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arXiv 1702.05484hep-ph
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在未来强子对撞机上破译MSSM希格斯质量

Deciphering the MSSM Higgs Mass at Future Hadron Colliders

Prateek Agrawal, JiJi Fan, Matthew Reece, Wei Xue

摘要:

未来的强子对撞机将具有发现大质量新粒子的非凡能力,但它们对耦合的精确测量能力,可以揭示潜在的机制,却很少受到研究。在这项工作中,我们研究未来的强子对撞机的能力,阐明了一个精确的,集中的问题:是125 GeV的希格斯质量的MSSM解释?如果超对称性在TeV尺度附近实现,未来的强子对撞机可能会产生大量的胶子和电弱子。我们探讨是否精确测量其属性可以允许的标量质量和$\tan β$的推断,以足够的精度来测试是否需要超越MSSM的物理解释希格斯质量。我们还讨论了作为$\tan β$补充探针的暗物质直接探测和精确希格斯粒子物理。具体而言,我们专注于MSSM参数空间的小分裂制度在100 TeV的$pp$对撞机,标量质量范围从10秒到约1000 TeV。

英文摘要:

Future hadron colliders will have a remarkable capacity to discover massive new particles, but their capabilities for precision measurements of couplings that can reveal underlying mechanisms have received less study. In this work we study the capability of future hadron colliders to shed light on a precise, focused question: is the higgs mass of 125 GeV explained by the MSSM? If supersymmetry is realized near the TeV scale, a future hadron collider could produce huge numbers of gluinos and electroweakinos. We explore whether precision measurements of their properties could allow inference of the scalar masses and $\tan β$ with sufficient accuracy to test whether physics beyond the MSSM is needed to explain the higgs mass. We also discuss dark matter direct detection and precision higgs physics as complementary probes of $\tan β$. For concreteness, we focus on the mini-split regime of MSSM parameter space at a 100 TeV $pp$ collider, with scalar masses ranging from 10s to about 1000 TeV.

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