Fix the reading of HepMcParticleLink_p1 in 21.3 (!31114) · Merge requests · atlas / athena

John Derek Chapman requested to merge jchapman/athena:BugFixHepMcParticleLinkCnv_p1_21.3 into 21.3 Mar 12, 2020

Even in 21.0 HepMcParticleLinks pointing to GenEvents which aren't the first entry in the McEventCollection are using the event numbers rather than the position McEventCollection as the eventIndex. This is a manual sweep of !31000 (merged) from master.

FYI @tlari, @jassahsa, @vpascuzz, @golling

Fix the reading of HepMcParticleLink_p1 in 21.3

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