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Triggers for displaced decays of long-lived neutral particles in the ATLAS detector

Research output: Contribution to journalJournal article


Article numberP07015
<mark>Journal publication date</mark>07/2013
<mark>Journal</mark>Journal of Instrumentation
Number of pages35
<mark>Original language</mark>English


A set of three dedicated triggers designed to detect long-lived neutral particles decaying throughout the ATLAS detector to a pair of hadronic jets is described. The efficiencies of the triggers for selecting displaced decays as a function of the decay position are presented for simulated events. The effect of pile-up interactions on the trigger efficiencies and the dependence of the trigger rate on instantaneous luminosity during the 2012 data-taking period at the LHC are discussed.

Bibliographic note

c CERN 2013 for the benefit of the ATLAS collaboration published under the terms of the Creative Commons Attribution 3.0 License by IOP Publishing Ltd and Sissa Medialab srl. Any further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation and DOI.