| Issue |
Europhys. Lett.
Volume 49, Number 2, January II 2000
|
|
|---|---|---|
| Page(s) | 262 - 268 | |
| Section | Geophysics, astronomy, and astrophysics | |
| DOI | https://doi.org/10.1209/epl/i2000-00143-x | |
| Published online | 01 September 2002 | |
Remarks on neutrino mass and magnetic moment
The Mehta Research Institute - Chhatnag Road, Jhusi, Allahabad-211019, India
Received:
13
April
1999
Accepted:
11
November
1999
A neutrino magnetic moment of the order of 
and a naturally small mass
within the framework of the modified Zee model have been calculated. These values are
consistent with the observed ones. A model for Majorana neutrinos with a Voloshin-type
SU(2) horizontal symmetry that protects the masses but not magnetic moments has been
constructed. This symmetry is broken only by terms of order 
resulting in masses which are naturally small
of the order of eV. The difference between the electron and muon lepton numbers is
conserved so that rare processes like 
, 
and neutrinoless
double-beta decays are forbidden.
PACS: 95.85.Ry – Neutrino, muon, pion, and other elementary particles; cosmic rays / 96.60.Jw – Solar interior / 97.60.Bw – Supernovae
© EDP Sciences, 2000
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