Towards high-precision predictions for the MSSM Higgs sector

被引：762

作者：

Degrassi, G

Heinemeyer, S

Hollik, W

Slavich, P

Weiglein, G

机构：

[1] Univ Roma 3, Dipartimento Fis, I-00146 Rome, Italy

[2] Ist Nazl Fis Nucl, Sez Roma 3, I-00146 Rome, Italy

[3] LMU Munchen, Inst Theoret Elementarteilchenphys, D-80333 Munich, Germany

[4] Max Planck Inst Phys & Astrophys, Werner Heisenberg Inst, D-80805 Munich, Germany

[5] Univ Karlsruhe, Inst Theoret Phys, D-76128 Karlsruhe, Germany

[6] Univ Durham, Inst Particle Phys Phenomenol, Durham DH1 3LE, England

来源：

EUROPEAN PHYSICAL JOURNAL C | 2003年 / 28卷 / 01期

关键词：

D O I：

10.1140/epjc/s2003-01152-2

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The status of the evaluation of the MSSM Higgs sector is reviewed. The phenomenological impact of recently obtained corrections is discussed. In particular it is shown that the upper bound on m(h) within the MSSM is shifted upwards. Consequently, lower limits on tan beta obtained by confronting the upper bound as function of tan beta with the lower bound on m(h) from Higgs searches are significantly weakened. Furthermore, the region in the M-A-tan beta-plane where the coupling of the lightest Higgs boson to down-type fermions is suppressed is modified. The presently not calculated higher-order corrections to the Higgs-boson mass matrix are estimated to shift the mass of the lightest Higgs boson by up to 3 GeV.

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页码：133 / 143

页数：11

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