Sweeping !23714 from 21.0 to 21.3. Fixes to RHadron simulation (!23823) · Merge requests · atlas / athena · GitLab

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Atlas Nightlybuild requested to merge cherry-pick-7b0b7d9d3b-21.3 into 21.3 May 30, 2019

Fixes to RHadron simulation

See merge request !23714 (merged)