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arXiv 1907.08628hep-ph
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下一代对撞机上暗物质和含微观黑洞的暗扇区的发现和光谱学

Discovery and spectroscopy of dark matter and dark sectors with microscopic black holes at next generation colliders

Ningqiang Song, Aaron C. Vincent

备注：
8 pages, 5 figures, matched published version
发表信息：
Phys. Rev. Lett. 124, 051801 (2020)
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摘要：

如果可能的额外维度的长度尺度足够大，有效普朗克尺度就会降低，从而在对撞机上高能粒子的碰撞中可以产生微观黑洞。这些黑洞通过霍金辐射蒸发，霍金辐射是从所有运动学和热允许的自由度集合中提取的少数高能粒子，包括暗物质。在这里，我们进行了第一次数值黑洞光谱研究的黑暗部门。我们发现，如果下一代对撞机可以产生微观黑洞，那么丢失的动量信号可以揭示任何新的光（$\lesssim 10$ TeV）粒子的存在，无论它与标准模型的耦合强度如何，即使根本不存在这种非引力耦合。

英文摘要：

If the length scale of possible extra dimensions is large enough, the effective Planck scale is lowered such that microscopic black holes could be produced in collisions of high-energy particles at colliders. These black holes evaporate through Hawking radiation of a handful of energetic particles drawn from the set of all kinematically and thermally allowed degrees of freedom, including dark matter. Here, we perform the first numerical black hole spectroscopic study of the dark sector. We find that if the next generation of colliders can produce microscopic black holes, then missing momentum signatures can reveal the existence of any new light ($\lesssim 10$ TeV) particle, regardless of the strength of its coupling to the Standard Model, even if there exists no such non-gravitational coupling at all.

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