超越GW190521的标准模型解释
Beyond the Standard Model Explanations of GW190521
摘要：
LIGO/Virgo合作最近宣布探测到一个重的双黑洞合并，其组成质量无法用标准的恒星结构理论解释。在这封信中，我们提出了几种基于新物理模型的解释，包括新的轻粒子损失、修正的引力、大的额外维度和中微子的小磁矩。每一个都对对物理学的不稳定性产生不同的影响，导致在黑洞质量间隙内形成黑洞的新机制。
英文摘要：
The LIGO/Virgo collaboration has recently announced the detection of a heavy binary black hole merger, with component masses that cannot be explained by standard stellar structure theory. In this letter we propose several explanations based on models of new physics, including new light particle losses, modified gravity, large extra dimensions, and a small magnetic moment of the neutrino. Each of these affect the physics of the pair-instability differently, leading to novel mechanisms for forming black holes inside the black hole mass gap.
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