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The Pair Production Spectrum from Photon-Photon Annihilation

M. Boettcher, R. Schlickeiser

astro-pharXiv:astro-ph/9703069

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.

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