July 25, 2007 to August 1, 2007
Karlsruhe University
Europe/Zurich timezone

Decay of Charged Higgs boson in TeV scale supersymmetric seesaw model

Jul 26, 2007, 6:10 PM
20m
Small Auditorium A (Karlsruhe University)

Small Auditorium A

Karlsruhe University

Wolfgang-Gaede-Str. 1 76131 Karlsruhe Germany
Parallel Talk Colliders - Higgs Phenomenology Colliders - Higgs Phenomenology 2 (Theory)

Speaker

Dr Satoru Kaneko (IFIC, Valencia Univ.)

Description

In some class of supersymmetric models, the right-handed neutrino mass is given as a consequence of the supersymmetry (SUSY) breaking and its scale could be as low as TeV scale due to the Giudice-Masiero mechanism. A phenomenologically interesting feature of this scenario is an enhancement of a scalar trilinear interaction of Higgs- slepton-(right-handed) sneutrino. We study some phenomenological aspects of this scenario focusing on the scalar trilinear interaction. We show that the 1-loop correction by sneutrino exchange to the lightest Higgs boson mass destructively interferes with top-stop contributions in the minimal SUSY Standard Model. We find that a decay of charged Higgs boson into sneutrino and charged slepton is sizably enhanced and hence it gives rise to a distinctive signal at future collider experiments in some parameter space.

Primary author

Dr Satoru Kaneko (IFIC, Valencia Univ.)

Co-authors

Dr Aya Omote (Ochanomizu Univ.) Prof. Gi-Chol Cho (Ochanomizu Univ.)

Presentation materials