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UCATLAS / xAODAnaHelpers

ATLAS Run 2 and Run 3 analysis framework for AnalysisTop and AnalysisBase for proton-smashing physics
https://ucatlas.github.io/xAODAnaHelpers/
Apache License 2.0
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Non-Collision Background flag in HelpTreeBase #278

Open urania277 opened 8 years ago

urania277 commented 8 years ago

Hi all,

is anyone already adding the non-collision background flag to HelpTreeBase / is anyone else interested in it? It'd be useful for the dijets, and I'm attaching the email below.

Thanks, Caterina

%%%

Since run 279932 taken on 20/09, you can check for the presence of beam-induced backgrounds by looking at the bits in the background word in EventInfo in the following way:

backgroundFlags&(1<<20)

kratsg commented 7 years ago

@urania277 is this added or still needed? If needed, either tell me what changes need to be made or submit a PR.