Measurement of the W charge asymmetry in the W →µν decay mode in pp collisions at √s = 7 TeV with the ATLAS detector

G. Aad; B. Abbott; J. Abdallah; A. A. Abdelalim; A. Abdesselam; O. Abdinov; B. Abi; M. Abolins; H. Abramowicz; H. Abreu; E. Acerbi; B. S. Acharya; D. L. Adams; T. N. Addy; J. Adelman; M. Aderholz; S. Adomeit; P. Adragna; T. Adye; S. Aefsky; J. A. Aguilar-Saavedra; M. Aharrouche; S. P. Ahlen; F. Ahles; A. Ahmad; M. Ahsan; G. Aielli; T. Akdogan; T. P.A. Åkesson; G. Akimoto; A. V. Akimov; A. Akiyama; M. S. Alam; M. A. Alam; S. Albrand; M. Aleksa; I. N. Aleksandrov; F. Alessandria; C. Alexa; G. Alexander; G. Alexandre; T. Alexopoulos; M. Alhroob; M. Aliev; G. Alimonti; J. Alison; M. Aliyev; K. Kawagoe; S. Oda; J. Tojo; ATLAS Collaboration

doi:10.1016/j.physletb.2011.05.024

Measurement of the W charge asymmetry in the W →µν decay mode in pp collisions at √s = 7 TeV with the ATLAS detector

G. Aad, B. Abbott, J. Abdallah, A. A. Abdelalim, A. Abdesselam, O. Abdinov, B. Abi, M. Abolins, H. Abramowicz, H. Abreu, E. Acerbi, B. S. Acharya, D. L. Adams, T. N. Addy, J. Adelman, M. Aderholz, S. Adomeit, P. Adragna, T. Adye, S. AefskyJ. A. Aguilar-Saavedra, M. Aharrouche, S. P. Ahlen, F. Ahles, A. Ahmad, M. Ahsan, G. Aielli, T. Akdogan, T. P.A. Åkesson, G. Akimoto, A. V. Akimov, A. Akiyama, M. S. Alam, M. A. Alam, S. Albrand, M. Aleksa, I. N. Aleksandrov, F. Alessandria, C. Alexa, G. Alexander, G. Alexandre, T. Alexopoulos, M. Alhroob, M. Aliev, G. Alimonti, J. Alison, M. Aliyev, K. Kawagoe, S. Oda, J. Tojo, ATLAS Collaboration

Research output: Contribution to journal › Article

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Abstract

This Letter reports a measurement of the muon charge asymmetry from W bosons produced in proton- proton collisions at a centre-of-mass energy of 7 TeV with the ATLAS experiment at the LHC. The asymmetry is measured in the W →µν decay mode as a function of the muon pseudorapidity using a data sample corresponding to a total integrated luminosity of 31 pb^-1. The results are compared to predictions based on next-to-leading order calculations with various parton distribution functions. This measurement provides information on the u and d quark momentum fractions in the proton.

Original language	English
Pages (from-to)	31-49
Number of pages	19
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	701
Issue number	1
DOIs	https://doi.org/10.1016/j.physletb.2011.05.024
Publication status	Published - Jan 1 2011
Externally published	Yes

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All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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Aad, G., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., Abdinov, O., ... ATLAS Collaboration (2011). Measurement of the W charge asymmetry in the W →µν decay mode in pp collisions at √s = 7 TeV with the ATLAS detector. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 701(1), 31-49. https://doi.org/10.1016/j.physletb.2011.05.024

Measurement of the W charge asymmetry in the W →µν decay mode in pp collisions at √s = 7 TeV with the ATLAS detector. / Aad, G.; Abbott, B.; Abdallah, J.; Abdelalim, A. A.; Abdesselam, A.; Abdinov, O.; Abi, B.; Abolins, M.; Abramowicz, H.; Abreu, H.; Acerbi, E.; Acharya, B. S.; Adams, D. L.; Addy, T. N.; Adelman, J.; Aderholz, M.; Adomeit, S.; Adragna, P.; Adye, T.; Aefsky, S.; Aguilar-Saavedra, J. A.; Aharrouche, M.; Ahlen, S. P.; Ahles, F.; Ahmad, A.; Ahsan, M.; Aielli, G.; Akdogan, T.; Åkesson, T. P.A.; Akimoto, G.; Akimov, A. V.; Akiyama, A.; Alam, M. S.; Alam, M. A.; Albrand, S.; Aleksa, M.; Aleksandrov, I. N.; Alessandria, F.; Alexa, C.; Alexander, G.; Alexandre, G.; Alexopoulos, T.; Alhroob, M.; Aliev, M.; Alimonti, G.; Alison, J.; Aliyev, M.; Kawagoe, K.; Oda, S.; Tojo, J.; ATLAS Collaboration.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 701, No. 1, 01.01.2011, p. 31-49.

