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This avoids the double counting of TPC loopers in embedding productions. - Background and signal both generated loopers covering the whole timeframe. - The signal transport now gets GenTPCLoopers.loopersVeto=true. - GenTPCLoopers settings given with -confKey are applied to the background. - A veto given for either transport switches loopers off in both. - The background loopers now use -colBkg as collision system, not -col. https://its.cern.ch/jira/browse/O2-7272 Co-authored-by: Marco Giacalone <mgiacalo@gmail.com> Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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REQUEST FOR PRODUCTION RELEASES: This will add The following labels are available |
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With embedding, the background and the signal transport each covered the whole timeframe with TPC loopers, so the loopers reached the digits twice. This PR proposes to handle that in the workflow: the signal transport gets
GenTPCLoopers.loopersVeto=true, and the background alone generates the loopers. Looper settings given for the signal are applied to the background, and a veto given for either transport switches the loopers off in both. In addition, the background loopers now follow-colBkgand no longer take the signal's collision system.Note that nothing changes without embedding. Replacement patterns (
r) are not handled specially, and with--use_bkg_fromthe loopers are whatever the cached background was produced with.This is meant as an alternative to AliceO2Group/AliceO2#16015, to be compared before deciding.
Relates to https://its.cern.ch/jira/browse/O2-7272
Assisted by Claude Code.