期刊
PHYSICAL REVIEW LETTERS
卷 108, 期 15, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.151803
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资金
- U.S. Department of Energy
- National Science Foundation
- Italian Istituto Nazionale di Fisica Nucleare
- Ministry of Education, Culture, Sports, Science and Technology of Japan
- Natural Sciences and Engineering Research Council of Canada
- National Science Council of the Republic of China
- Swiss National Science Foundation
- A.P. Sloan Foundation
- Bundesministerium fur Bildung und Forschung, Germany
- Korean World Class University Program
- National Research Foundation of Korea
- Science and Technology Facilities Council
- Royal Society, UK
- Russian Foundation for Basic Research
- Ministerio de Ciencia e Innovacion
- Programa Consolider-Ingenio, Spain
- Slovak RD Agency
- Academy of Finland
- Australian Research Council (ARC)
- ICREA Funding Source: Custom
- STFC [ST/H001026/1, PP/E003699/2, ST/H001069/2, PP/E003699/1, ST/H001026/2] Funding Source: UKRI
- Science and Technology Facilities Council [ST/M001474/1, ST/H001026/2, ST/H001069/2, ST/H001026/1, PP/E003699/1, ST/K001418/1, PP/E003699/2] Funding Source: researchfish
We have measured the W-boson mass MW using data corresponding to 2.2 fb(-1) of integrated luminosity collected in p (p) over bar collisions at root s = 1.96 TeV with the CDF II detector at the Fermilab Tevatron collider. Samples consisting of 470 126 W -> e nu candidates and 624 708 W -> mu nu candidates yield the measurement M-W = 80 387 +/- 12(stat.) +/- 15(syst.) = 80 387 +/- 19 MeV/c(2). This is the most precise measurement of the W-boson mass to date and significantly exceeds the precision of all previous measurements combined.
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