The effects of a very small explicit breaking of a continuous global symmetry advocated in elegant and phenomenologically successful models for the 17 keV neutrino are discussed. It is shown that these effects are substantial, even if the explicit breaking terms are suppressed by powers of a scale as large as the Planck mass.
GLOBAL CONTINUOUS SYMMETRY AND THE 17 KEV NEUTRINO / D., Grasso; Lusignoli, Maurizio; M., Roncadelli. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 288:1-2(1992), pp. 140-144. [10.1016/0370-2693(92)91967-e]
GLOBAL CONTINUOUS SYMMETRY AND THE 17 KEV NEUTRINO
LUSIGNOLI, Maurizio;
1992
Abstract
The effects of a very small explicit breaking of a continuous global symmetry advocated in elegant and phenomenologically successful models for the 17 keV neutrino are discussed. It is shown that these effects are substantial, even if the explicit breaking terms are suppressed by powers of a scale as large as the Planck mass.File allegati a questo prodotto
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