Neutrino electromagnetic properties
- University of Turin, INFN, Section of Turin (Italy)
- Moscow State University, Department of Theoretical Physics (Russian Federation)
The main goal of the paper is to give a short review on neutrino electromagnetic properties. In the introductory part of the paper a summary on what we really know about neutrinos is given: we discuss the basics of neutrino mass and mixing as well as the phenomenology of neutrino oscillations. This is important for the following discussion on neutrino electromagnetic properties that starts with a derivation of the neutrino electromagnetic vertex function in the most general form, that follows from the requirement of Lorentz invariance, for both the Dirac and Majorana cases. Then, the problem of the neutrino form factor definition and calculation within gauge models is considered. In particular, we discuss the neutrino electric charge form factor and charge radius, dipole magnetic and electric and anapole form factors. Available experimental constraints on neutrino electromagnetic properties are also discussed, and the recently obtained experimental limits on neutrino magnetic moments are reviewed. The most important neutrino electromagnetic processes involving a direct neutrino coupling with photons (such as neutrino radiative decay, neutrino Cherenkov radiation, spin light of neutrino and plasmon decay into neutrino-antineutrino pair in media) and neutrino resonant spin-flavor precession in a magnetic field are discussed at the end of the paper.
- OSTI ID:
- 21448976
- Journal Information:
- Physics of Atomic Nuclei, Vol. 72, Issue 12; Other Information: DOI: 10.1134/S1063778809120126; Copyright (c) 2009 Pleiades Publishing, Ltd.; ISSN 1063-7788
- Country of Publication:
- United States
- Language:
- English
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ANTINEUTRINOS
CHERENKOV RADIATION
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FORM FACTORS
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MAGNETIC FIELDS
MAGNETIC MOMENTS
NEUTRINO OSCILLATION
PHOTONS
RADIATIVE DECAY
REVIEWS
SPIN
VERTEX FUNCTIONS
ANGULAR MOMENTUM
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ELEMENTARY PARTICLES
FERMIONS
FUNCTIONS
INVARIANCE PRINCIPLES
LEPTONS
MASSLESS PARTICLES
MATHEMATICAL MODELS
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