arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1004.5350hep-phhep-th
收藏

LHC上的SUSY-汤川求和规则

SUSY-Yukawa Sum Rule at the LHC

Monika Blanke, David Curtin, Maxim Perelstein

摘要:

我们提出了“超对称(SUSY)汤川求和规则”,这是第三代夸克和方夸克的物理质量与混合角之间的关系。求和规则直接来自夸克和夸克与希格斯粒子耦合的关系,由超对称性强制执行。正是这种关系确保了希格斯质量从顶部扇区的单圈二次发散的消除。因此,通过实验测试求和规则将为超对称性作为规范层次问题的解决方案提供强大的一致性检查。虽然这样的测试很可能要等待未来的下一代轻子对撞机,但LHC实验可能能够朝着这一目标取得重大进展。如果进入求和规则的某些项是在LHC上测量的,那么求和规则可以(在超对称性框架内)对其他项施加有趣的约束,例如第三代平方子之间的混合角。我们概述了如何进行所需的质量测量,并估计在LHC可以实现的精度。

英文摘要:

We propose the "supersymmetric (SUSY) Yukawa sum rule", a relationship between physical masses and mixing angles of the third-generation quarks and squarks. The sum rule follows directly from a relation between quark and squark couplings to the Higgs, enforced by SUSY. It is exactly this relation that ensures the cancellation of the one-loop quadratic divergence in the Higgs mass from the top sector. Testing the sum rule experimentally would thus provide a powerful consistency check on SUSY as the solution to the gauge hierarchy problem. While such a test will most likely have to await a future next-generation lepton collider, the LHC experiments may be able to make significant progress towards this goal. If some of the terms entering the sum rule are measured at the LHC, the sum rule can be used (within SUSY framework) to put interesting constraints on the other terms, such as the mixing angles among third-generation squarks. We outline how the required mass measurements could be performed, and estimate the accuracy that can be achieved at the LHC.

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。

↑