Observation of double charmed tetraquark Tcc+

The analysis code used for two papers by the LHCb collaboration

1. "Observation of  an exotic narrow doubly charmed tetraquark", LHCb-PAPER-2021-031,   arXiv:2109.01038 [hep-ex]
2. "Study of the doubly charmed tetraquark $T_{cc}^+$", LHCb-PAPER-2021-032,   arXiv:2109.01056 [hep-ex]

This is code used for data analysis. Data processing code is accessible via LHCb GitLab 

Underlying dependence includes 

1.  ROOT project, version 6.20/06
2.  Ostap project. version 1.6.2.3