超软止点
Supersoft Stops
摘要：
在超对称（SUSY）理论中，在中介尺度$Λ_{\text{UV}}$以下，可以根据红外场的内容和参数计算红外对希格斯质量的贡献。然而，在$Λ_{\text{UV}}$对物理的对数灵敏度仍然存在。在这项工作中，我们提出了一个框架的第一个例子，由对称性决定，从物质部门supersoften这些pronums。其结果是一个模型与有限的，红外可计算的修正希格斯质量。这就需要引入新的领域-“伐木工人”，其作用是筛选对紫外线敏感的原木。这些模型大大减少了微调，超过一个数量级的高尺度超对称性。这影响了对自然参数空间的解释，表明宣布高尺度超对称性的自然性危机可能为时过早。
英文摘要：
In a supersymmetric (SUSY) theory, the IR-contributions to the Higgs mass are calculable below the mediation scale $Λ_{\text{UV}}$ in terms of the IR field content and parameters. However, logarithmic sensitivity to physics at $Λ_{\text{UV}}$ remains. In this work we present a first example of a framework, dictated by symmetries, to supersoften these logarithms from the matter sector. The result is a model with finite, IR-calculable corrections to the Higgs mass. This requires the introduction of new fields -- the `lumberjacks' -- whose role is to screen the UV-sensitive logs. These models have considerably reduced fine-tuning, by more than an order of magnitude for high scale supersymmetry. This impacts interpretations of the natural parameter space, suggesting it may be premature to declare a naturalness crisis for high-scale SUSY.
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