Radiative corrections to e+e- → H+H-:: THDM versus MSSM

被引：40

作者：

Arhrib, A

Moultaka, G

机构：

[1] Fac Sci & Tech, Dept Math, Tanger, Morocco

[2] Fac Sci Rabat, UFR Phys Hautes Energies, Rabat, Morocco

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

来源：

NUCLEAR PHYSICS B | 1999年 / 558卷 / 1-2期

关键词：

D O I：

10.1016/S0550-3213(99)00362-4

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：

One-loop radiative corrections to e(+)e(-) --> H+H- are considered at future linear collider energies, in the general type II Two Higgs Doublet Model (THDM) and in the Minimal Supersymmetric Standard Model-like (MSSM) Higgs sector. To make the comparison between THDM and MSSM tractable, we have introduced a quasi-SUSY parameterization which preserves all the tree-level Higgs mass-sum-rules of the MSSM, and involves just 3 free parameters in the Higgs sector (instead of 7 in the general THDM) and comprises the MSSM as a particular case. The model-independent soft photon contribution is isolated and shown to be substantial. Important effects come also from the contribution of the model dependent h(0)H(+)H(-) and (HH+H-)-H-0 vertices to the final state, In the MSSM, the contribution of the Higgs sector is moderate (a few percent) while in the THDM and both for small and large tan beta important effects (similar to +30%) can be found. (C) 1999 Published by Elsevier Science B.V. All rights reserved.

引用

页码：3 / 40

页数：38

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