Neutrino self-energy operator in plasmas at ultrahigh energies

Kuznetsov, A. V.; Mikheev, N. V.; Shitova, A. M.
November 2013
Physics of Atomic Nuclei;Nov2013, Vol. 76 Issue 11, p1359
Academic Journal
A general expression for the neutrino self-energy operator in plasmas was obtained in the limit of ultrahigh energies. Quantitative estimations were performed for the boundaries of the region kinematically allowed for the “neutrino-spin-light” process. An analysis of the additional neutrino energy in plasmas revealed that, in the cases where neutrino spin light was kinematically allowed, the processes $$\bar v_e + e^ - \to W^ -$$ and $$\bar v_\ell + v_\ell \to Z$$ would be dominant.


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