SQUARK CONTRIBUTIONS TO HIGGS-BOSON MASSES IN THE NEXT-TO-MINIMAL SUPERSYMMETRIC STANDARD MODEL

被引：97
|
作者：
ELLIOTT, T
KING, SF
WHITE, PL
机构：
[1] Physics Department, University of Southampton, Southampton
来源：
PHYSICS LETTERS B | 1993年 / 314卷 / 01期
关键词：
D O I：
10.1016/0370-2693(93)91321-D
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Within the context of an effective potential formalism we calculate the contribution to Higgs boson masses in the next-to-minimal supersymmetric standard model from squark loops. We then supplement a previously performed renormalisation group analysis of the Higgs sector of this model with these results in order to determine the shift in the bound on the lightest CP-even Higgs boson mass as a result of squark effects. The improved bound on the lightest neutral CP-even Higgs boson mass, including squark contributions, is m(h) less-than-or-equal-to 146 (139,149) GeV for m(t) = 90 (140,190) GeV. For m(t) = 190 GeV squark effects contribute 23 GeV to the bound, with smaller contributions for small m(t) values.
引用
收藏
页码：56 / 63
页数：8
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