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arXiv 0904.4431hep-phhep-th
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4-1模型下的半直接规范调解

Semi-Direct Gauge Mediation with the 4-1 Model

Henriette Elvang, Brian Wecht

摘要:

我们分析了一个半直接规范中介模型,其中隐扇区是4-1模型,信使场在U(1)规范群下带电。在树的层次上,超对称性破坏的F项诱导D项,超对称性分裂的信使质量由此产生。我们用三种互补的方法计算这些质量。此外,我们计算质量的单圈修正。我们考虑了这个模型,有和没有一个Fayet-Iliopoulos项的隐藏部门U(1)。最后,我们写下一个简单的模型,最小规格调解,其中唯一的规模是动态生成的。

英文摘要:

We analyze a model of Semi-Direct Gauge Mediation in which the hidden sector is the 4-1 model and the messenger fields are charged under the U(1) gauge group. At tree level, the SUSY-breaking F-terms induce D-terms from which SUSY-split messenger masses arise. We calculate these masses by three complementary methods. Additionally, we compute the one-loop corrections to the masses. We consider this model both with and without a Fayet-Iliopoulos term for the hidden sector U(1). Finally, we write down a simple model of Minimal Gauge Mediation in which the only scale is dynamically generated.

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