Measurement of the W charge asymmetry in the W → μ ν decay mode in pp collisions at s = 7 TeV with the ATLAS detector
Journal Article
·
· Physics Letters B
This letter reports a measurement of the muon charge asymmetry from W Boson 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. The measurement provides information on the u and d quark momentum fractions in the proton.
- Research Organization:
- SLAC National Accelerator Lab. (SLAC), Menlo Park, CA (United States); Univ. of Pennsylvania, Philadelphia, PA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Organization:
- ATLAS Collaboration
- Grant/Contract Number:
- AC02-76SF00515; FG02-95ER40893
- OSTI ID:
- 1213823
- Alternate ID(s):
- OSTI ID: 1196002; OSTI ID: 1502991
- Report Number(s):
- SLAC-PUB-17066; S0370269311005302; PII: S0370269311005302
- Journal Information:
- Physics Letters B, Vol. 701, Issue 1; ISSN 0370-2693
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- Netherlands
- Language:
- English
Cited by: 37 works
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