论文标题

在纹理中重新出现不变四重奏,零中微子质量矩阵和CP违规

Rephasing invariant quartets in texture zero neutrino mass matrix and CP violation

论文作者

Singh, Madan

论文摘要

在夸克行业中,jarlskog rephasing不变$ \ rm {j_ {cp}} $对CP违规以及夸克质量矩阵的相结构具有重要意义。实际上,该部门中所有违反该效果的CP均与$ \ rm {J_ {CP}} $的虚构部分的大小成正比。 随着观察到非零和相对较大的反应堆混合角$θ_{13} $,人们普遍认为,在Lepton部门可能会违反CP。中微子振荡的最新全球最佳拟合表明,在相对较大的置信度下,CP违规而不是CP保护。这些实验性观察有必要在低能能下重新对CP-ODD弱基础不变,并探索它们在纹理两个零中微子质量矩阵的情况下对CP违规的影响。

In the quark sector, Jarlskog rephasing invariant $\rm{J_{CP}}$ has important implications for the CP violation as well as phase structure of the quark mass matrices. In fact all CP violating effects in this sector are proportional to the magnitude of the imaginary part of $\rm{J_{CP}}$. With the observation of non-zero and relatively large reactor mixing angle $θ_{13}$, it is widely believed that CP might be violated in the lepton sector. The recent global best fits of neutrino oscillation indicates the preference of CP violation over CP conservation at relatively large confidence level. These experimental observations warrant to re-investigate the CP-odd weak basis invariants at low energies, and also explore their implications for CP violation in the context of texture two zero neutrino mass matrix.

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