期刊
PHYSICAL REVIEW LETTERS
卷 109, 期 11, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.109.111806
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- FMSR (Austria)
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- STFC [ST/J004820/1, ST/I000410/1, ST/I005912/1, ST/I505580/1, ST/J005665/1, ST/I002839/1, ST/F007094/1, ST/G502412/1, ST/J004901/1, PP/E002722/1, ST/I002200/1, ST/I505572/1, ST/F007434/1, ST/J005614/1, ST/K001604/1, ST/H00081X/2, ST/G502347/1, ST/K000616/1, ST/H000925/1, ST/F006748/1, ST/L001225/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/K001604/1 LHCb, ST/L001225/1, ST/I000410/1, ST/I505572/1, ST/J004901/1, ST/K000616/1, ST/I002839/1, ST/K001604/1 T2K, ST/K001604/1, ST/F007094/1, ST/I003622/1 GRIDPP, ST/G502412/1, ST/I005912/1, GRIDPP, ST/H000925/1, ST/K001604/1 MICE/UKNF, ST/J005614/1, ST/K001604/1 GRIDPP, ST/K001604/1 LHCb Upgrades, ST/K001604/1 DMUK, ST/F007434/1, ST/G502347/1, CMS, ST/F006748/1, PP/D004284/1, ST/I002200/1, ST/J004820/1, ST/I505580/1, ST/I005912/1 GRIDPP, ST/J005665/1, ST/K001604/1 CMS Upgrade, ST/K001256/1, PP/E002722/1, ST/K001604/1 SuperNEMO] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Physics [1211067] Funding Source: National Science Foundation
A measurement of the electron charge asymmetry in inclusive pp -> W + X -> ev + X production at root s = 7 TeV is presented based on data recorded by the CMS detector at the LHC and corresponding to an integrated luminosity of 840 pb(-1). The electron charge asymmetry reflects the unequal production of W+ and W- bosons in pp collisions. The electron charge asymmetry is measured in bins of the absolute value of electron pseudorapidity in the range of vertical bar eta vertical bar < 2.4. The asymmetry rises from about 0.1 to 0.2 as a function of the pseudorapidity and is measured with a relative precision better than 7%. This measurement provides new stringent constraints for parton distribution functions.
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