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Impact of squark pair decay modes on search for supersymmetric neutral Higgs bosons

Jul, 1996

14 pages

Published in:

Phys.Lett.B 389 (1996) 538-544

e-Print:

hep-ph/9607388 [hep-ph]

DOI:

10.1016/S0370-2693(96)01312-3

Report number:

UWTHPH-1996-44,
HEPHY-PUB-650-96,
TGU-18,
ITP-SU-96-03,
MADPH-96-952

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Abstract:

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.

Note:

15 pages, LaTeX file, full postscript file (uuencoded) available at ftp://physics.ge.seikei.ac.jp/Pub/preprint/itpsu9603.uu Report-no: UWThPh-1996-44, HEPHY-PUB 650/96, TGU-18, ITP-SU-96/03, MADPH-96-952

Salam-Weinberg model
Higgs particle: neutral particle
supersymmetry
Higgs particle: search for
Higgs particle: decay modes
Higgs particle: branching ratio
sparticle: pair production
postulated particle: squark
top
bottom

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