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 1987-1990. A total of about 2100 ve and 2200 v¯e scattering events were observed. From a comparison between the data and predicted event distributions, the effective vector and axial-vector neutral current coupling constants of the electron were determined to be ge_v=-0.025+/-0.019 and ge_A=-0.503+/-0.018.

NEUTRAL CURRENT COUPLING-CONSTANTS FROM NEUTRINO-ELECTRON AND ANTINEUTRINO-ELECTRON SCATTERING / Vilain, P., Wilquet, G., Flegel, W., Grote, H., Mouthuy, T., Overas, H., Panman, J., Rozanov, A., Winter, K., Zacek, G., Zacek, V., Beyer, R., Busser, F.w., Foos, C., Gerland, L., Layda, T., Niebergall, F., Radel, G., Stahelin, P., Voss, T., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - STAMPA. - 281:(1992), pp. 159-166. [10.1016/0370-2693(92)90291-B]

NEUTRAL CURRENT COUPLING-CONSTANTS FROM NEUTRINO-ELECTRON AND ANTINEUTRINO-ELECTRON SCATTERING

CAPONE, Antonio;DORE, Ubaldo;LOVERRE, Pier Ferruccio;
1992

Abstract

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 1987-1990. A total of about 2100 ve and 2200 v¯e scattering events were observed. From a comparison between the data and predicted event distributions, the effective vector and axial-vector neutral current coupling constants of the electron were determined to be ge_v=-0.025+/-0.019 and ge_A=-0.503+/-0.018.
1992
01 Pubblicazione su rivista::01a Articolo in rivista
NEUTRAL CURRENT COUPLING-CONSTANTS FROM NEUTRINO-ELECTRON AND ANTINEUTRINO-ELECTRON SCATTERING / Vilain, P., Wilquet, G., Flegel, W., Grote, H., Mouthuy, T., Overas, H., Panman, J., Rozanov, A., Winter, K., Zacek, G., Zacek, V., Beyer, R., Busser, F.w., Foos, C., Gerland, L., Layda, T., Niebergall, F., Radel, G., Stahelin, P., Voss, T., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - STAMPA. - 281:(1992), pp. 159-166. [10.1016/0370-2693(92)90291-B]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/245744
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