Eur. Phys. J. D 56, 7-16 (2010)
DOI: 10.1140/epjd/e2009-00263-9

On the four-photon annihilation of the electron-positron pairs

A.M. Frolov and D.M. Wardlaw

Department of Chemistry, University of Western Ontario, London, Ontario N6A 5B7, Canada

This email address is being protected from spambots. You need JavaScript enabled to view it.

Received 9 May 2009 / Received in final form 20 August 2009 / Published online 31 October 2009

Abstract
The four-photon annihilation of electron-positron pairs is considered. In our treatment the energies of the colliding particles can be arbitrary. We also discuss the lower-energy limit of the cross-section of three-photon annihilation of the (e^-, e⁺)-pair.

PACS
36.10.Dr - Positronium.
78.70.Bj - Positron annihilation.

© EDP Sciences, Società Italiana di Fisica, Springer-Verlag 2009