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A model for pseudo-Dirac neutrinos: leptogenesis and ultra-high energy neutrinos

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Title
A model for pseudo-Dirac neutrinos: leptogenesis and ultra-high energy neutrinos
Author(s)
Ahn Y.H.; Kang S.K.; Kim C.S.
Publication Date
2016-10
Journal
JOURNAL OF HIGH ENERGY PHYSICS, v.2016, no.10, pp.092 -
Publisher
SPRINGER
Abstract
We propose a model where sterile neutrinos are introduced to make light neutrinos to be pseudo-Dirac particles. It is shown how tiny mass splitting necessary for realizing pseudo-Dirac neutrinos can be achieved. Within the model, we show how leptogenesis can be successfully generated. Motivated by the recent observation of very high energy neutrino events at IceCube, we study a possibility to observe the effects of the pseudo-Dirac property of neutrinos by performing astronomical-scale baseline experiments to uncover the oscillation effects of very tiny mass splitting. We also discuss future prospect to observe the effects of the pseudo-Dirac property of neutrinos at high energy neutrino experiments. © 2016, The Author(s)
URI
http://pr.ibs.re.kr/handle/8788114/3042
ISSN
1029-8479
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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