Browsing by Author "Mateev, Matey D."

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    A comment on the measurement of neutrino masses in beta-decay experiments
    (2006-05-11T10:49:55Z) Bilenky, Samoil M.; Mateev, Matey D.; Petcov, Serguey T.; Physics; Elementary Particle Theory
    We discuss the physics potential of future tritium beta-decay experiments having a sensitivity to a neutrino mass ~\sqrt{|\Delta m^{2}_{23}|}~5x10^{-2} eV. The case of three-neutrino mixing is analised. A negative result of such an experiment would imply that the neutrino mass spectrum is of normal hierarchical type. The interpretation of a positive result would depend on the value of the lightest neutrino mass; if the lightest neutrino mass satisfies the inequality min(m_j) << \sqrt{|\Delta m^{2}_{23}|}, it would imply that the neutrino mass spectrum is of the inverted hierarchical type.