Neutrino masses and flavor mixing in the Extended Double Seesaw Model with two texture zeros

Hu, Li-Jun; Dulat, Sayipjamal; Ablat, Abduleziz

doi:10.1140/epjc/s10052-011-1772-5

Neutrino masses and flavor mixing in the Extended Double Seesaw Model with two texture zeros

Li-Jun Hu
(
- Beijing Normal U. and
- Xinjiang U.
)
,
Sayipjamal Dulat
(
- Xinjiang U.
)
,
Abduleziz Ablat
(
- Xinjiang U. and
- Beijing, Inst. High Energy Phys.
)

2011

8 pages

Published in:

Eur.Phys.J.C 71 (2011) 1772

DOI:

10.1140/epjc/s10052-011-1772-5

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Abstract: (Springer)

We study the light neutrino mass matrix in the Extended Double Seesaw Model (EDSM), and as a result we get its general form. Also we demonstrate that conventional type-I and double seesaw mechanisms can be regarded as two special cases. We analyze the structure of the 9Oe9 neutrino mass matrix in this scenario, and surprisingly we find that EDSM will degenerate to a conventional type-I seesaw mechanism when holds exactly. Considering two simple ansaetze in two texture zeros for its 3Oe3 submatrices , we calculate the neutrino masses and flavor mixing angles, in which the (13) is a nonzero large angle.

neutrino: mass
mixing angle
neutrino: mixing
seesaw model
texture: 0

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