期刊
EUROPEAN PHYSICAL JOURNAL C
卷 45, 期 3, 页码 569-587出版社
SPRINGER
DOI: 10.1140/epjc/s2005-02459-6
关键词
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The mass and the total decay width of the W boson are measured with the L3 detector at the LEP e(+)e(-) collider using W-boson pairs produced in 0.7 fb(-1) of data collected at centre-of-mass energies between 161 and 209 GeV. Combining semi-leptonic and fully-hadronic final states, the mass and the width of the W boson are determined to be m(W) = 80.270 +/- 0.046 +/- 0.031 GeV and Gamma(W) = 2.18 +/- 0.11 +/- 0.09 GeV , where the first uncertainty is statistical and the second systematic.
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