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Measurement of the W boson mass

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Article number141801
<mark>Journal publication date</mark>1/10/2009
<mark>Journal</mark>Physical Review Letters
Issue number14
Number of pages7
<mark>Original language</mark>English


We present a measurement of the W boson mass in W -> ev 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 -> ev candidate events, we measure M_W = 80.401 +- 0.043 GeV. This is the most precise measurement from a single experiment.

Bibliographic note

© 2009 The American Physical Society

As published in PRL