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Texture zeros for dirac neutrinos and current experimental tests
KTH, School of Engineering Sciences (SCI), Theoretical Physics.
2013 (English)In: International Journal of Modern Physics A, ISSN 0217-751X, E-ISSN 1793-656X, Vol. 28, no 12, 1350040- p.Article in journal (Refereed) Published
Abstract [en]

The Daya Bay and RENO reactor neutrino experiments have revealed that the smallest neutrino mixing angle is in fact relatively large, i.e. theta(13) approximate to 9 degrees. Motivated by this exciting progress, we perform a systematic study of the neutrino mass matrix M-nu with one or two texture zeros, in the assumption that neutrinos are Dirac particles. Among 15 possible patterns with two texture zeros, only three turn out to be favored by current neutrino oscillation data at the 3 sigma level. Although all the six patterns with one texture zero are compatible with the experimental data at the 3 sigma level, the parameter space of each pattern is strictly constrained. Phenomenological implications of M-nu on the leptonic CP violation and neutrino mass spectrum are explored, and the stability of texture zeros against the radiative corrections is also discussed.

Place, publisher, year, edition, pages
2013. Vol. 28, no 12, 1350040- p.
Keyword [en]
Texture zeros, neutrino masses and flavor mixing, CP violation
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-123619DOI: 10.1142/S0217751X13500401ISI: 000318536900007Scopus ID: 2-s2.0-84877337313OAI: oai:DiVA.org:kth-123619DiVA: diva2:629370
Funder
EU, FP7, Seventh Framework Programme, PITN-GA-2011-289442
Note

QC 20130617

Available from: 2013-06-17 Created: 2013-06-13 Last updated: 2017-12-06Bibliographically approved

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