NEUTRAL CURRENT COUPLING-CONSTANTS FROM NEUTRINO-ELECTRON SCATTERING

Yazar
Grigoriev, E.
Arik, E.
Beyer, R.
Büsser, F.W.
Capone, A.
Caria, M.
Cocco, A.G.
De Pedis, D.
Di Capua, E.
Dore, U.
Eckart, B.
Ereditato, A.
Favart, D.
Fiorillo, G.
Flegel, W.
Foos, C.
Frenkel-Rambaldi, A.
Gerland, L.
Gorbunov, P.
Grégoire, G.
Zacek, G.
Grote, H.
Hiller, K.
Khovansky, V.
Knoops, E.
Layda, T.
Nathaniel, A.
Niebergall, F.
Øverås, H.
Palladino, V.
Panman, J.
Piredda, G.
Rädel, G.
Ricciardi, S.
Roloff, H.E.
Rozanov, A.
Saitta, B.
Santacesaria, R.
Serin-Zeyrek, M.
Sever, R.
Stähelin, P.
Staude, A.
Strolin, P.
Tolun, P.
Vilain, P.
Vogt, J.
Voss, T.
Wilquet, G.
Winter, K.
Zacek, V.
Akkus, Baki
Lemaître, V.
Lippich, W.
Loverre, P.F.
Macina, D.
Maslennikov, A.
Mouthuy, T.
Nahnhauer, R.
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Özet
We are reporting on a determination of neutral current coupling constants from a study of differential cross sections of muon-(anti)neutrino electron scattering. The results were obtained with the CHARM-II detector which was exposed to the CERN wide band neutrino beam in the years 1987 to 1991. A total of about 3000 nue and 3000 nueBAR scattering events were observed. We present a preliminary value of sin2 theta(W) determined with the ratio of neutrino and antineutrino electron scattering cross-sections, based on the full data sample, and we give a determination of the effective vector and axial-vector neutral current coupling constants and the first measurement of the shape of the y-distributions based on 80% of the total statistics.
Bağlantı
http://hdl.handle.net/20.500.12627/103057
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=43949168911&origin=inward
https://doi.org/10.1016/0920-5632(93)90148-y
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