e-ISSN: Pending
Negative / Null Result ReportOpen accessPhysics

The hunt for sub-solar primordial black holes in low mass ratio binaries is open

Khun Sang Phukon; Gregory Baltus; Sarah Caudill; Sebastien Clesse; Antoine Depasse; Maxime Fays; Heather Fong; Shasvath J. Kapadia · 2021 · arXiv

WASTE classifies this as Negative / Null Result Report · AI classification, approximate

The study found no significant effect — useful as a negative control or null benchmark for your own design.

Abstract (excerpt)

We perform a search for binary black hole mergers with one subsolar mass black hole and a primary component above $2 M_\odot$ in the second observing run of LIGO/Virgo. Our analysis therefore extends previous searches into a mass region motivated by the presence of a peak in any broad mass distribution of primordial black holes (PBHs) around $[2-3] M_\odot$ coming from the equation of state reduction at the QCD transition. Four candidate events are found passing a false alarm rate (FAR) threshold of 2 per year, although none are statistically significant enough for being clear detections. We f

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Metadata source: arXiv