New mechanisms of gauge-mediated supersymmetry breaking

被引：53

作者：

Randall, L

机构：

[1] Center for Theoretical Physics, MA Inst. of Technol., 6-310, Cambridge

来源：

NUCLEAR PHYSICS B | 1997年 / 495卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

gauge-mediated supersymmetry breaking;

D O I：

10.1016/S0550-3213(97)00225-3

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：

New mechanisms for the communication of supersymmetry breaking via gauge interactions are introduced. These models do not require complicated dynamics to induce a non-vanishing F term for a singlet. The first class of models communicates supersymmetry breaking to the visible sector through a ''mediator'' field that transforms under both a messenger gauge group of the dynamical supersymmetry breaking sector and the standard model gauge group. This model has a distinctive phenomenology; in particular, the scalar superpartners should be heavier than the gaugino superpartners by at Least an order of magnitude. The second class of models has a phenomenology more similar to the ''standard'' messenger sectors. A singlet is incorporated, but the model does not require complicated mechanisms to generate a singlet F term. The role of the singlet is to couple fields from the dynamical symmetry breaking sector to fields transforming under the standard model gauge group. We also mention a potential solution to the mu problem. (C) 1997 Elsevier Science B.V.

引用

页码：37 / 56

页数：20

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