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- W2620007956 abstract "We show how gravitational-wave observations with advanced detectors of tens to several tens of neutron-star binaries can measure the neutron-star radius with an accuracy of several to a few percent, for mass and spatial distributions that are realistic, and with none of the sources located within 100 Mpc. We achieve such an accuracy by combining measurements of the total mass from the inspiral phase with those of the compactness from the postmerger oscillation frequencies. For estimating the measurement errors of these frequencies we utilize analytical fits to postmerger numerical-relativity waveforms in the time domain, obtained here for the first time, for four nuclear-physics equations of state and a couple of values for the mass. We further exploit quasi-universal relations to derive errors in compactness from those frequencies. Measuring the average radius to well within 10% is possible for a sample of 100 binaries distributed uniformly in volume between 100 and 300 Mpc, so long as the equation of state is not too soft or the binaries are not too heavy." @default.
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- W2620007956 date "2018-01-16" @default.
- W2620007956 modified "2023-10-18" @default.
- W2620007956 title "Neutron-Star Radius from a Population of Binary Neutron Star Mergers" @default.
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- W2620007956 doi "https://doi.org/10.1103/physrevlett.120.031102" @default.
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