Digging deeper: Observing primordial gravitational waves below the binary-black-hole-produced stochastic background

Regimbau, T., Evans, M., Christensen, N., Katsavounidis, E., Sathyaprakash, Bangalore ORCID: https://orcid.org/0000-0003-3845-7586 and Vitale, S. 2017. Digging deeper: Observing primordial gravitational waves below the binary-black-hole-produced stochastic background. Physical Review Letters 118 (15) , 151105. 10.1103/PhysRevLett.118.151105

Preview

PDF - Published Version Download (417kB) | Preview

Abstract

The merger rate of black hole binaries inferred from the detections in the first Advanced LIGO science run implies that a stochastic background produced by a cosmological population of mergers will likely mask the primordial gravitational wave background. Here we demonstrate that the next generation of ground-based detectors, such as the Einstein Telescope and Cosmic Explorer, will be able to observe binary black hole mergers throughout the Universe with sufficient efficiency that the confusion background can potentially be subtracted to observe the primordial background at the level of ΩGW≃10−13 after 5 years of observation.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy Q Science > QC Physics
Publisher:	American Physical Society
ISSN:	0031-9007
Date of First Compliant Deposit:	17 July 2017
Date of Acceptance:	14 April 2017
Last Modified:	04 May 2023 21:55
URI:	https://orca.cardiff.ac.uk/id/eprint/102512

Citation Data

Cited 104 times in Scopus. View in Scopus. Powered By Scopus® Data

Actions (repository staff only)

Edit Item