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Performance of the ATLAS muon triggers in Run 2

Aad G.
•
Abbott B.
•
Abbott D. C.
altro
Zwalinski L.
2020
  • journal article

Periodico
JOURNAL OF INSTRUMENTATION
Abstract
The performance of the ATLAS muon trigger system is evaluated with proton-proton (pp) and heavy-ion (HI) collision data collected in Run 2 during 2015-2018 at the Large Hadron Collider. It is primarily evaluated using events containing a pair of muons from the decay of Z bosons to cover the intermediate momentum range between 26 GeV and 100 GeV. Overall, the efficiency of the single-muon triggers is about 68% in the barrel region and 85% in the endcap region. The pT range for efficiency determination is extended by using muons from decays of Jψ mesons, W bosons, and top quarks. The performance in HI collision data is measured and shows good agreement with the results obtained in pp collisions. The muon trigger shows uniform and stable performance in good agreement with the prediction of a detailed simulation. Dedicated multi-muon triggers with kinematic selections provide the backbone to beauty, quarkonia, and low-mass physics studies. The design, evolution and performance of these triggers are discussed in detail.
DOI
10.1088/1748-0221/15/09/P09015
WOS
WOS:000577273400015
Archivio
http://hdl.handle.net/11390/1196659
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85096387405
Diritti
open access
Soggetti
  • Data acquisition conc...

  • Data processing metho...

  • Online farms and onli...

  • Trigger concepts and ...

Scopus© citazioni
29
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
91
Data di acquisizione
Mar 22, 2024
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