Search for gravitational waves from primordial black hole binary coalescences in the galactic halo

B. Abbott, C.A. Cantley, LIGO Scientific Collaboration

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

We use data from the second science run of the LIGO gravitational-wave detectors to search for the gravitational waves from primordial black hole binary coalescence with component masses in the range 0.2–1.0M⊙. The analysis requires a signal to be found in the data from both LIGO observatories, according to a set of coincidence criteria. No inspiral signals were found. Assuming a spherical halo with core radius 5 kpc extending to 50 kpc containing nonspinning black holes with masses in the range 0.2–1.0M⊙, we place an observational upper limit on the rate of primordial black hole coalescence of 63 per year per Milky Way halo (MWH) with 90% confidence.
LanguageEnglish
Article number082002
Number of pages8
JournalPhysical Review D
Volume72
Issue number8
DOIs
Publication statusPublished - 15 Oct 2005

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galactic halos
gravitational waves
coalescing
LIGO (observatory)
halos
confidence
radii
detectors

Keywords

  • black hole binaries
  • gravitational waves
  • LIGO

Cite this

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Search for gravitational waves from primordial black hole binary coalescences in the galactic halo. / Abbott, B.; Cantley, C.A.; LIGO Scientific Collaboration.

In: Physical Review D, Vol. 72, No. 8, 082002, 15.10.2005.

Research output: Contribution to journalArticle

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T1 - Search for gravitational waves from primordial black hole binary coalescences in the galactic halo

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AU - Cantley, C.A.

AU - LIGO Scientific Collaboration

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AB - We use data from the second science run of the LIGO gravitational-wave detectors to search for the gravitational waves from primordial black hole binary coalescence with component masses in the range 0.2–1.0M⊙. The analysis requires a signal to be found in the data from both LIGO observatories, according to a set of coincidence criteria. No inspiral signals were found. Assuming a spherical halo with core radius 5 kpc extending to 50 kpc containing nonspinning black holes with masses in the range 0.2–1.0M⊙, we place an observational upper limit on the rate of primordial black hole coalescence of 63 per year per Milky Way halo (MWH) with 90% confidence.

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