Measurement of the Boson Production Charge Asymmetry in Events at
Journal Article
·
· Physical Review Letters
We present a measurement of the W boson production charge asymmetry in p$$\bar{p}$$→W+X→eν+X events at a center of mass energy of 1.96 TeV, using 9.7 fb-1 of integrated luminosity collected with the D0 detector at the Fermilab Tevatron Collider. The neutrino longitudinal momentum is determined by using a neutrino weighting method, and the asymmetry is measured as a function of the W boson rapidity. The measurement extends over wider electron pseudorapidity region than previous results and is the most precise to date, allowing for precise determination of proton parton distribution functions in global fits.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Organization:
- D0 Collaboration
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1331798
- Report Number(s):
- FERMILAB-PUB-13-567-E; arXiv:1312.2895; PRLTAO; 1268647
- Journal Information:
- Physical Review Letters, Vol. 112, Issue 15; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
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