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Searching for numerically-simulated signals of black hole binaries with a phenomenological template family

机译:用现象学模板族搜索黑洞双星的数值模拟信号

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摘要

Recent progress in numerical relativity now allows computation of the binary black hole merger, whereas post-Newtonian and perturbative techniques can be used to model the inspiral and ringdown phases. So far, most gravitational-wave searches have made use of various post-Newtonian-inspired templates to search for signals arising from the coalescence of compact binary objects. Ajith et al have produced hybrid waveforms for non-spinning binary black-hole systems which include the three stages of the coalescence process, and constructed from them phenomenological templates which capture the features of these waveforms in a parametrized form. As a first step towards extending the present inspiral searches to higher-mass binary black-hole systems, we have used these phenomenological waveforms in a search for numerically-simulated signals injected into synthetic LIGO data as part of the NINJA project.
机译:数值相对论的最新进展现在允许计算二元黑洞合并,而牛顿后和微扰技术可用于对吸气阶段和振铃阶段进行建模。到目前为止,大多数重力波搜索都利用各种牛顿后启发式模板来搜索由紧凑二元物体的合并产生的信号。 Ajith等人已经为非旋转二进制黑洞系统生成了混合波形,该混合波形包括合并过程的三个阶段,并从中构造了现象学模板,这些模板以参数化形式捕获了这些波形的特征。作为将目前的启发式搜索扩展到更高质量的二进制黑洞系统的第一步,我们将这些现象学波形用于搜索注入到模拟LIGO数据中的数字模拟信号,这是NINJA项目的一部分。

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