Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/124343
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Type: Journal article
Title: Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at Ebeam=4 TeV
Other Titles: Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at E(beam)=4 TeV
Author: Aaboud, M.
Aad, G.
Abbott, B.
Abdinov, O.
Abeloos, B.
Abidi, S.
AbouZeid, O.
Abraham, N.
Abramowicz, H.
Abreu, H.
Abulaiti, Y.
Acharya, B.
Adachi, S.
Adamczyk, L.
Adelman, J.
Adersberger, M.
Adiguzel, A.
Adye, T.
Affolder, A.
Afik, Y.
et al.
Citation: Journal of Instrumentation, 2018; 13(12):P12006-1-P12006-41
Publisher: IOP Publishing
Issue Date: 2018
ISSN: 1748-0221
1748-0221
Statement of
Responsibility: 
M. Aaboud ... Paul Jackson … Abhishek Sharma … Martin White … Andreas Petridis … Damir Duvnjak … Jason Oliver … et al.
Abstract: 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.
Keywords: Accelerator modelling and simulations (multi-particle dynamics; single-particle dynamics); radiation calculations; simulation methods and programs
Rights: © 2018 CERN for the benefit of the ATLAS collaboration. Published by IOP Publishing Ltd on behalf of Sissa Medialab. Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
RMID: 0030105558
DOI: 10.1088/1748-0221/13/12/P12006
Appears in Collections:Physics publications

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