Minimal supersymmetric standard model Higgs bosons in the intense-coupling regime -: art. no. 055004

被引：57

作者：

Boos, E ^{[1
]}

Djouadi, A

Mühlleitner, M

Vologdin, A

机构：

[1] Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow 119899, Russia

[2] DESY, D-22603 Hamburg, Germany

[3] Univ Montpellier 2, Lab Phys Math & Theor, CNRS, UMR 5825, F-34095 Montpellier 5, France

来源：

PHYSICAL REVIEW D | 2002年 / 66卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.66.055004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We perform a comprehensive study of the Higgs sector of the minimal supersymmetric extension of the standard model in the case where all Higgs bosons are rather light, with masses of O(100 GeV), and couple maximally to electroweak gauge bosons and strongly to standard third generation fermions, i.e. for large values of the ratio of the vacuum expectation values of the two Higgs doublet fields, tan beta. We first summarize the main phenomenological features of this "intense-coupling" scenario and discuss the available constraints from direct searches of Higgs bosons at CERN LEP2 and the Fermilab Tevatron as well as the indirect constraints from precision measurements such as the rho parameter, the Zb (b) over bar vertex, the muon (g-2) and the decay b-->sgamma. We then analyze the decay branching fractions of the neutral Higgs particles in this regime and their production cross sections at the upcoming colliders, the Tevatron run II, the CERN Large Hadron Collider, a 500 GeV e(+)e(-) linear collider (in the e(+)e(-) and gammagamma options) as well as at a mu(+)mu(-) collider.

引用

页数：32

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