The clustering of massive Primordial Black Holes as Dark Matter: measuring their mass distribution with Advanced LIGO

By S. Clesse, Juan García-Bellido. 2016

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The recent detection by Advanced LIGO of gravitational waves (GW) from the merging of a binary black hole system sets new limits on the merging rates of massive primordial black holes (PBH) that could be a significant fraction or even the totality of the dark matter in the Universe. aLIGO opens the way to the determination of the distribution and clustering of such massive PBH. If PBH clusters have a similar density to the one observed in ultra-faint dwarf galaxies, we find merging rates comparable to aLIGO expectations. Massive PBH dark matter predicts the existence of thousands of those dwarf galaxies where star formation is unlikely because of gas accretion onto PBH, which would possibly provide a solution to the missing satellite and too-big-to-fail problems. Finally, we study the possibility of using aLIGO and future GW antennas to measure the abundance and mass distribution of PBH in the range [5 - 200] Msun to 10\% accuracy.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/8095b7c3b1cfca148fe02aacbe9c6075adfb9d95

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Citations in the corpus

Primordial black holes as generators of cosmic structures (2018, methodology): “This point has also been emphasized by Clesse & Garcia-Bellido (2017b).”
Gravitational waves at interferometer scales and primordial black holes in axion inflation (2016, background): “Note that the broad peak in the spectrum of fluctuations is responsible also for a clustering of PBHs upon reentry, which explains the rapid growth in mass and the enhanced rate of events [48] with respect to the stellar black holes of similar mass.”
Massive Primordial Black Holes as Dark Matter and their detection with Gravitational Waves (2017, background): “They range from early to late epochs of the evolution of the Universe, with different probes (electromagnetic and gravitational waves) and different frequencies (from nHz to GHz and from meV to tens of GeV).”
Binary Black Hole Population Properties Inferred from the First and Second Observing Runs of Advanced LIGO and Advanced Virgo (2018, background): “…in the early universe(Carr & Hawking 1974; Bird et al. 2016; Carr et al. 2016; Inayoshi et al. 2016; Sasaki et al. 2016; Ali-Haïmoud et al. 2017; Clesse & García-Bellido 2017; Inomata et al. 2017; Ando et al. 2018; Chen & Huang 2018), where their mass spectrum is typically proposed as having…”
Science with the space-based interferometer LISA. IV: probing inflation with gravitational waves (2016, background): “In the near future we may be able to measure the broad PBH mass distribution with ground and space interferometers [155, 157].”
Generating PBHs and small-scale GWs in two-field models of inflation (2020, background): “[3–5] though the spectral index of this configuration is significantly lower than the present 95% bounds from Planck.”
Steepest growth of the power spectrum and primordial black holes (2018, background): “This was largely sparked by the question posed in [1] (see also [2, 3]) — whether the order ten solar mass black holes observed by LIGO [4] could be primordial.”