Sweeping !38036 from 21.0 to master. Update Quasi-stable particle definition in GenParticleSimWhiteList (!38482) · Merge requests · atlas / athena · GitLab

Atlas Nightlybuild requested to merge cherry-pick-1eac7cfc5ac-master into master Nov 21, 2020

Update Quasi-stable particle definition in GenParticleSimWhiteList

See merge request !38036 (merged)