Bosonic decays of t̃2 and b̃2

A. Bartl, H. Eberl, K. Hidaka, S. Kraml, T. Kon, W. Majerotto, W. Porod, Y. Yamada

研究成果: Article査読

30 被引用数 (Scopus)

抄録

We perform a detailed study of the decays of the heavier top and bottom squarks (t̃2 and b̃2) in the Minimal Supersymmetric Standard Model (MSSM). We show that the decays into Higgs or gauge bosons, i.e. t̃2 → t̃1 + (h0, H0, A0 or Z0), t̃2 → b̃1,2 + (H+ or W+), and the analogous b̃2 decays, can be dominant in a wide range of the model parameters due to the large Yukawa couplings and mixings of t̃ and b̃. Compared to the conventional decays into fermions, such as t̃2 → t + ( χ̃0i or g̃) and t̃2 → b + χ̃+j, these bosonic decay modes can have significantly different decay structures and distributions. This could have an important impact on the search for t̃2 and b̃2 and the determination of the MSSM parameters at future colliders.

本文言語English
ページ(範囲)118-124
ページ数7
ジャーナルPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
435
1-2
DOI
出版ステータスPublished - 1998 9 3

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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