Detecting Hidden Particles with MATHUSLA

Detecting Hidden Particles with MATHUSLA
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DOI:
10.1103/physrevd.97.055046
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发表时间:
2017-08
期刊:
arXiv: High Energy Physics - Phenomenology
影响因子:
--
通讯作者:
J. Evans
J. Evans
中科院分区:
其他
文献类型:
--
作者:
J. Evans

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包含轻的长寿命粒子的隐藏区域为寻找新物理学提供了一个有动力的地方。最近提出的 MATHUSLA 实验有可能对长寿命区域中罕见介子衰变产生的光粒子极其敏感。在这项工作中,我们通过光标量与类似标准模型的希格斯玻色子混合的具体示例来说明这种优势,在该模型中 MATHUSLA 可以进一步探测奇异希格斯衰变中未探索的参数空间。应考虑增强设计,以最大限度地提高 MATHUSLA 发现非常轻的隐藏扇形粒子的能力。
A hidden sector containing light long-lived particles provides a well-motivated place to find new physics. The recently proposed MATHUSLA experiment has the potential to be extremely sensitive to light particles originating from rare meson decays in the very long lifetime region. In this work, we illustrate this strength with the specific example of a light scalar mixed with the standard model-like Higgs boson, a model where MATHUSLA can further probe unexplored parameter space from exotic Higgs decays. Design augmentations should be considered in order to maximize the ability of MATHUSLA to discover very light hidden sector particles.