On the four-photon annihilation of the electron-positron pairsA.M. Frolov and D.M. Wardlaw
Department of Chemistry, University of Western Ontario, London, Ontario N6A 5B7, Canada
Received 9 May 2009 / Received in final form 20 August 2009 / Published online 31 October 2009
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.
36.10.Dr - Positronium.
78.70.Bj - Positron annihilation.
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag 2009