Detectability of stochastic gravitational wave background from weakly hyperbolic encounters
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F24%3A00585713" target="_blank" >RIV/67985815:_____/24:00585713 - isvavai.cz</a>
Result on the web
<a href="https://hdl.handle.net/11104/0353907" target="_blank" >https://hdl.handle.net/11104/0353907</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1051/0004-6361/202348747" target="_blank" >10.1051/0004-6361/202348747</a>
Alternative languages
Result language
angličtina
Original language name
Detectability of stochastic gravitational wave background from weakly hyperbolic encounters
Original language description
We compute the stochastic gravitational wave (GW) background generated by black hole-black hole (BH-BH) hyperbolic encounters with eccentricities close to one and compare them with the respective sensitivity curves of planned GW detectors. We use the Keplerian potential to model the orbits of the encounters and the quadrupole formula to compute the emitted GWs. We take into account hyperbolic encounters that take place in clusters up to redshift 5 and with BH masses spanning from 5 M-circle dot to 55 M-circle dot. We assume the clusters to be virialized and study several cluster models with different mass and virial velocity, and finally obtain an accumulative result, displaying the background as an average. Using the maxima and minima of our accumulative result for each frequency, we provide analytical expressions for both optimistic and pessimistic scenarios. Our results suggest that the background from these encounters is likely to be detected by the third-generation detectors Cosmic explorer and Einstein telescope, while the tail section at lower frequencies intersects with DECIGO, making it a potential target source for both ground- and space-based future GW detectors.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10308 - Astronomy (including astrophysics,space science)
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Astronomy & Astrophysics
ISSN
0004-6361
e-ISSN
1432-0746
Volume of the periodical
684
Issue of the periodical within the volume
April
Country of publishing house
FR - FRANCE
Number of pages
8
Pages from-to
A17
UT code for WoS article
001198847900015
EID of the result in the Scopus database
2-s2.0-85189243097