Search for W′ bosons decaying to an electron and a neutrino with the D0 detector

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2008-01-24

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Abazov, V. M.
Abbott, B.
Abolins, M.
Acharya, B. S.
Adams, M.
Adams, T.
Aguilo, E.
Ahn, S. H.
Ahsan, M.
Alexeev, G. D.

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This Letter describes the search for a new heavy charged gauge boson W′ decaying into an electron and a neutrino. The data were collected with the D0 detector at the Fermilab Tevatron pp̄ Collider at s=1.96TeV, and correspond to an integrated luminosity of about 1fb-1. Lacking any significant excess in the data in comparison with known processes, an upper limit is set on σW′×B(W′→eν), and a W′ boson with mass below 1.00 TeV can be excluded at the 95% C.L., assuming standard-model-like couplings to fermions. This result significantly improves upon previous limits and is the most stringent to date. © 2008 The American Physical Society.

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Physical Review Letters, v. 100, n. 3, 2008.