Precise determination of electroweak parameters in neutrino-nucleon scattering.

Zeller, G P; McFarland, K S; Adams, T; Alton, A; Avvakumov, S; de Barbaro, L; de Barbaro, P; Bernstein, R H; Bodek, A; Bolton, T; Brau, J; Buchholz, D; Budd, H; Bugel, L; Conrad, J; Drucker, R B; Fleming, B T; Frey, R; Formaggio, J A; Goldman, J; Goncharov, M; Harris, D A; Johnson, R A; Kim, J H; Koutsoliotas, S; Lamm, M J; Marsh, W; Mason, D; McDonald, J; McNulty, C; Naples, D; Nienaber, P; Romosan, A; Sakumoto, W K; Schellman, H; Shaevitz, M H; Spentzouris, P; Stern, E G; Suwonjandee, N; Tzanov, M; Vakili, M; Vaitaitis, A; Yang, U K; Yu, J; Zimmerman, E D

Zeller, G P; McFarland, K S; Adams, T; Alton, A; Avvakumov, S; de Barbaro, L; de Barbaro, P; Bernstein, R H; Bodek, A; Bolton, T; Brau, J; Buchholz, D; Budd, H; Bugel, L; Conrad, J; Drucker, R B; Fleming, B T; Frey, R; Formaggio, J A; Goldman, J; Goncharov, M; Harris, D A; Johnson, R A; Kim, J H; Koutsoliotas, S; Lamm, M J; Marsh, W; Mason, D; McDonald, J; McNulty, C; Naples, D; Nienaber, P; Romosan, A; Sakumoto, W K; Schellman, H; Shaevitz, M H; Spentzouris, P; Stern, E G; Suwonjandee, N; Tzanov, M; Vakili, M; Vaitaitis, A; Yang, U K; Yu, J; Zimmerman, E D.

Afiliação

Zeller GP; Northwestern University, Evanston, Illinois 60208, USA.

Phys Rev Lett ; 88(9): 091802, 2002 Mar 04.

Article em En | MEDLINE | ID: mdl-11863995

ABSTRACT

ABSTRACT

The NuTeV Collaboration has extracted the electroweak parameter sin(2)theta(W) from the measurement of the ratios of neutral current to charged current nu and (-)nu cross sections. Our value, sin(2)theta((on-shell))(W) = 0.2277 +/- 0.0013(stat) +/- 0.0009(syst), is 3 standard deviations above the standard model prediction. We also present a model independent analysis of the same data in terms of neutral-current quark couplings.

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Base de dados: MEDLINE Tipo de estudo: Prognostic_studies Idioma: En Revista: Phys Rev Lett Ano de publicação: 2002 Tipo de documento: Article País de afiliação: Estados Unidos

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