Third post-Newtonian gravitational radiation from two-body scattering. II. Hereditary energy radiation

Abstract

We compute the hereditary part of the third post-Newtonian accurate gravitational energy radiation from hyperbolic scatterings (and parabolic scatterings) of nonspinning compact objects. We employ large angular momentum ($j$) expansion, and compute it to the relative $1/{j}^{11}$ order (so the first 12 terms). For the parabolic scattering case, the exact solution is computed. At the end, the completely collected expression of the energy radiation up to the third post-Newtonian and from $1/{j}^{3}$ to $1/{j}^{15}$ order, is presented including the instantaneous contribution.

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