Measurement of the production and lepton charge asymmetry of W bosons in Pb+Pb collisions at √sNN = 2.76 TeV with the ATLAS detector

ATLAS Collaboration

doi:10.1140/epjc/s10052-014-3231-6

Measurement of the production and lepton charge asymmetry of W bosons in Pb+Pb collisions at √sNN = 2.76 TeV with the ATLAS detector

ATLAS Collaboration

Aix Marseille Université
Homer L. Dodge Department of Physics and Astronomy
University of Oklahoma
Academia Sinica, Institute Of Physics
Laboratoire de l'Accélérateur Linéaire
Azerbaijan Academy of Sciences
University of Amsterdam
Department of Physics
Oklahoma State University
Department of Physics and Astronomy
Michigan State University
Department of Physics
University of Toronto
Raymond and Beverly Sackler School of Physics and Astronomy
Tel Aviv University
Department of Physics
Technion - Israel Institute of Technology
European Organization for Nuclear Research
Department of Physics
Stockholm University
Oskar Klein Centre
INFN Gruppo Collegato di Udine
INFN Sezione di Trieste
Abdus Salam International Centre for Theoretical Physics
King's College London
Faculty of Physics and Applied Computer Science
Agh University of Science and Technology Faculty of Computer Science
Physics Department
Brookhaven National Laboratory
Yale University
Fakultät für Physik
Universität München
Rutherford Appleton Laboratory
Institute of Physics
University of Belgrade
Lisboa
Departamento de Fisica Teorica y del Cosmos and CAFPE
University of Granada
Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics
University of Bern
Boston University
Joint Institute for Nuclear Research, Dubna
INFN Roma Tor Vergata
Dipartimento di Fisica
University of Rome “Tor Vergata”
Lund University
University of Tokyo
P.N. Lebedev Physical Institute of the Russian Academy of Sciences
INFN Sezione di Bologna
Dipartimento di Fisica e Astronomia
University of Bologna
Department of Physics and Astronomy
University of Victoria
LTHE (UMR 5564 CNRS/IRD/Université de Grenoble)
Instituto de Física La Plata
Horia Hulubei National Institute of Physics and Nuclear Engineering
Section de Physique
University of Geneva
Physics Department
National Technical University of Athens
Dipartimento di Chimica
and Physics University of Udine
Sezione INFN di Milano
University of Chicago
School of Physics and Astronomy
University of Birmingham
Lancaster University
Oliver Lodge Laboratory
University of Liverpool
School of Physics and Astronomy
University of Manchester
Universités Paris VI and VII
University of Cambridge
Université Savoie Mont Blanc

Research output: Contribution to journal › Article › peer-review

42 Citations (Scopus)

Abstract

A measurement of W boson production in lead-lead collisions at √sNN = 2.76 TeV is presented. It is based on the analysis of data collected with the ATLAS detector at the LHC in 2011 corresponding to an integrated luminosity of 0.14 nb^-1 and 0.15 nb^-1 in the muon and electron decay channels, respectively. The differential production yields and lepton charge asymmetry are each measured as a function of the average number of participating nucleons ‹N_part› and absolute pseudorapidity of the charged lepton. The results are compared to predictions based on next-to-leading-order QCD calculations. These measurements are, in principle, sensitive to possible nuclear modifications to the parton distribution functions and also provide information on scaling of W boson production in multi-nucleon systems.

Original language	English
Article number	23
Pages (from-to)	1-30
Number of pages	30
Journal	European Physical Journal C
Volume	75
Issue number	1
DOIs	https://doi.org/10.1140/epjc/s10052-014-3231-6
Publication status	Published - 1 Jan 2015
Externally published	Yes

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10.1140/epjc/s10052-014-3231-6

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@article{5195d3e2f0b14d5ba255ccf4785c2eea,

title = "Measurement of the production and lepton charge asymmetry of W bosons in Pb+Pb collisions at √sNN = 2.76 TeV with the ATLAS detector",

abstract = "A measurement of W boson production in lead-lead collisions at √sNN = 2.76 TeV is presented. It is based on the analysis of data collected with the ATLAS detector at the LHC in 2011 corresponding to an integrated luminosity of 0.14 nb-1 and 0.15 nb-1 in the muon and electron decay channels, respectively. The differential production yields and lepton charge asymmetry are each measured as a function of the average number of participating nucleons ‹Npart› and absolute pseudorapidity of the charged lepton. The results are compared to predictions based on next-to-leading-order QCD calculations. These measurements are, in principle, sensitive to possible nuclear modifications to the parton distribution functions and also provide information on scaling of W boson production in multi-nucleon systems.",

