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[ALICE3] Fix crashes from otf decayer#15062

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njacazio merged 2 commits intoAliceO2Group:masterfrom
jesgum:decayer-patch
Feb 20, 2026
Merged

[ALICE3] Fix crashes from otf decayer#15062
njacazio merged 2 commits intoAliceO2Group:masterfrom
jesgum:decayer-patch

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@jesgum jesgum commented Feb 19, 2026

When decaying particles with large eta, I would frequently see daughters with NaN px, py and pz. This results in a crash when trying to smear. Adding a maxEta check and an extra check not to add these into the mcparticle to prevent this.

Decayer now works as expected in the otf workflow and I can run it with the tracker. The only issue with it is that it seems that I specifically have to run it over an AO2D file, because running it with the o2-sim-dpl-eventgen and o2-sim-mctracks-to-aod immediately crashes the workflow. Too be investigated

@github-actions github-actions bot changed the title Fix crashes from otf decayer [ALICE3] Fix crashes from otf decayer Feb 19, 2026
@njacazio njacazio enabled auto-merge (squash) February 19, 2026 20:37
@njacazio njacazio merged commit beb1271 into AliceO2Group:master Feb 20, 2026
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@jesgum jesgum deleted the decayer-patch branch February 20, 2026 20:40
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