The Pair Production Spectrum from Photon-Photon Annihilation

Abstract

We present the first completely analytical computation of the full differential γ-γpair production rate from compact radiation fields, exact to 2nd order QED, and use this result to investigate the validity of previously known approximations.

arXiv comment6 pages, LaTeX, uses epsf.sty, rotate.sty; submitted to Astronomy & Astrophysics

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