Neutrino propagation in matter with general interactions

Sven Bergmann, Yuval Grossman, Enrico Nardi

Research output: Contribution to journalArticlepeer-review

81 Scopus citations

Abstract

We present a general analysis of the effective potential for neutrino propagation in matter, assuming a generic set of Lorentz invariant non-derivative interactions. We find that in addition to the known vector and axial vector terms, in a polarized medium also tensor interactions can play an important role. We compute the effective potential arising from a tensor interaction. We show that the components of the tensor potential transverse to the direction of the neutrino propagation can induce a neutrino spin flip, similar to the one induced by a transverse magnetic field.

Original languageEnglish
Article number093008
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume60
Issue number9
DOIs
StatePublished - 1999
Externally publishedYes

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