منابع مشابه
Four Puzzles of Neutrino Mixing
There are four puzzling questions about by the magnitudes of neutrino mixings and mass splittings. A brief sketch is given of the various kinds of models of neutrino masses and how they answer these questions. Special attention is given to so-called “lopsided” models. 1 Comparison of Quarks and Leptons Over the last three decades theorists have been trying to understand the spectrum of quark an...
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We develop a framework and unified, compact notation to include neutrino direct interaction effects with neutrino oscillations for a wide class of low– energy, effective four-Fermi interactions. Modest flavor–violating interaction strengths can make significant changes in the boundaries in ∆M ↔ sin2θ and in tanθ13 ↔ tanθ23 parameter space. We draw examples from the L−R symmetric and MSSM+R/ mod...
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We suggest that recent neutrino puzzles that are the solar and atmospheric neutrino deficits as well as the possible neutrino oscillations reported by the LSND experiment and the possibility of massive neutrinos providing the hot component of the cosmological dark matter, can all be naturally explained by assuming existence of a mirror world described by an “electroweak” gauge symmetry [SU(2) ×...
متن کاملNeutrino Properties
Thanks to very strong evidence that neutrinos oscillate [1], we now know that they almost certainly have masses and mix. That neutrinos have masses means that there is some spectrum of three or more neutrino mass eigenstates, ν1, ν2, ν3, . . ., which are the neutrino analogues of the charged-lepton mass eigenstates, e, μ, and τ . That neutrinos mix means that the weak interaction couples a give...
متن کاملNeutrino Intrinsic Properties: The Neutrino-Antineutrino Relation
Are neutrinos their own antiparticles? We explain why they very well might be. Then, after highlighting the fact that, to determine experimentally whether they are or not, one must overcome the smallness of neutrino masses, we discuss the one approach that nevertheless shows great promise. Finally, we turn to the consequences of neutrinos being their own antiparticles. These consequences includ...
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ژورنال
عنوان ژورنال: Nuclear Physics A
سال: 1991
ISSN: 0375-9474
DOI: 10.1016/0375-9474(91)90119-q