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Título

Decay of charged Higgs boson in a scenario of SUSY breaking inspired neutrino mass

Autor Cho, Gi-Chol; Kaneko, Satoru; Omote, Aya
Palabras clave Supersymmetric Standard Model
Radiative corrections
AHEP Group
Fecha de publicación 6-sep-2007
EditorElsevier
Citación Physics Letters B 652(5-6): 325-330 (2007)
ResumenIn some class of supersymmetric models, small neutrino mass is given as a consequence of the supersymmetry (SUSY) breaking. Phenomenologically interesting features of this scenario are as follows: (i) the right-handed sneutrino mass could be as low as TeV scale due to the Giudice-Masiero mechanism, and (ii) a scalar trilinear interaction of Higgs-slepton-(right-handed)-sneutrino could be sizable without suppression by the small neutrino Yukawa coupling. 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.
Descripción 6 pages, 3 figures.-- ISI Article Identifier: 000249488600020.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ph/0611240
Available online 19 July 2007.
Versión del editorhttp://dx.doi.org/10.1016/j.physletb.2007.07.024
URI http://hdl.handle.net/10261/9121
DOI10.1016/j.physletb.2007.07.024
ISSN0370-2693
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