Stochastic gravitational-wave background from stellar core-collapse events

Bella Finkel, Haakon Andresen, Vuk Mandic

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Abstract

We estimate the stochastic gravitational-wave background arising from all stellar core-collapse events in the universe based on the gravitational-wave signal predictions of recent numerical simulations. We focus on waveforms from slowly or nonrotating stars and include rapidly rotating, highly massive progenitors as extreme case limits. Our most realistic estimates are more than one hundred times below the sensitivity of third-generation terrestrial gravitational-wave detectors and likely weaker than cosmological contributions to the stochastic gravitational-wave background.

Original languageEnglish (US)
Article number063022
JournalPhysical Review D
Volume105
Issue number6
DOIs
StatePublished - Mar 15 2022

Bibliographical note

Funding Information:
V. M. would like to acknowledge the support of the NSF Grant No. PHY-2110238. B. F. would like to acknowledge the support of the NSF REU Grant No. 2049645. H. A. is supported by the Swedish Research Council (Project No. 2020-00452). The paper has been assigned designator LIGO-P2100353.

Publisher Copyright:
© 2022 American Physical Society.

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