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13–16 Feb 2025
Banff, Alberta
Canada/Mountain timezone
Please review your registration to ensure you have purchased meals. NO changes will be accepted after NOON Friday, February 7.

Tagging and Probing : Measuring muon trigger efficiencies with ATLAS

15 Feb 2025, 11:15
15m
Kinnear Centre Room (KC 303) (Banff, Alberta)

Kinnear Centre Room (KC 303)

Banff, Alberta

Contributed Oral Particle Physics Morning 4 - Particle Physics

Speaker

Surya Sundar Raman (TRIUMF/University of British Columbia)

Description

In order to perform searches for high-precision measurements and searches for new phenomena, experiments must account for differences between simulation and collected data. The LHC collects a huge amount of data every second, but only some of it is useful for various kinds of analyses. One way of filtering out useful events is by the usage of a sophisticated triggering system. In order to properly analyse data, it is crucial to accurately determine and model the efficiencies of these triggering systems. The "tag-and-probe" method is one way of doing that, through so-called "efficiency scale factors". This talk will discuss how this method is used to calculate efficiency scale factors for the ATLAS experiment's muon trigger system, showing results from the latest data-taking period. These factors are used in a wide variety of analyses, some examples will be given.

Your current academic level PhD student
Your Email sraman@triumf.ca
Affiliation TRIUMF
Supervisor Oliver Stelzer-Chilton
Supervisor Email stelzer-chilton@triumf.ca

Primary author

Surya Sundar Raman (TRIUMF/University of British Columbia)

Presentation materials

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