Update BPHY13
Updated BPHY13.py for the BPhys LS 4-mu resonance search. The psi2S mass constraint is added for the 4-muon vertices. Also required numbers of Jpsi/psi2S/Upsi vertices to reduce the output file size.
Updated BPHY13.py for the BPhys LS 4-mu resonance search. The psi2S mass constraint is added for the 4-muon vertices. Also required numbers of Jpsi/psi2S/Upsi vertices to reduce the output file size.