Merge branch 'wvetens/BSLFrag_Run3' into 'master'
added new decfiles for SL B cocktail decays.
See merge request !2055 (merged)
(cherry picked from commit f87ecf74)
1c042766 added new decfiles for SL B cocktail decays.
Co-authored-by: Fernando Jesus Abudinen Gallego fernando.abudinen@cern.ch