Constraints on Neutrino Parameters by Neutrinoless Double Beta Decay Experiments

Details Constraints on Neutrino Parameters by Neutrinoless Double Beta Decay Experiments Constraints on Neutrino Parameters by Neutrinoless Double Beta Decay Experiments

2002-09-19

arxiv.org/abs/hep-ph/0209218v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 3 figures, iopart.cls. Invited talk at Beyond the Desert02, Oulu, Finland, 2-7 June 2002

Scientific paper

10.1016/S0375-9474(03)01114-X

Allowed regions on the m_l - cos{2\theta_{12}} plane are extracted from results of neutrinoless double beta decay experiments. It is shown that 0.05 eV (0 eV) < m_l < 1.85 eV is obtained for the normal (inverted) hierarchy by using the LMA best fit parameters and the 0\nu\beta\beta result announced late last year, which is 0.05 eV < _\beta\beta < 0.84 eV with +/- 50% uncertainty of the nuclear matrix elements.

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