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arxiv: hep-ex/9906024 · v1 · submitted 1999-06-14 · ✦ hep-ex

A Measurement of the Weak Mixing Angle in Neutrino-Nucleon Scattering at NuTeV

G.P. Zeller , T.Adams , A.Alton , S.Avvakumov , L.deBarbaro , P.deBarbaro , R.H.Bernstein , A.Bodek
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T.Bolton J.Brau D.Buchholz H.Budd L.Bugel J.Conrad R.B.Drucker J.Formaggio R.Frey J.Goldman M.Goncharov D.A. Harris R.A.Johnson S.Koutsoliotas J.H.Kim M.J.Lamm W.Marsh D.Mason C.McNulty K.S.McFarland D.Naples P.Nienaber A.Romosan W.K.Sakumoto H.Schellman M.H.Shaevitz P.Spentzouris E.G.Stern B.Tamminga M.Vakili A.Vaitaitis V.Wu U.K.Yang J.Yu
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classification ✦ hep-ex
keywords nutevanglehighmeasurementmixingallowassociatedassumptions
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The NuTeV experiment at Fermilab presents a determination of the electroweak mixing angle. High purity, large statistics samples of muon-neutrino and muon-antineutrino events allow the use of the Paschos-Wolfenstein relation. This considerably reduces systematic errors associated with charm production and other sources. With Standard Model assumptions, this measurement of sin2thw indirectly determines the W boson mass to a precision comparable to direct measurements from high energy e+e- and p-pbar colliders. NuTeV measures sin^2theta_W (on-shell) = 0.2253 +/- 0.0019(stat) +/- 0.0010(syst) which implies M_W = 80.26 +/- 0.11 GeV.

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