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

M. Aaboud; G. Aad; B. Abbott; O. Abdinov; B Abeloos; S.H. Abidi; Ossama Sherif Alexander Abouzeid; NL Abraham; H. Abramowicz; H. Abreu; Y. Abulaiti; B.S. Acharya; Sosuke Adachi; L. Adamczyk; J. Adelman; M. Adersberger; A. Adiguzel; T. Adye; A. A. Affolder; Y.  Afik; C. Agheorghiesei; J. A. Aguilar-Saavedra; F. Ahmadov; G. Aielli; Alejandro Alonso Diaz; Milena Bajic; Geert-Jan Besjes; Mogens Dam; Flavia de Almeida Dias; Gorm Aske Gram Krohn Galster; Jørgen Beck Hansen; Jørn Dines Hansen; Peter Henrik Hansen; James William Monk; Graig Wiglesworth; Troels Christian Petersen; Simon Holm Stark; Fabian Alexander Jürgen Thiele; Stefania Xella

doi:10.1088/1748-0221/13/12/P12006

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

M. Aaboud, G. Aad, B. Abbott, O. Abdinov, B Abeloos, S.H. Abidi, Ossama Sherif Alexander Abouzeid, NL Abraham, H. Abramowicz, H. Abreu, Y. Abulaiti, B.S. Acharya, Sosuke Adachi, L. Adamczyk, J. Adelman, M. Adersberger, A. Adiguzel, T. Adye, A. A. Affolder, Y. AfikC. Agheorghiesei, J. A. Aguilar-Saavedra, F. Ahmadov, G. Aielli, Alejandro Alonso Diaz, Milena Bajic, Geert-Jan Besjes, Mogens Dam, Flavia de Almeida Dias, Gorm Aske Gram Krohn Galster, Jørgen Beck Hansen, Jørn Dines Hansen, Peter Henrik Hansen, James William Monk, Graig Wiglesworth, Troels Christian Petersen, Simon Holm Stark, Fabian Alexander Jürgen Thiele, Stefania Xella

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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.

Originalsprog	Engelsk
Artikelnummer	P12006
Tidsskrift	Journal of Instrumentation
Vol/bind	13
Antal sider	42
ISSN	1748-0221
DOI	https://doi.org/10.1088/1748-0221/13/12/P12006
Status	Udgivet - 4 dec. 2018

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10.1088/1748-0221/13/12/P12006Licens: CC BY

Aaboud_2018_J._Inst._13_P12006Forlagets udgivne version, 1,03 MBLicens: CC BY

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Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S. H., Abouzeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Adiguzel, A., Adye, T., Affolder, A. A., ... Xella, S. (2018). Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at E-beam=4 TeV. Journal of Instrumentation, 13, [P12006]. https://doi.org/10.1088/1748-0221/13/12/P12006

Aaboud, M, Aad, G, Abbott, B, Abdinov, O, Abeloos, B, Abidi, SH, Abouzeid, OSA, 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, Alonso Diaz, A, Bajic, M, Besjes, G-J, Dam, M, de Almeida Dias, F, Galster, GAGK, Hansen, JB , Hansen, JD , Hansen, PH, Monk, JW, Wiglesworth, G , Petersen, TC, Stark, SH, Thiele, FAJ & Xella, S 2018, 'Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at E-beam=4 TeV', Journal of Instrumentation, bind 13, P12006. https://doi.org/10.1088/1748-0221/13/12/P12006

@article{dcbacb26b5df4cf98d1399a2abe5699f,

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

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.",

author = "M. Aaboud and G. Aad and B. Abbott and O. Abdinov and B Abeloos and S.H. Abidi and Abouzeid, {Ossama Sherif Alexander} and NL Abraham and H. Abramowicz and H. Abreu and Y. Abulaiti and B.S. Acharya and Sosuke Adachi and L. Adamczyk and J. Adelman and M. Adersberger and A. Adiguzel and T. Adye and Affolder, {A. A.} and Y. Afik and C. Agheorghiesei and Aguilar-Saavedra, {J. A.} and F. Ahmadov and G. Aielli and {Alonso Diaz}, Alejandro and Milena Bajic and Geert-Jan Besjes and Mogens Dam and {de Almeida Dias}, Flavia and Galster, {Gorm Aske Gram Krohn} and Hansen, {J{\o}rgen Beck} and Hansen, {J{\o}rn Dines} and Hansen, {Peter Henrik} and Monk, {James William} and Graig Wiglesworth and Petersen, {Troels Christian} and Stark, {Simon Holm} and Thiele, {Fabian Alexander J{\"u}rgen} and Stefania Xella",

year = "2018",

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journal = "Journal of Instrumentation",

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TY - JOUR

T1 - Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at E-beam=4 TeV

AU - Aaboud, M.

AU - Aad, G.

AU - Abbott, B.

AU - Abdinov, O.

AU - Abeloos, B

AU - Abidi, S.H.

AU - Abouzeid, Ossama Sherif Alexander

AU - Abraham, NL

AU - Abramowicz, H.

AU - Abreu, H.

AU - Abulaiti, Y.

AU - Acharya, B.S.

AU - Adachi, Sosuke

AU - Adamczyk, L.

AU - Adelman, J.

AU - Adersberger, M.

AU - Adiguzel, A.

AU - Adye, T.

AU - Affolder, A. A.

AU - Afik, Y.

AU - Agheorghiesei, C.

AU - Aguilar-Saavedra, J. A.

AU - Ahmadov, F.

AU - Aielli, G.

AU - Alonso Diaz, Alejandro

AU - Bajic, Milena

AU - Besjes, Geert-Jan

AU - Dam, Mogens

AU - de Almeida Dias, Flavia

AU - Galster, Gorm Aske Gram Krohn

AU - Hansen, Jørgen Beck

AU - Hansen, Jørn Dines

AU - Hansen, Peter Henrik

AU - Monk, James William

AU - Wiglesworth, Graig

AU - Petersen, Troels Christian

AU - Stark, Simon Holm

AU - Thiele, Fabian Alexander Jürgen

AU - Xella, Stefania

PY - 2018/12/4

Y1 - 2018/12/4

N2 - 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.

AB - 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.

U2 - 10.1088/1748-0221/13/12/P12006

DO - 10.1088/1748-0221/13/12/P12006

M3 - Journal article

SN - 1748-0221

VL - 13

JO - Journal of Instrumentation

JF - Journal of Instrumentation

M1 - P12006

ER -

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

Abstract

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