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Third order post-Newtonian gravitational radiation from two-body scattering: Instantaneous energy and angular momentum radiation
Published 1 Nov 2021 in gr-qc | (2111.00818v3)
Abstract: We compute the third post-Newtonian (3PN) accurate instantaneous contributions to the radiated gravitational wave (GW) energy and angular momentum arising from the hyperbolic passages of non-spinning compact objects. The present computations employ 3PN-accurate instantaneous contributions to the far-zone energy and angular momentum fluxes and the 3PN-accurate Keplerian type parametric solution for compact binaries in hyperbolic orbits.
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