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

CollaborationWith : Abdelalim Aly, Ahmed Aly / Alexandre, Gauthier / Backes, Moritz / Barone, Gaetano / Bell, Paul / Bell, William / Benhar Noccioli, Eleonora / Bucci, Francesca / Camacho Toro, Reina / Clark, Allan Geoffrey / Doglioni, Caterina / Ferrere, Didier / Gadomski, Szymon / Gonzalez Sevilla, Sergio / Goulette, Marc / Guescini, Francesco / Iacobucci, Giuseppe / La Rosa, Alessandro / Martin Dit Latour, Bertrand / Mermod, Philippe / Mora Herrera, Maria Clemencia Rosario / Nektarijevic, Snezana / Nikolics, Katalin / Pasztor, Arpad / Picazio, Attilio / Pohl, Martin / Rosbach, Kilian / Wu, Xin
Published in Journal of Instrumentation. 2013, vol. 8, no. P07015, p. 34
Abstract 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.
Keywords Trigger concepts and systems (hardware and software)Online farms and online filteringTrigger algorithms
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Other version: http://iopscience.iop.org/1748-0221/8/07/P07015/
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ATLAS COLLABORATION. Triggers for displaced decays of long-lived neutral particles in the ATLAS detector. In: Journal of Instrumentation, 2013, vol. 8, n° P07015, p. 34. https://archive-ouverte.unige.ch/unige:38941

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Deposited on : 2014-07-28

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