Neutrino electromagnetic properties

2008/12/31 by C. Giunti, Carlo Giunti, Alexander Studenikin · 126 citations
Physics and Astronomy · #Astrophysics and Cosmic Phenomena #Electron #Lepton #Measurements of neutrino speed #Neutrino #Neutrino Physics Research #Neutrino oscillation #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Physics #Solar neutrino #hep-ex #hep-ph

paper · pdf · doi:10.1134/s1063778809120126

published in Physics of Atomic Nuclei 72(12), 2089-2125 (Pleiades Publishing) · 59 pages in Latex, 22 figures, final version

openalex publication_date 2009/12/01 · arxiv created 2010/04/12 · arxiv updated 2015/03/13 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06

Abstract

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.

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Cited by

• Neutrino-atom collisions
• New limits on neutrino magnetic moment through nonvanishing 13-mixing