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arXiv 1012.2952hep-ph
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希格斯介子

Higgs Messengers

Jason L. Evans, Matthew Sudano, Tsutomu T. Yanagida

摘要:

我们探讨了希格斯场作为超对称破缺信使的后果。规范调解框架中的隐藏扇区范例通过允许两种类型的规范不变,可重正化算子(通常被丢弃)而被放松:希格斯粒子和超对称破缺单线态之间的直接耦合,以及希格斯粒子信使混合项。最重要的唯象结果是sfermion质量随味道而变化。这是从一个单循环的贡献,我们计算的一般集合的弱双重信使。我们还详细研究了几个显式模型,发现精确的电弱约束可以满足与规范调解显着不同的频谱。

英文摘要:

We explore the consequences of the Higgs fields acting as messengers of supersymmetry breaking. The hidden-sector paradigm in the gauge mediation framework is relaxed by allowing two types of gauge-invariant, renormalizable operators that are typically discarded: direct coupling between the Higgses and supersymmetry breaking singlets, and Higgs-messenger mixing terms. The most important phenomenological consequence is a flavor-dependent shift in sfermion masses. This is from a one-loop contribution, which we compute for a general set of weak doublet messengers. We also study a couple of explicit models in detail, finding that precision electroweak constraints can be satisfied with a spectrum significantly different from that of gauge mediation.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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