CP violation in neutrino oscillation and leptogenesis -: art. no. 231601

被引：144

作者：

Endoh, T ^{[1
]}

Kaneko, S

Kang, SK

Morozumi, T

Tanimoto, M

机构：

[1] Hiroshima Univ, Grad Sch Sci, Higashihiroshima 7398526, Japan

[2] Niigata Univ, Dept Phys, Niigata 9502181, Japan

[3] Seoul Natl Univ, Dept Phys, Seoul 151747, South Korea

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.89.231601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the correlation between CP violation in neutrino oscillations and leptogenesis in the framework with two heavy Majorana neutrinos and three light neutrinos. Among three unremovable CP phases, a heavy Majorana phase contributes to leptogenesis. We show how the heavy Majorana phase contributes to Jarlskog determinant J as well as neutrinoless double beta decay by identifying a low energy CP-violating phase which signals the CP-violating phase for leptogenesis. For some specific cases of the Dirac mass term of neutrinos, a direct relation between lepton number asymmetry and J is obtained. We also study the effect coming from the phases which are not related to leptogenesis.

引用

页数：4

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