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https://hdl.handle.net/2440/106890
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Type: | Journal article |
Title: | Search for intermediate mass black hole binaries in the first observing run of Advanced LIGO |
Author: | Abbott, B. Abbott, R. Abbott, T. Acernese, F. Ackley, K. Adams, C. Adams, T. Addesso, P. Adhikari, R. Adya, V. Affeldt, C. Afrough, M. Agarwal, B. Agatsuma, K. Aggarwal, N. Aguiar, O. Aiello, L. Ain, A. Allen, B. Allen, G. et al. |
Citation: | Physical Review D, 2017; 96(2):022001-1-022001-14 |
Publisher: | American Physical Society |
Issue Date: | 2017 |
ISSN: | 2470-0010 2470-0029 |
Statement of Responsibility: | B. P. Abbott, R. Abbott, T. D. Abbott … Won Kim … David J. Ottaway … Peter J. Veitch … et al. |
Abstract: | During their first observational run, the two Advanced LIGO detectors attained an unprecedented sensitivity, resulting in the first direct detections of gravitational-wave signals produced by stellar-mass binary black hole systems. This paper reports on an all-sky search for gravitational waves (GWs) from merging intermediate mass black hole binaries (IMBHBs). The combined results from two independent search techniques were used in this study: the first employs a matched-filter algorithm that uses a bank of filters covering the GW signal parameter space, while the second is a generic search for GW transients (bursts). No GWs from IMBHBs were detected; therefore, we constrain the rate of several classes of IMBHB mergers. The most stringent limit is obtained for black holes of individual mass 100 M⊙, with spins aligned with the binary orbital angular momentum. For such systems, the merger rate is constrained to be less than 0.93 Gpc−3 yr−1 in comoving units at the 90% confidence level, an improvement of nearly 2 orders of magnitude over previous upper limits. |
Rights: | © 2017 American Physical Society |
DOI: | 10.1103/PhysRevD.96.022001 |
Published version: | http://dx.doi.org/10.1103/physrevd.96.022001 |
Appears in Collections: | Aurora harvest 8 Physics publications |
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