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Sushant Raut
순수물리이론 연구단
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Texture zeros of low-energy Majorana neutrino mass matrix in 3+1 scheme

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Title
Texture zeros of low-energy Majorana neutrino mass matrix in 3+1 scheme
Author(s)
Debasish Borah; Monojit Ghosh; Shivani Gupta; Sushant K. Raut
Publication Date
2017-09
Journal
PHYSICAL REVIEW D, v.96, no.5, pp.055017 -
Publisher
American Physical Society
Abstract
In this work we revisit the zero textures in low energy Majorana neutrino mass matrix when the active neutrino sector is extended by a light sterile neutrino in the eV scale, i.e., the 3 + 1 scheme. In 3 + 1 scenario, the low energy neutrino mass matrix (m(v)) has ten independent elements. Thus in principle one can have minimum one-zero texture to maximum ten-zero texture. We summarize the previous results of one, two, three, and four-zero textures which already exist in the literature and present our new results on five-zero textures. In our analysis we find that among six possible five-zero textures, only one is allowed by the present data. We discuss possible theoretical model which can explain the origin of the allowed five-zero texture and discuss other possible implications of such a scenario. Our results also concludes that in 3 + 1 scheme, one cannot have more than five-zeros in m(v) © 2017 American Physical Society
URI
http://pr.ibs.re.kr/handle/8788114/3948
DOI
10.1103/PhysRevD.96.055017
ISSN
2470-0010
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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