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Performance of the ATLAS muon triggers in Run 2

Publication ,  Journal Article
Aad, G; Abbott, B; Abbott, DC; Abud, AA; Abeling, K; Abhayasinghe, DK; Abidi, SH; Abouzeid, OS; Abraham, NL; Abramowicz, H; Abreu, H; Adam, L ...
Published in: Journal of Instrumentation
September 1, 2020
Published version (DOI)

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.

Duke Scholars

Ashutosh V. Kotwal
Author Ashutosh V. Kotwal Physics
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Published In

Journal of Instrumentation

DOI

10.1088/1748-0221/15/09/P09015

EISSN

1748-0221

Publication Date

September 1, 2020

Volume

15

Issue

9

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
 

Citation

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Aad, G., Abbott, B., Abbott, D. C., Abud, A. A., Abeling, K., Abhayasinghe, D. K., … Pereira, R. A. (2020). Performance of the ATLAS muon triggers in Run 2. Journal of Instrumentation, 15(9). https://doi.org/10.1088/1748-0221/15/09/P09015
Aad, G., B. Abbott, D. C. Abbott, A. A. Abud, K. Abeling, D. K. Abhayasinghe, S. H. Abidi, et al. “Performance of the ATLAS muon triggers in Run 2.” Journal of Instrumentation 15, no. 9 (September 1, 2020). https://doi.org/10.1088/1748-0221/15/09/P09015.
Aad G, Abbott B, Abbott DC, Abud AA, Abeling K, Abhayasinghe DK, et al. Performance of the ATLAS muon triggers in Run 2. Journal of Instrumentation. 2020 Sep 1;15(9).
Aad, G., et al. “Performance of the ATLAS muon triggers in Run 2.” Journal of Instrumentation, vol. 15, no. 9, Sept. 2020. Scopus, doi:10.1088/1748-0221/15/09/P09015.
Aad G, Abbott B, Abbott DC, Abud AA, Abeling K, Abhayasinghe DK, Abidi SH, Abouzeid OS, Abraham NL, Abramowicz H, Abreu H, Abulaiti Y, Acharya BS, Achkar B, Adam L, Bourdarios CA, Adamczyk L, Adamek L, Adelman J, Adersberger M, Adiguzel A, Adorni S, Adye T, Affolder AA, Afik Y, Agapopoulou C, Agaras MN, Aggarwal A, Agheorghiesei C, Aguilar-Saavedra JA, Ahmad A, Ahmadov F, Ahmed WS, Ai X, Aielli G, Akatsuka S, Åkesson TPA, Akilli E, Akimov AV, Khoury KA, Alberghi GL, Albert J, Verzini MJA, Alderweireldt S, Aleksa M, Aleksandrov IN, Alexa C, Alexopoulos T, Alfonsi A, Alfonsi F, Alhroob M, Ali B, Ali S, Aliev M, Alimonti G, Allaire C, Allbrooke BMM, Allen BW, Allport PP, Aloisio A, Alonso F, Alpigiani C, Alshehri AA, Camelia EA, Estevez MA, Alviggi MG, Coutinho YA, Ambler A, Ambroz L, Amelung C, Amidei D, Dos Santos SPA, Amoroso S, Amrouche CS, An F, Anastopoulos C, Andari N, Andeen T, Anders CF, Anders JK, Andrean SY, Andreazza A, Andrei V, Anelli CR, Angelidakis S, Angerami A, Anisenkov AV, Annovi A, Antel C, Anthony MT, Antipov E, Antonelli M, Antrim DJA, Anulli F, Aoki M, Pozo JAA, Aparo MA, Bella LA, Ferraz VA, Pereira RA. Performance of the ATLAS muon triggers in Run 2. Journal of Instrumentation. 2020 Sep 1;15(9).
Journal cover image

Published In

Journal of Instrumentation

DOI

10.1088/1748-0221/15/09/P09015

EISSN

1748-0221

Publication Date

September 1, 2020

Volume

15

Issue

9

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences