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

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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.
Original languageUnknown
Pages (from-to)P07015
JournalJournal of Instrumentation
Issue numberNA
Publication statusPublished - 1 Jan 2013

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