DOI 10.1007/s100529800811
CP-odd anomalous W-boson couplings from supersymmetry
Minako Kitahara1 - Miho Marui2 - Noriyuki Oshimo3 - Tomomi Saito1 - Akio Sugamoto1
1 Department of Physics and
Graduate School of Humanities and Sciences,
Ochanomizu University, Otsuka 2-1-1,
Bunkyo-ku, Tokyo 112, Japan
2 Faculty of Social Information Science,
Kure University, Gouhara 2411-26, Kure, Hiroshima 724-07, Japan -
Institute for Cosmic Ray Research,
University of Tokyo, Midori-cho 3-2-1,
Tanashi, Tokyo 188, Japan
Received: 6 October 1997 / Published online: 26 February 1998
Abstract
The supersymmetric standard model contains a new
CP-violating phase in the mass matrices for charginos and
neutralinos, which could induce CP-odd anomalous
couplings for the WWZ and 
vertices at the one-loop level.
We study these couplings,
paying attention to the model-parameter and q2 dependencies.
It is shown that the CP-odd form factors could have values
of order 10-3-10-4, which
are much larger than those predicted by the standard model.
We also discuss the possibility of examining these form
factors in experiments.
Copyright Springer-Verlag
