2011

Detector configuration of DECIGO/BBO and identification of cosmological neutron-star binaries

Yagi, Kent, Seto, Naoki

Understand

The primary target for the planned space-borne gravitational wave interferometers DECIGO/BBO is a primordial gravitational wave background (PGWB).

However there exist astrophysical foregrounds and among them, gravitational waves from neutron star (NS) binaries are the solid and strong component that must be identified and subtracted.
In this paper, we discuss the geometry of detector configurations preferable for identifying the NS/NS binary signals.
As a first step, we analytically estimate the minimum signal-to-noise ratios (SNRs) of the binaries for several static detector configurations that are characterized by adjustable geometrical parameters, and determine the optimal values for these parameters.

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