English

# Item

ITEM ACTIONSEXPORT

Released

Journal Article

#### Search for Gravitational Waves from the Coalescence of Subsolar-Mass Binaries in the First Half of Advanced LIGO and Virgo’s Third Observing Run

##### MPS-Authors
/persons/resource/persons214778

Nitz,  Alexander Harvey
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons260864

Wang,  Yi-Fan
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

##### External Resource
No external resources are shared
##### Fulltext (restricted access)
There are currently no full texts shared for your IP range.
##### Fulltext (public)

2106.08979.pdf
(Preprint), 554KB

PhysRevLett.127.151101.pdf
(Publisher version), 404KB

##### Supplementary Material (public)
There is no public supplementary material available
##### Citation

Nitz, A. H., & Wang, Y.-F. (2021). Search for Gravitational Waves from the Coalescence of Subsolar-Mass Binaries in the First Half of Advanced LIGO and Virgo’s Third Observing Run. Physical Review Letters, 127(15): 151101. doi:10.1103/PhysRevLett.127.151101.

Cite as: https://hdl.handle.net/21.11116/0000-0008-BBB5-9
##### Abstract
We present a search for gravitational waves from the coalescence of sub-solar
mass black hole binaries using data from the first half of Advanced LIGO and
Virgo's third observing run. The observation of a sub-solar mass black hole
merger is a clear indication of primordial origin; primordial black holes may
contribute to the dark matter distribution. We search for black hole mergers
where the primary mass is $0.1-7 M_{\odot}$ and the secondary mass is $0.1-1 M_{\odot}$. A variety of models predict the production and coalescence of
binaries containing primordial black holes; some involve dynamical assembly
which may allow for residual eccentricity to be observed. For component masses
$>0.5 M_{\odot}$, we also search for sources in eccentric orbits, measured at a
reference gravitational-wave frequency of 10 Hz, up to $e_{10}\sim 0.3$. We
find no convincing candidates and place new upper limits on the rate of
primordial black hole mergers. The merger rate of 0.5-0.5 (1.0-1.0)$M_{\odot}$
sources is $<7100~(1200)$ Gpc$^{-3}$yr$^{-1}$. Our limits are $\sim3-4\times$
more constraining than prior analyses. Finally, we demonstrate how our limits
can be used to constrain arbitrary models of the primordial black hole mass
distribution and merger rate.