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

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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

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/j.physletb.2011.05.024

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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., ... 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

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

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

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.",

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

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T1 - Measurement of the W charge asymmetry in the W →µν decay mode in pp collisions at √s = 7 TeV with the ATLAS detector

AU - Aad, G.

AU - Abbott, B.

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.

AU - Adomeit, S.

AU - Adragna, P.

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.

AU - Alimonti, G.

AU - Alison, J.

AU - Aliyev, M.

AU - Kawagoe, K.

AU - Oda, S.

AU - Tojo, J.

AU - ATLAS Collaboration

PY - 2011/1/1

Y1 - 2011/1/1

N2 - 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.

AB - 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.

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U2 - 10.1016/j.physletb.2011.05.024

DO - 10.1016/j.physletb.2011.05.024

M3 - Article

VL - 701

SP - 31

EP - 49

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

SN - 0370-2693

IS - 1

ER -

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

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