Draft: working Xic_XiMuNuPi with tight life time gen level cuts for DDL and LLL
Xic0--Xi- mu+ nu pi0, where 50% of events go through intermediate resonance Xi*- Xic+--Xi- mu+ nu pi+, where 50% of events go through intermediate resonance Xi*0 included life time cut for Xi and Lambda to be used for LLL and DDL original purpose is for the Xic0--Xi- mu+ nu analysis
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