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Understanding the LIGO GW150914 event
Naselsky, P; Jackson, AD; Liu H(刘浩); Liu, H
2016
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
期号8
摘要We present a simplified method for the extraction of meaningful signals from Hanford and Livingston 32 second data for the GW150914 event made publicly available by the LIGO collaboration, and demonstrate its ability to reproduce the LIGO collaboration's own results quantitatively given the assumption that all narrow peaks in the power spectrum are a consequence of physically uninteresting signals and can be removed. After the clipping of these peaks and return to the time domain, the GW150914 event is readily distinguished from broadband background noise. This simple technique allows us to identify the GW150914 event without any assumption regarding its physical origin and with minimal assumptions regarding its shape. We also confirm that the LIGO GW150914 event is uniquely correlated in the Hanford and Livingston detectors for the full 4096 second data at the level of 6 - 7 sigma with a temporal displacement of T = 6.9 +/- 0.4 ms. We have also identified a few events that are morphologically close to GW150914 but less strongly cross correlated with it.
文章类型Article
关键词gravitational wave detectors gravitational waves / experiments
DOI10.1088/1475-7516/2016/08/029
语种英语
WOS记录号WOS:000389859100054
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260788
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Naselsky, P,Jackson, AD,Liu H,et al. Understanding the LIGO GW150914 event[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2016(8).
APA Naselsky, P,Jackson, AD,刘浩,&Liu, H.(2016).Understanding the LIGO GW150914 event.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(8).
MLA Naselsky, P,et al."Understanding the LIGO GW150914 event".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .8(2016).
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