Research output: Contribution to journal › Article

Aad, G, Abbott, B, Abdallah, J, Abdelalim, AA, Abdesselam, A, Abdinov, O, Abi, B, Abolins, M, Abramowicz, H, Abreu, H, Acerbi, E, Acharya, BS, Adams, DL, Addy, TN, Adelman, J, Aderholz, M, Adomeit, S, Adragna, P, Adye, T, Aefsky, S, Aguilar-Saavedra, JA, Aharrouche, M, Ahlen, SP, Ahles, F, Ahmad, A, Ahsan, M, Aielli, G, Akdogan, T, Åkesson, TPA, Akimoto, G, Akimov, AV, Akiyama, A, Alam, MS, Alam, MA, Albrand, S, Aleksa, M, Aleksandrov, IN, Alessandria, F, Alexa, C, Alexander, G, Alexandre, G, Alexopoulos, T, Alhroob, M, Aliev, M, Alimonti, G, Alison, J, Aliyev, M, Kawagoe, K , Oda, S , Tojo, J & ATLAS Collaboration 2011, 'Measurement of the W charge asymmetry in the W →µν decay mode in pp collisions at √s = 7 TeV with the ATLAS detector', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 701, no. 1, pp. 31-49. https://doi.org/10.1016/j.physletb.2011.05.024

Aad, G. ; Abbott, B. ; Abdallah, J. ; Abdelalim, A. A. ; Abdesselam, A. ; Abdinov, O. ; Abi, B. ; Abolins, M. ; Abramowicz, H. ; Abreu, H. ; Acerbi, E. ; Acharya, B. S. ; Adams, D. L. ; Addy, T. N. ; Adelman, J. ; Aderholz, M. ; Adomeit, S. ; Adragna, P. ; Adye, T. ; Aefsky, S. ; Aguilar-Saavedra, J. A. ; Aharrouche, M. ; Ahlen, S. P. ; Ahles, F. ; Ahmad, A. ; Ahsan, M. ; Aielli, G. ; Akdogan, T. ; Åkesson, T. P.A. ; Akimoto, G. ; Akimov, A. V. ; Akiyama, A. ; Alam, M. S. ; Alam, M. A. ; Albrand, S. ; Aleksa, M. ; Aleksandrov, I. N. ; Alessandria, F. ; Alexa, C. ; Alexander, G. ; Alexandre, G. ; Alexopoulos, T. ; Alhroob, M. ; Aliev, M. ; Alimonti, G. ; Alison, J. ; Aliyev, M. ; Kawagoe, K. ; Oda, S. ; Tojo, J. ; ATLAS Collaboration. / Measurement of the W charge asymmetry in the W →µν decay mode in pp collisions at √s = 7 TeV with the ATLAS detector. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2011 ; Vol. 701, No. 1. pp. 31-49.

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AU - Abdallah, J.

AU - Abdelalim, A. A.

AU - Abdesselam, A.

AU - Abdinov, O.

AU - Abi, B.

AU - Abolins, M.

AU - Abramowicz, H.

AU - Abreu, H.

AU - Acerbi, E.

AU - Acharya, B. S.

AU - Adams, D. L.

AU - Addy, T. N.

AU - Adelman, J.

AU - Aderholz, M.

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AU - Adye, T.

AU - Aefsky, S.

AU - Aguilar-Saavedra, J. A.

AU - Aharrouche, M.

AU - Ahlen, S. P.

AU - Ahles, F.

AU - Ahmad, A.

AU - Ahsan, M.

AU - Aielli, G.

AU - Akdogan, T.

AU - Åkesson, T. P.A.

AU - Akimoto, G.

AU - Akimov, A. V.

AU - Akiyama, A.

AU - Alam, M. S.

AU - Alam, M. A.

AU - Albrand, S.

AU - Aleksa, M.

AU - Aleksandrov, I. N.

AU - Alessandria, F.

AU - Alexa, C.

AU - Alexander, G.

AU - Alexandre, G.

AU - Alexopoulos, T.

AU - Alhroob, M.

AU - Aliev, M.

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10.1016/j.physletb.2011.05.024