Journal
PHYSICAL REVIEW D
Volume 85, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.85.047701
Keywords
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Funding
- Research Executive Agency of the European Union [PITN-GA-2010-264564]
- Polish Ministry of Science [N N202 064936]
- National Science Center
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Recently, it has been shown that one of the basic parameters of the neutrino sector, the so-called theta(13) angle is very small but quite probably nonzero. We argue that the small value of theta(13) can still be reproduced easily by a wide spectrum of randomly generated models of neutrino masses. For that we consider real and complex neutrino mass matrices, also including sterile neutrinos. A qualitative difference between results for real and complex mass matrices in the region of small theta(13) values is observed. We show that statistically the present experimental data prefers random models of neutrino masses with sterile neutrinos.
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