New EvtGen models for chi_cJ -> psi mu mu decays
See merge request !230 (merged)
(cherry picked from commit 14fac1e7) i.e. 'cherry-pick-7d0ebd3b' into 'Sim09-upgrade' of
961a2167 Merge branch 'chic_models_v49r8' into 'Sim09' (MR !207 (merged))
See merge request !230 (merged)
(cherry picked from commit 14fac1e7) i.e. 'cherry-pick-7d0ebd3b' into 'Sim09-upgrade' of
961a2167 Merge branch 'chic_models_v49r8' into 'Sim09' (MR !207 (merged))