CP-odd anomalous W-boson couplings from supersymmetry
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
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.