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- Title
The Neutrino Mass Problem: From Double Beta Decay to Cosmology †.
- Authors
Civitarese, Osvaldo
- Abstract
The neutrino is perhaps the most elusive member of the particle zoo. The questions about its nature, namely: Dirac or Majorana, the value of its mass and the interactions with other particles, the number of its components including sterile species, are long standing ones and still remain to a large extent without conclusive answers. From the side of the nuclear structure and nuclear reactions, both theories and experiments, the need to elucidate these questions has, and still has, prompt crucial developments in the fields of double beta decay, double charge exchange and neutrino induced reactions. The measurements of neutrino flavor oscillation parameters contribute largely to restrict models with massless neutrinos. From the particle physics side, the possibilities to extend the standard model of electroweak interactions to incorporate a right-handed sector of the electroweak Lagrangian are directly linked to the adopted neutrino model. Here, I would like to address another aspect of the problem by asking the question of the neutrino mass mechanism in the cosmological context, and particularly about dark matter.
- Subjects
DOUBLE beta decay; NEUTRINO mass; NEUTRINOLESS double beta decay; NEUTRINOS; NEUTRINO interactions; NUCLEAR reactions; PARTICLE physics
- Publication
Universe (2218-1997), 2023, Vol 9, Issue 6, p275
- ISSN
2218-1997
- Publication type
Article
- DOI
10.3390/universe9060275