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arxiv: hep-ex/9806023 · v1 · pith:3UIDY4HSnew · submitted 1998-06-24 · ✦ hep-ex

Measurements of the longitudinal structure function and |V_cs| in the CCFR experiment

CCFR/NuTeV Collaboration: U.K.Yang , C.McNulty , C.G.Arroyo , L.deBarbaro , P.deBarbaro , A.O.Bazarko , R.H.Bernstein , A.Bodek
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T.Bolton H.Budd J.Conrad D.A.Harris R.A.Johnson J.H.Kim B.J.King T.Kinnel M.J.Lamm W.C.Lefmann W.Marsh K.S.McFarland S.R.Mishra D.Naples P.Z.Quintas A.Romosan W.K.Sakumoto H.Schellman F.J.Sciulli W.G.Seligman M.H.Shaevitz W.H.Smith P.Spentzouris E.G.Stern M.Vakili J.Yu
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classification ✦ hep-ex
keywords measurementsccfrdatalongitudinalregionstructureanalysisanti-neutrino
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Measurements of charged current neutrino and anti-neutrino nucleon interactions in the CCFR detector are used to extract the structure functions, F_2, xF_3(nu), xF_3(nubar) and R(longitudinal) in the kinematic region 0.01<x<0.6 and 1<Q^2<300 GeV^2. The new measurements of R in the x<0.1 region provide a constraint on the level of the gluon distribution. The x and Q^2 dependence of R is compared with a QCD based fit to previous data. The CKM matrix element |V_cs| is extracted from a combined analysis of xF_3 and dimuon data.

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