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Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at E beam =4 TeV

Publication ,  Journal Article
Aaboud, M; Aad, G; Abbott, B; Abdinov, O; Abeloos, B; Abidi, SH; Abouzeid, OS; Abraham, NL; Abramowicz, H; Abreu, H; Abulaiti, Y; Acharya, BS ...
Published in: Journal of Instrumentation
December 4, 2018

Results of dedicated Monte Carlo simulations of beam-induced background (BIB) in the ATLAS experiment at the Large Hadron Collider (LHC) are presented and compared with data recorded in 2012. During normal physics operation this background arises mainly from scattering of the 4 TeV protons on residual gas in the beam pipe. Methods of reconstructing the BIB signals in the ATLAS detector, developed and implemented in the simulation chain based on the \textsc{Fluka} Monte Carlo simulation package, are described. The interaction rates are determined from the residual gas pressure distribution in the LHC ring in order to set an absolute scale on the predicted rates of BIB so that they can be compared quantitatively with data. Through these comparisons the origins of the BIB leading to different observables in the ATLAS detectors are analysed. The level of agreement between simulation results and BIB measurements by ATLAS in 2012 demonstrates that a good understanding of the origin of BIB has been reached.

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Published In

Journal of Instrumentation

DOI

EISSN

1748-0221

Publication Date

December 4, 2018

Volume

13

Issue

12

Related Subject Headings

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

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Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S. H., … Arnold, H. (2018). Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at E beam =4 TeV. Journal of Instrumentation, 13(12). https://doi.org/10.1088/1748-0221/13/12/P12006
Aaboud, M., G. Aad, B. Abbott, O. Abdinov, B. Abeloos, S. H. Abidi, O. S. Abouzeid, et al. “Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at E beam =4 TeV.” Journal of Instrumentation 13, no. 12 (December 4, 2018). https://doi.org/10.1088/1748-0221/13/12/P12006.
Aaboud M, Aad G, Abbott B, Abdinov O, Abeloos B, Abidi SH, et al. Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at E beam =4 TeV. Journal of Instrumentation. 2018 Dec 4;13(12).
Aaboud, M., et al. “Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at E beam =4 TeV.” Journal of Instrumentation, vol. 13, no. 12, Dec. 2018. Scopus, doi:10.1088/1748-0221/13/12/P12006.
Aaboud M, Aad G, Abbott B, Abdinov O, Abeloos B, Abidi SH, Abouzeid OS, Abraham NL, Abramowicz H, Abreu H, Abulaiti Y, Acharya BS, Adachi S, Adamczyk L, Adelman J, Adersberger M, Adiguzel A, Adye T, Affolder AA, Afik Y, Agheorghiesei C, Aguilar-Saavedra JA, Ahmadov F, Aielli G, Akatsuka S, Åkesson TPA, Akilli E, Akimov AV, Alberghi GL, Albert J, Albicocco P, Verzini MJA, Alderweireldt S, Aleksa M, Aleksandrov IN, Alexa C, Alexander G, Alexopoulos T, 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, Alstaty MI, Gonzalez BA, Piqueras DÁ, Alviggi MG, Amadio BT, Coutinho YA, Ambroz L, Amelung C, Amidei D, Santos SPAD, Amoroso S, Amrouche CS, Anastopoulos C, Ancu LS, Andari N, Andeen T, Anders CF, Anders JK, Anderson KJ, Andreazza A, Andrei V, Angelidakis S, Angelozzi I, Angerami A, Anisenkov AV, Annovi A, Antel C, Anthony MT, Antonelli M, Antrim DJA, Anulli F, Aoki M, Bella LA, Arabidze G, Arai Y, Araque JP, Ferraz VA, Pereira RA, Arce ATH, Ardell RE, Arduh FA, Arguin JF, Argyropoulos S, Armbruster AJ, Armitage LJ, Arnaez O, Arnold H. Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at E beam =4 TeV. Journal of Instrumentation. 2018 Dec 4;13(12).
Journal cover image

Published In

Journal of Instrumentation

DOI

EISSN

1748-0221

Publication Date

December 4, 2018

Volume

13

Issue

12

Related Subject Headings

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