Results 41 to 50 of about 59,601 (214)
Neutrino mixing and cosmology [PDF]
Nuclear Physics B - Proceedings Supplements, 2005 We review the consequences of neutrino mixing in the early universe. For both active-sterile mixing or mixing between three active neutrinos only, the consequences of oscillations depend crucially upon the size of the universe's lepton number (relic neutrino asymmetry.)
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The Nature of Massive Neutrinos
Advances in High Energy Physics, 2013 The compelling experimental evidences for oscillations of solar, reactor, atmospheric, and accelerator neutrinos imply the existence of 3-neutrino mixing in the weak charged lepton current.
S. T. Petcov
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Modelling tribimaximal neutrino mixing [PDF]
Physical Review D, 2009 We model tri-bimaximal lepton mixing from first principles in a way that avoids the problem of the vacuum alignment characteristic of such models. This is achieved by using a softly broken A4 symmetry realized with an isotriplet fermion, also triplet under A4. No scalar A4-triplet is introduced.
Hirsch, Martin +2 more
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Numerical estimate of minimal active-sterile neutrino mixing
EPJ Web of Conferences, 2018 Seesaw mechanism constrains from below mixing between active and sterile neutrinos for fixed sterile neutrino masses. Signal events associated with sterile neutrino decays inside a detector at fixed target experiment are suppressed by the mixing angle to
Krasnov Igor
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A neutrino mass-mixing sum rule from SO(10) and neutrinoless double beta decay
Journal of High Energy Physics, 2017 Minimal SO(10) grand unified models provide phenomenological predictions for neutrino mass patterns and mixing. These are the outcome of the interplay of several features, namely: i) the seesaw mechanism; ii) the presence of an intermediate scale where B-
F. Buccella +5 more
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Neutrino Observatories Can Characterize Cosmic Sources and Neutrino Properties [PDF]
, 2003 Neutrino telescopes that measure relative fluxes of ultrahigh-energy $\nu_{e}, \nu_{\mu}, \nu_{\tau}$ can give information about the location and characteristics of sources, about neutrino mixing, and can test for neutrino instability and for departures ...
Chris Quigg +17 more
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Journal of Physics G: Nuclear and Particle Physics, 1991 In the first part of these lectures the neutrino mixing hypothesis will be considered in detail. We will discuss the possible schemes of neutrino mixing and present the data of the recent experiments searching for effects due to nonvanishing neutrino masses and mixing angles.In the second part of these lectures the physics of solar neutrinos will be ...
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Mixed states for mixing neutrinos [PDF]
Physical Review D, 2018 Ici, nous discutons de la description des neutrinos de saveur produits ou détectés dans des processus qui impliquent plus d'un neutrino. Nous montrons que dans ces cas, les neutrinos de saveur ne peuvent pas être décrits séparément par des états purs, mais nécessitent une description de la matrice de densité. Nous considérons explicitement les exemples
Gabriel Cozzella, C. Giunti
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Present Status of Neutrino Mixing [PDF]
, 2001 A short review of the status of neutrino mixing and neutrino oscillations is given. The basics of neutrino mixing and oscillations is discussed. The latest evidences of neutrino oscillations obtained in the Super-Kamiokande and the SNO solar neutrino ...
B. Pontecorvo +22 more
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Democratic neutrino mixing reexamined
Physics Letters B, 2004 We reexamine the democratic neutrino mixing ansatz, in which the mass matrices of charged leptons and Majorana neutrinos arise respectively from the explicit breaking of S(3)_L x S(3)_R and S(3) flavor symmetries. It is shown that a democracy term in the neutrino sector can naturally allow the ansatz to fit the solar neutrino mixing angle _sun ...
Fritzsch, Harald, Xing, Zhi-Zhong
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