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arXiv 1709.07572hep-ph
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隐藏的QCD相变中的引力波

Gravitational Waves from Hidden QCD Phase Transition

Mayumi Aoki, Hiromitsu Goto, Jisuke Kubo

摘要:

早期宇宙的剧烈变化,如一级相变,会产生随机的引力波(GW)背景。研究了标准模型的标度不变扩展的可测性,该扩展利用了强相互作用类QCD隐扇区中手征相变产生的GW背景,通过SM单重实标量介体触发电弱相变.使用Nambu-Jona-Lasinio方法在平均场近似下,我们估计GW信号,并发现它可以通过未来的空间探测器进行测试。

英文摘要:

Drastic changes in the early universe such as first-order phase transition can produce a stochastic gravitational wave (GW) background. We investigate the testability of a scale invariant extension of the standard model (SM) using the GW background produced by the chiral phase transition in a strongly interacting QCD-like hidden sector, which, via a SM singlet real scalar mediator, triggers the electroweak phase transition. Using the Nambu--Jona-Lasinio method in a mean field approximation we estimate the GW signal and find that it can be tested by future space based detectors.

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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