CKM matrix and flavor symmetries

被引：30

作者：

Araki, Takeshi ^{[1
]}

Ishida, Hiroyuki ^{[2
]}

Ishimori, Hajime ^{[3
]}

Kobayashi, Tatsuo ^{[3
]}

Ogasahara, Atsushi ^{[3
]}

机构：

[1] Kyoto Sangyo Univ, Maskawa Inst, Kyoto 6038555, Japan

[2] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan

[3] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan

来源：

PHYSICAL REVIEW D | 2013年 / 88卷 / 09期

关键词：

D O I：

10.1103/PhysRevD.88.096002

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Following the way proposed recently by Hernandez and Smirnov, we seek possible residual symmetries in the quark sector with a focus on the von Dyck groups. We begin with two extreme cases in which both theta(13) and theta(23) or only theta(13) are set to zero. Then, cases where all the Cabibbo-Kobayashi-Maskawa parameters are allowed to take nonzero values are explored. The Z(7) symmetry is favorable to realize only the Cabibbo angle. On the other hand, larger groups are necessary in order to be consistent with all the mixing parameters. Possibilities of embedding the obtained residual symmetries into the Delta(6N(2)) series are also briefly discussed.

引用

页数：7

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