First run II measurement of the W boson mass at the Fermilab Tevatron

被引：52
|
作者：
Aaltonen, T. [1 ]
Abulencia, A.
Adelman, J.
Akimoto, T.
Albrow, M. G.
Gonzalez, B. Alvarez
Amerio, S.
Amidei, D.
Anastassov, A.
Annovi, A.
Antos, J.
Apollinari, G.
Apresyan, A.
Arisawa, T.
Artikov, A.
Ashmanskas, W.
Attal, A.
Aurisano, A.
Azfar, F.
Azzi-Bacchetta, P.
Azzurri, P.
Bacchetta, N.
Badgett, W.
Barbaro-Galtieri, A.
Barnes, V. E.
Barnett, B. A.
Baroiant, S.
Bartsch, V.
Bauer, G.
Beauchemin, P. -H.
Bedeschi, F.
Bednar, P.
Behari, S.
Bellettini, G.
Bellinger, J.
Belloni, A.
Benjamin, D.
Beretvas, A.
Beringer, J.
Berry, T.
Bhatti, A.
Binkley, M.
Bisello, D.
Bizjak, I.
Blair, R. E.
Blocker, C.
Blumenfeld, B.
Bocci, A.
Bodek, A.
Boisvert, V.
机构：
[1] Okayama Univ, Okayama 7008530, Japan
来源：
PHYSICAL REVIEW D | 2008年 / 77卷 / 11期
基金：
英国科学技术设施理事会;
关键词：
D O I：
10.1103/PhysRevD.77.112001
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We describe a measurement of the W boson mass m(W) using 200 pb(-1) of root s=1.96 TeV p (p) over bar collision data taken with the CDF II detector. With a sample of 63 964 W -> e nu candidates and 51 128 W -> mu nu candidates, we measure m(W) = [80.413 +/- 0.034(stat) +/- 0.034(sys) = 80.413 +/- 0.048] GeV/c(2). This is the single most precise m(W) measurement to date. When combined with other measured electroweak parameters, this result further constrains the properties of new unobserved particles coupling to W and Z bosons.
引用
收藏
页数：48
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