Merge branch 'vlisovsk_Jpsi24mumodels' into 'master'
Add alternative models for systematic studies in the rare Jpsi analysis
See merge request !1230 (merged)
(cherry picked from commit 51fced87)
14f4ef6f add the jpsi->4mu model with a 50 MeV resonance c5826f8e add alternative models e4757fa3 add the co-author name