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arXiv 2409.04545hep-phastro-ph.CO
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动力学对称破缺模型中相变产生的引力波与黑洞

Gravitational waves and black holes from the phase transition in models of dynamical symmetry breaking

Martín Arteaga, Anish Ghoshal, Alessandro Strumia

AI总结:

本文计算了动力学电弱对称破缺理论中一阶相变产生的原初黑洞和引力波,探讨了含标量单态或扩展规范矢量粒子的模型,发现稳定粒子或原初黑洞可作为暗物质候选者,且引力波在未来可被观测。

摘要:

动力学电弱对称破缺理论预言了强一阶宇宙学相变:我们计算了由此产生的信号,即原初黑洞和引力波。这些理论采用一个SM中性标量,加上一些额外的模型相关粒子,以从经典标度不变性中获得所需的量子势。我们考虑了额外粒子为标量单态,或扩展U(1)或SU(2)规范 sector 矢量的模型。在额外粒子稳定的模型中,它提供了一个粒子暗物质候选者,其冻结丰度往往超过原初黑洞。而在没有粒子暗物质候选者的模型中,原初黑洞则可成为暗物质。引力波处于未来搜寻可观测的水平,即使在暗物质无法直接测试的区域也是如此。

英文摘要:

Theories of dynamical electroweak symmetry breaking predict a strong first order cosmological phase transition: we compute the resulting signals, primordial black holes and gravitational waves. These theories employ one SM-neutral scalar, plus some extra model-dependent particle to get the desired quantum potential out of classical scale invariance. We consider models where the extra particle is a scalar singlet, or vectors of an extended U(1) or SU(2) gauge sector. In models where the extra particle is stable, it provides a particle Dark Matter candidate with freeze-out abundance that tends to dominate over primordial black holes. These can instead be DM in models without a particle DM candidate. Gravitational waves arise at a level observable in future searches, even in regions where DM cannot be directly tested.

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。

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