论文标题
用GWTC-1的紧凑型二进制合并来限制未建模的物理学
Constraining Unmodeled Physics with Compact Binary Mergers from GWTC-1
论文作者
论文摘要
我们提出了一个灵活的模型，以描述观察到的引力波信号的通用偏差与Ligo和处女座重力波检测器中建模波形的效果。通过检测到GWTC-1目录的11个引力波事件，我们能够约束与建模波形的可能偏差。在本文中，我们介绍了描述偏差的连贯样条模型，然后选择基于极端自发标量的示例现象学和天体物理动机的出发来验证我们的模型。我们发现该模型能够恢复模拟偏差。通过执行模型比较，我们观察到样条模型比正常紧凑型二元合并（CBC）模型有效地描述了模拟的出发。我们使用模型分析了事件的整个GWTC-1目录，并将其与正常的CBC模型进行比较，发现与所使用的模型模板重力波形没有显着偏离。
We present a flexible model to describe the effects of generic deviations of observed gravitational wave signals from modeled waveforms in the LIGO and Virgo gravitational wave detectors. With the detection of 11 gravitational wave events from the GWTC-1 catalog, we are able to constrain possible deviations from our modeled waveforms. In this paper we present our coherent spline model that describes the deviations, then choose to validate our model on an example phenomenological and astrophysically motivated departure in waveforms based on extreme spontaneous scalarization. We find that the model is capable of recovering the simulated deviations. By performing model comparisons we observe that the spline model effectively describes the simulated departures better than a normal compact binary coalescence (CBC) model. We analyze the entire GWTC-1 catalog of events with our model and compare it to a normal CBC model, finding that there are no significant departures from the modeled template gravitational waveforms used.
