Draft: feature/LbtoLctaunu_backgrounds_decfiles
This MR includes the additional background modes for R(Lc):
- Lb -> LcDsX decay file for with Ds decaying in at least three pions.
- Lb -> Lc(2593)DsX decay file for with Ds decaying in at least three pions
- Lb -> Lc(2625)DsX decay file for with Ds decaying in at least three pions
_ Lb -> Sigma_c++ tau, with Sigma_c++ decaying to Lc pi+ and tau to 3pions. Here Lc will decays via 4 different modes in 4 different .dec files: 1. Lc to L0 pi 2. Lc to pKpi 3. Lc to pKs 4. Lc to p Phi
Edited by Racha Cheaib