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Measurement of the W Boson Mass

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Amer Physical Soc

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We present a measurement of the W boson mass in W -> e nu decays using 1 fb(-1) of data collected with the D0 detector during Run II of the Fermilab Tevatron collider. With a sample of 499830 W -> e nu candidate events, we measure M(W)=80.401 +/- 0.043 GeV. This is the most precise measurement from a single experiment.

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English

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Physical Review Letters. College Pk: Amer Physical Soc, v. 103, n. 14, p. 7, 2009.

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