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arXiv 2109.09779astro-ph.SRastro-ph.COgr-qc
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引力波背景下人口III星的足迹

Footprints of population III stars in the gravitational-wave background

Katarina Martinovic, Carole Perigois, Tania Regimbau, Mairi Sakellariadou

摘要:

我们调查的引力波背景(GWB)的检测前景,起源于合并的紧凑的对象所形成的第III族恒星的崩溃。年轻的I/II星族星在螺旋阶段导致LIGO/Virgo频段的GWB,而III星族星可能会在后来的合并和衰荡阶段出现。我们表明,使用网络的第三代探测器,我们可能能够分离人口I/II信号从人口III之一,只要我们可以减去个人合并事件。对第三族GWB的探测可以揭示重要的信息,例如平均红移总质量。

英文摘要:

We investigate detection prospects of the gravitational-wave background (GWB) that originates from the merging of compact objects formed by the collapse of population III stars. Younger population I/II stars lead to a GWB in the LIGO/Virgo frequency band at the inspiral phase, while population III stars would likely show up at the later merger and ringdown phases. We show that, using a network of third-generation detectors, we may be able to separate a population I/II signal from a population III one, provided we can subtract individual coalescence events. A detection of a population III GWB could reveal important information, such as the average redshifted total mass.

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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