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Resolution of the ATLAS muon spectrometer monitored drift tubes in LHC Run 2

Publication ,  Journal Article
Aad, G; Abbott, B; Abbott, DC; Abdinov, O; Abud, AA; Abeling, K; Abhayasinghe, DK; Abidi, SH; Abouzeid, OS; Abraham, NL; Abramowicz, H; Ai, X ...
Published in: Journal of Instrumentation
September 16, 2019

The momentum measurement capability of the ATLAS muon spectrometer relies fundamentally on the intrinsic single-hit spatial resolution of the monitored drift tube precision tracking chambers. Optimal resolution is achieved with a dedicated calibration program that addresses the specific operating conditions of the 354 000 high-pressure drift tubes in the spectrometer. The calibrations consist of a set of timing offsets and drift time to drift distance transfer relations, and result in chamber resolution functions. This paper describes novel algorithms to obtain precision calibrations from data collected by ATLAS in LHC Run 2 and from a gas monitoring chamber, deployed in a dedicated gas facility. The algorithm output consists of a pair of correction constants per chamber which are applied to baseline calibrations, and determined to be valid for the entire ATLAS Run 2. The final single-hit spatial resolution, averaged over 1172 monitored drift tube chambers, is 81.7 ± 2.2 μm.

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Published In

Journal of Instrumentation

DOI

EISSN

1748-0221

Publication Date

September 16, 2019

Volume

14

Issue

9

Related Subject Headings

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

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Aad, G., Abbott, B., Abbott, D. C., Abdinov, O., Abud, A. A., Abeling, K., … Ferraz, V. A. (2019). Resolution of the ATLAS muon spectrometer monitored drift tubes in LHC Run 2. Journal of Instrumentation, 14(9). https://doi.org/10.1088/1748-0221/14/09/P09011
Aad, G., B. Abbott, D. C. Abbott, O. Abdinov, A. A. Abud, K. Abeling, D. K. Abhayasinghe, et al. “Resolution of the ATLAS muon spectrometer monitored drift tubes in LHC Run 2.” Journal of Instrumentation 14, no. 9 (September 16, 2019). https://doi.org/10.1088/1748-0221/14/09/P09011.
Aad G, Abbott B, Abbott DC, Abdinov O, Abud AA, Abeling K, et al. Resolution of the ATLAS muon spectrometer monitored drift tubes in LHC Run 2. Journal of Instrumentation. 2019 Sep 16;14(9).
Aad, G., et al. “Resolution of the ATLAS muon spectrometer monitored drift tubes in LHC Run 2.” Journal of Instrumentation, vol. 14, no. 9, Sept. 2019. Scopus, doi:10.1088/1748-0221/14/09/P09011.
Aad G, Abbott B, Abbott DC, Abdinov O, Abud AA, Abeling K, Abhayasinghe DK, Abidi SH, Abouzeid OS, Abraham NL, Abramowicz H, Abreu H, Abulaiti Y, Acharya BS, Achkar B, Adachi S, 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, Ahmadov F, Ahmed WS, Ai X, Aielli G, Akatsuka S, Åkesson TPA, Akilli E, Akimov AV, Al Khoury K, Alberghi GL, Albert J, Verzini MJA, Alderweireldt S, Aleksa M, Aleksandrov IN, Alexa C, Alexandre D, Alexopoulos T, Alfonsi A, Alhroob M, Ali B, Alimonti G, Alison J, Alkire SP, Allaire C, Allbrooke BMM, Allen BW, Allport PP, Aloisio A, Alonso A, Alonso F, Alpigiani C, Alshehri AA, Estevez MA, Piqueras DÁ, 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, Andreazza A, Andrei V, Anelli CR, Angelidakis S, Angerami A, Anisenkov AV, Annovi A, Antel C, Anthony MT, Antonelli M, Antrim DJA, Anulli F, Aoki M, Pozo JAA, Bella LA, Arabidze G, Araque JP, Ferraz VA. Resolution of the ATLAS muon spectrometer monitored drift tubes in LHC Run 2. Journal of Instrumentation. 2019 Sep 16;14(9).
Journal cover image

Published In

Journal of Instrumentation

DOI

EISSN

1748-0221

Publication Date

September 16, 2019

Volume

14

Issue

9

Related Subject Headings

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