甜蜜点超对称性
Sweet Spot Supersymmetry
摘要：
我们发现，在一类引力子质量为O（1）GeV的超对称理论中，不存在超对称味/CP问题、μ-问题、宇宙学模/引力子问题和四维/五维质子衰变问题.宇宙中大量的非热产生的引力子自然地解释了宇宙中的暗物质成分。超对称粒子的质量尺度和电弱尺度之间的一个温和的层次结构的预测，一致的零结果的搜索希格斯玻色子在LEP-II实验。强CP问题的关系得到解决。我们提出了一个参数化的模型的对撞机研究的目的。标量τ轻子是在参数空间理论上有利的区域中次轻的超对称粒子。标量τ的寿命为O（1000）秒，在对撞机实验中被认为是带电的稳定粒子。我们讨论的特征签名和策略，这类理论在LHC实验的确认。
英文摘要：
We find that there is no supersymmetric flavor/CP problem, mu-problem, cosmological moduli/gravitino problem or dimension four/five proton decay problem in a class of supersymmetric theories with O(1) GeV gravitino mass. The cosmic abundance of the non-thermally produced gravitinos naturally explains the dark matter component of the universe. A mild hierarchy between the mass scale of supersymmetric particles and electroweak scale is predicted, consistent with the null result of a search for the Higgs boson at the LEP-II experiments. A relation to the strong CP problem is addressed. We propose a parametrization of the model for the purpose of collider studies. The scalar tau lepton is the next to lightest supersymmetric particle in a theoretically favored region of the parameter space. The lifetime of the scalar tau is of O(1000) seconds with which it is regarded as a charged stable particle in collider experiments. We discuss characteristic signatures and a strategy for confirmation of this class of theories at the LHC experiments.
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