DOI 10.1007/s100529900266
Yukawa coupling corrections to
the decay
A. Akeroyd1 - A. Arhrib2,3,4 - E. Naimi3,4
1 Departamento de Física Teórica, IFIC/CSIC,
Universidad de Valencia, 46100 Burjassot,
Valencia, Spain
2 Departemento de Fisica-CENTRA, Instituto Superior Técnico,
Av Rovisco Pais 1, 1096 Lisboa Codex, Portugal
3 Département de Mathématiques, Faculté des Sciences
et
Techniques,
B.P 416, Tanger, Morocco
4 UFR-High Energy Physics, Physics Departement, Faculty of
Sciences,
PO Box 1014, Rabat, Morocco
Received: 22 April 1999 / Published online: 10 December 1999
Abstract
We compute the fermionic radiative contributions to the decay
in the framework of models with
two Higgs doublets (2HDM), for
the case of an on-shell and off-shell W. We show that, in the
majority of the cases, current measurements
of the 
parameter suggest
and such decays could invalidate current charged Higgs searches
or aid
detection in the region
.
We find that
the radiative corrections may approach 
for small values
of
.
Copyright Springer-Verlag 2000
