QED model of the radiation escape from the matter

T. Zalialiutdinov (1), D. Solovyev (1) and L. Labzowsky (1,2) ((1) V. A. Fock Institute of Physics, St. Petersburg State University, Petrodvorets, Oulianovskaya 1, 198504, St. Petersburg, Russia; (2) Petersburg Nuclear Physics Institute, 188300, Gatchina, St. Petersburg, Russia)

A simple model based on QED is presented for the estimation of contribution of the excited level few-photon decays to the radiation escape from the matter in the epoch of the cosmological hydrogen recombination. It is shown that apart from the widely studied two-photon decays, some specific 3-photon decays can contribute on the level of 0.1% accuracy, required by the recent astrophysical observations

Complete preprint ==> http://arxiv.org/abs/1204.2369

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