LISA for cosmologists: Calculating the signal-to-noise ratio for stochastic and deterministic sources

We present the steps to forecast the sensitivity of the Laser Interferometer Space Antenna (LISA) to both a stochastic gravitational wave background and deterministic wave sources. We show how to use these expressions to estimate the precision with which LISA can determine parameters associated with...

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Vydané v:Physical review. D Ročník 100; číslo 10; s. 1
Hlavní autori: Smith, Tristan L., Caldwell, Robert R.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: College Park American Physical Society 26.11.2019
Predmet:
Background noise
Benchmarks
Draw ratio
Gravitation
Gravitational waves
LISA (antenna)
Mathematical analysis
Noise
Noise sensitivity
Signal to noise ratio
ISSN:2470-0010, 2470-0029
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Shrnutí:We present the steps to forecast the sensitivity of the Laser Interferometer Space Antenna (LISA) to both a stochastic gravitational wave background and deterministic wave sources. We show how to use these expressions to estimate the precision with which LISA can determine parameters associated with these sources. Tools are included to enable easy calculation of the signal-to-noise ratio and draw sensitivity curves. Benchmark values are given for easy comparison and checking of methods in the case of three worked examples. The first benchmark is the threshold stochastic gravitational wave background ΩGWh2 that LISA can observe. The second is the signal-to-noise ratio that LISA would observe for a binary black hole system identical to GW150914, radiating four years before merger. The third is the case of a monotone source, such as a binary that is far from merger.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 14
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.100.104055