NEUTRAL CURRENT COUPLING-CONSTANTS FROM NEUTRINO-ELECTRON SCATTERING


Akkus B. , Arik E., Beyer R., Büsser F., Capone A., Caria M., ...Daha Fazla

NUCLEAR PHYSICS B, ss.287-292, 1993 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası:
  • Basım Tarihi: 1993
  • Doi Numarası: 10.1016/0920-5632(93)90148-y
  • Dergi Adı: NUCLEAR PHYSICS B
  • Sayfa Sayıları: ss.287-292

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.