Measurement of the W Boson Mass
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2009-10-02
Autores
Abazov, V. M.
Abbott, B.
Abolins, M.
Acharya, B. S.
Adams, M.
Adams, T.
Aguilo, E.
Ahsan, M.
Alexeev, G. D.
Alkhazov, G.
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Amer Physical Soc
Resumo
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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Physical Review Letters. College Pk: Amer Physical Soc, v. 103, n. 14, p. 7, 2009.