuild@cern.ch>
Co-authored-by: Mattia Faggin <mattia.faggin@cern.ch>

Author: 3 people

PWGHF/DataModel/CandidateReconstructionTables.h

@@ -1077,7 +1077,9 @@ enum DecayType2Prong { XiczeroOmegaczeroToXiPi = 0,
                        OmegaczeroToOmegaPi,
                        OmegaczeroToOmegaK,
                        N2ProngDecays }; // always keep N2ProngDecays at the end
-
+// mapping of construct method
+enum ConstructMethod { DcaFitter = 0,
+                       KfParticle };
 // mapping of decay types
 enum DecayType3Prong { XicplusToXiPiPi = 0,
                        N3ProngDecays }; // always keep N3ProngDecays at the end
@@ -1361,6 +1363,7 @@ DECLARE_SOA_COLUMN(OmegacChi2OverNdf, omegacChi2OverNdf, float);
 DECLARE_SOA_COLUMN(XicChi2OverNdf, xicChi2OverNdf, float);
 DECLARE_SOA_COLUMN(MassV0Chi2OverNdf, massV0Chi2OverNdf, float);
 DECLARE_SOA_COLUMN(MassCascChi2OverNdf, massCascChi2OverNdf, float);
+DECLARE_SOA_COLUMN(CascRejectInvmass, cascRejectInvmass, float);
 
 // MC matching result:
 DECLARE_SOA_COLUMN(FlagMcMatchRec, flagMcMatchRec, int8_t); // reconstruction level
@@ -1505,7 +1508,7 @@ DECLARE_SOA_TABLE(HfOmegacKf, "AOD", "HFOMEGACKF", //!
                   hf_cand_xic0_omegac0::V0Ndf, hf_cand_xic0_omegac0::CascNdf, hf_cand_xic0_omegac0::OmegacNdf,
                   hf_cand_xic0_omegac0::MassV0Ndf, hf_cand_xic0_omegac0::MassCascNdf,
                   hf_cand_xic0_omegac0::V0Chi2OverNdf, hf_cand_xic0_omegac0::CascChi2OverNdf, hf_cand_xic0_omegac0::OmegacChi2OverNdf,
-                  hf_cand_xic0_omegac0::MassV0Chi2OverNdf, hf_cand_xic0_omegac0::MassCascChi2OverNdf);
+                  hf_cand_xic0_omegac0::MassV0Chi2OverNdf, hf_cand_xic0_omegac0::MassCascChi2OverNdf, hf_cand_xic0_omegac0::CascRejectInvmass);
 
 DECLARE_SOA_TABLE(HfCandToXiPiKf, "AOD", "HFCANDTOXIPIKF", //!
                   o2::soa::Index<>,