Bugfix for Pythia8ForDecays (ATLASSIM-6687) (!65436) · Merge requests · atlas / athena

John Derek Chapman requested to merge jchapman/athena:FixPythia8ForDecays_ATLASSIM-6687_23.0 into 23.0 Aug 30, 2023

PDG ID was being used as the index of a size two vector. We assume that this was a typo, but original developers have left ATLAS. Currently there are no cases where the value of col would be set to zero, but leaving the check in place in case something changes in the future.

Comments very welcome.

Tagging @zmarshal, @averbyts, @labruce

Bugfix for Pythia8ForDecays (ATLASSIM-6687)

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