Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1996-07-23
Phys.Lett. B389 (1996) 538-544
Physics
High Energy Physics
High Energy Physics - Phenomenology
15 pages, LaTeX, also available at ftp://physics.ge.seikei.ac.jp/Pub/preprint/itpsu9603.uu (uuencoded postscript)
Scientific paper
10.1016/S0370-2693(96)01312-3
We present a detailed study of the decays of the neutral Higgs bosons $H^0$ and $A^0$ within the Minimal Supersymmetric Standard Model. We find that the supersymmetric modes ${\tilde{t}}\bar{\tilde{t}}$ and ${\tilde{b}}\bar{\tilde{b}}$ can dominate the $H^0$ and $A^0$ decays in a wide range of the model parameters due to large Yukawa couplings and mixings of ${\tilde{t}}$ and ${\tilde{b}}$. Compared to the conventional modes $t\bar{t}$ and $b\bar{b}$, these modes have very distinctive signatures. This could have a decisive impact on the neutral Higgs boson searches at future colliders.
Bartl Alfred
Eberl Helmut
Hidaka Keisho
Kon Tadashi
Majerotto Walter
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