DOI 10.1007/s100529801007
P-odd observables at the
peak
J. Bernabéu1 - F.J. Botella1,2 - O. Vives1,2
1 Departament de Física Teòrica, Universitat de València, Spain
2 I.F.I.C. (Centre Mixte Universitat de València-C.S.I.C.),
E-46100 Burjassot, València, Spain
Received: 14 April 1998 / Revised version: 25 August 1998 / Published online: 3 December 1998
Abstract
We study the -Z interference in the process
as a means to measure the neutral
current coupling of the b-quark. The helicity amplitudes are calculated
from resonant and background diagrams and the spin density matrix of the
final state is discussed. The spin analyzer of the
's is illustrated
with the decays
and
. With
a sensitivity to gVb of a few per cent could be
reachable.
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