论文标题
在重力波事件中搜索质量旋转相关性：GWTC-3案例研究
Searching for mass-spin correlations in the population of gravitational-wave events: the GWTC-3 case study
论文作者
论文摘要
新出生的引力波天文学的一个基本目标是发现观察到的二进制黑洞合并的起源。为此，确定不断增长的数据中的特征可能有助于区分不同的地层途径。尽管大型不确定性仍影响二进制形成模型，但自旋质量关系仍然是特定类别类别类别的特征。通过专注于有效的Inspiral Spin $χ_\ text {eff} $，是最佳的自旋相关的合并参数，我们表明当前的GWTC-3数据支持以下假设：一小部分事件可能显示出类似于由天体物质或原始性质的动态形成通道所期望的质量旋转相关性。我们量化了这些模型的贝叶斯证据，与采用的高斯现象学模型相比，这些模型是基本上优选的，该模型用于描述$χ_\ text {eff} $在最近的Ligo/Virgo/kagra种群分析中的分布。
One fundamental goal of the newly born gravitational wave astronomy is discovering the origin of the observed binary black hole mergers. Towards this end, identifying features in the growing wealth of data may help in distinguishing different formation pathways. While large uncertainties still affect the binary formation models, spin-mass relations remain characteristic features of specific classes of channels. By focusing on the effective inspiral spin $χ_\text{eff}$, the best reconstructed spin-related merger parameter, we show that current GWTC-3 data support the hypothesis that a fraction of events may display mass-spin correlations similar to one expected by dynamical formation channels of either astrophysical or primordial nature. We quantify the Bayesian evidence in favour of those models, which are substantially preferred when compared to the Gaussian phenomenological model adopted to describe the distribution of $χ_\text{eff}$ in the recent LIGO/Virgo/KAGRA population analyses.