author = "\{ATLAS Collaboration\} and G. Aad and B. Abbott and J. Abdallah and \{Abdel Khalek\}, S. and O. Abdinov and R. Aben and B. Abi and M. Abolins and AbouZeid, \{O. S.\} and H. Abramowicz and H. Abreu and R. Abreu and Y. Abulaiti and Acharya, \{B. S.\} and L. Adamczyk and Adams, \{D. L.\} and J. Adelman and S. Adomeit and T. Adye and T. Agatonovic-Jovin and Aguilar-Saavedra, \{J. A.\} and M. Agustoni and Ahlen, \{S. P.\} and F. Ahmadov and G. Aielli and H. Akerstedt and {\AA}kesson, \{T. P.A.\} and G. Akimoto and Akimov, \{A. V.\} and Alberghi, \{G. L.\} and J. Albert and S. Albrand and \{Alconada Verzini\}, \{M. J.\} and M. Aleksa and Aleksandrov, \{I. N.\} and C. Alexa and G. Alexander and G. Alexandre and T. Alexopoulos and M. Alhroob and G. Alimonti and L. Alio and J. Alison and Allbrooke, \{B. M.M.\} and Allison, \{L. J.\} and Allport, \{P. P.\} and J. Almond and O. Davignon and T. Mueller and O. Simard",

note = "Publisher Copyright: {\textcopyright} 2015, CERN for the benefit of the ATLAS collaboration.",

year = "2015",

month = jan,

day = "1",

doi = "10.1140/epjc/s10052-014-3231-6",

language = "English",

volume = "75",

pages = "1--30",

journal = "European Physical Journal C",

issn = "1434-6044",

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T1 - Measurement of the production and lepton charge asymmetry of W bosons in Pb+Pb collisions at √sNN = 2.76 TeV with the ATLAS detector

AU - ATLAS Collaboration

AU - Aad, G.

AU - Abbott, B.

AU - Abdallah, J.

AU - Abdel Khalek, S.

AU - Abdinov, O.

AU - Aben, R.

AU - Abi, B.

AU - Abolins, M.

AU - AbouZeid, O. S.

AU - Abramowicz, H.

AU - Abreu, H.

AU - Abreu, R.

AU - Abulaiti, Y.

AU - Acharya, B. S.

AU - Adamczyk, L.

AU - Adams, D. L.

AU - Adelman, J.

AU - Adomeit, S.

AU - Adye, T.

AU - Agatonovic-Jovin, T.

AU - Aguilar-Saavedra, J. A.

AU - Agustoni, M.

AU - Ahlen, S. P.

AU - Ahmadov, F.

AU - Aielli, G.

AU - Akerstedt, H.

AU - Åkesson, T. P.A.

AU - Akimoto, G.

AU - Akimov, A. V.

AU - Alberghi, G. L.

AU - Albert, J.

AU - Albrand, S.

AU - Alconada Verzini, M. J.

AU - Aleksa, M.

AU - Aleksandrov, I. N.

AU - Alexa, C.

AU - Alexander, G.

AU - Alexandre, G.

AU - Alexopoulos, T.

AU - Alhroob, M.

AU - Alimonti, G.

AU - Alio, L.

AU - Alison, J.

AU - Allbrooke, B. M.M.

AU - Allison, L. J.

AU - Allport, P. P.

AU - Almond, J.

AU - Davignon, O.

AU - Mueller, T.

AU - Simard, O.

PY - 2015/1/1

Y1 - 2015/1/1

N2 - A measurement of W boson production in lead-lead collisions at √sNN = 2.76 TeV is presented. It is based on the analysis of data collected with the ATLAS detector at the LHC in 2011 corresponding to an integrated luminosity of 0.14 nb-1 and 0.15 nb-1 in the muon and electron decay channels, respectively. The differential production yields and lepton charge asymmetry are each measured as a function of the average number of participating nucleons ‹Npart› and absolute pseudorapidity of the charged lepton. The results are compared to predictions based on next-to-leading-order QCD calculations. These measurements are, in principle, sensitive to possible nuclear modifications to the parton distribution functions and also provide information on scaling of W boson production in multi-nucleon systems.

AB - A measurement of W boson production in lead-lead collisions at √sNN = 2.76 TeV is presented. It is based on the analysis of data collected with the ATLAS detector at the LHC in 2011 corresponding to an integrated luminosity of 0.14 nb-1 and 0.15 nb-1 in the muon and electron decay channels, respectively. The differential production yields and lepton charge asymmetry are each measured as a function of the average number of participating nucleons ‹Npart› and absolute pseudorapidity of the charged lepton. The results are compared to predictions based on next-to-leading-order QCD calculations. These measurements are, in principle, sensitive to possible nuclear modifications to the parton distribution functions and also provide information on scaling of W boson production in multi-nucleon systems.

U2 - 10.1140/epjc/s10052-014-3231-6

DO - 10.1140/epjc/s10052-014-3231-6

M3 - Article

AN - SCOPUS:84921923478

SN - 1434-6044

VL - 75

SP - 1

EP - 30

JO - European Physical Journal C

JF - European Physical Journal C

IS - 1

M1 - 23

ER -

Measurement of the production and lepton charge asymmetry of W bosons in Pb+Pb collisions at √sNN = 2.76 TeV with the ATLAS detector

Abstract

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