Masses and mixings of Dirac neutrinos and the νμ ⇆ ντ symmetry

被引：0
|
作者：
Martinez-Ortega, J. [1 ]
Perez-Lorenzana, A. [1 ]
机构：
[1] Inst Politecn Nacl, Ctr Invest & Estudios Avanzados, Dept Fis, Mexico City 07000, DF, Mexico
来源：
PARTICLES AND FIELDS: XI MEXICAN WORKSHOP ON PARTICLES AND FIELDS | 2008年 / 1026卷
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D O I：
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中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Assuming that neutrinos are Dirac fields, we introduce a general parameterization for neutrino mass matrix to account for masses and mixings in the almost nu(mu) <-> nu(tau) symmetric limit. We produce general formulae for sin theta(13) and for the deviation of theta(23) from maximality. We observe finally that the contribution from the symmetry breaking due to charged lepton sector is very small in the minimally extended model.
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页码：287 / 290
页数：4
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