Published January 22, 2015 | Version v1
Journal article Metadata-only

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

Creators

  • 1. CPPM, Aix-Marseille Université and CNRS/IN2P3, Marseille (France)
  • 2. Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, OK (United States)
  • 3. Institute of Physics, Academia Sinica, Taipei, Taiwan (China)
  • 4. LAL, Université Paris-Sud and CNRS/IN2P3, Orsay (France)

Description

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 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

Availability note (English)

Available from http://dx.doi.org/10.1140/epjc/s10052-014-3231-6; Available from http://repo.scoap3.org/record/8879

Additional details

Identifiers

URL
https://repo.scoap3.org/record/8879;
DOI
10.1140/epjc/s10052-014-3231-6;
arXiv
arXiv:1408.4674;

Publishing Information

Journal Title
European Physical Journal. C
Journal Volume
75
Journal Issue
1
Journal Page Range
[vp.]
ISSN
1434-6044

INIS

Country of Publication
Germany
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
47021193
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S43: PARTICLE ACCELERATORS;
Descriptors DEI
ASYMMETRY; ATLAS DETECTOR; ATOM-ATOM COLLISIONS; CERN LHC; DATA ANALYSIS; DISTRIBUTION FUNCTIONS; ELECTRONS; LEAD; MUONS; NUCLEONS; PARTICLE RAPIDITY; QUANTUM CHROMODYNAMICS; TEV RANGE; W MINUS BOSONS; W PLUS BOSONS
Descriptors DEC
ACCELERATORS; ATOM COLLISIONS; BARYONS; BOSONS; COLLISIONS; CYCLIC ACCELERATORS; DATA PROCESSING; ELEMENTARY PARTICLES; ELEMENTS; ENERGY RANGE; FERMIONS; FIELD THEORIES; FUNCTIONS; HADRONS; INTERMEDIATE BOSONS; INTERMEDIATE VECTOR BOSONS; LEPTONS; MEASURING INSTRUMENTS; METALS; PARTICLE PROPERTIES; PROCESSING; QUANTUM FIELD THEORY; RADIATION DETECTORS; STORAGE RINGS; SYNCHROTRONS

Optional Information

Copyright
Copyright (c) 2015, CERN for the benefit of the ATLAS collaboration
Notes
PUBLISHER-ID: s10052-014-3231-6; ARXIV: 1408.4674; OAI: oai:repo.scoap3.org:8879
Collaborations
ATLAS Collaboration
Funding organization
SCOAP3, CERN, Geneva (Switzerland)