具有最大大气角和三最大太阳角的T2K指示模型
Model for T2K indication with maximal atmospheric angle and tri-maximal solar angle
摘要：
最近T2K给出了有利于大反应堆角度的暗示。大多数的模型，与三双峰混合在领先的顺序，不能重现这样一个大的混合角，因为他们预测的Cabibbo角的顺序的反应器角度的典型的修正。在这封信中，我们讨论的可能性，有大的反应堆角的T2K区域内的最大大气混合角和三极大太阳混合角，通过偏离三双极大。我们推导出了导致反应堆大倾角的中微子质量矩阵的结构，从而得出了最大大气角和三极大太阳角。结果表明，这种中微子质量矩阵结构可以出现在具有S4味对称性的模型中。
英文摘要：
Recently T2K gives hint in favor of large reactor angle. Most of the models, with tri-bimaximal mixing at the leading order, can not reproduce such a large mixing angle since they predict typically corrections for the reactor angle of the order of the Cabibbo angle. In this letter, we discuss the possibility to have large reactor angle within the T2K region with maximal atmospheric mixing angle and trimaximal solar mixing angle, through the deviation from tri-bimaximal. We derive the structure of neutrino mass matrix that leads to the large reactor angle leaving maximal atmospheric angle and trimaximal solar angle. It is shown that such a structure of neutrino mass matrix can arise in a model with S4 flavor symmetry.
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