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Connecting leptonic unitarity triangle to neutrino oscillation

文献类型：期刊论文

作者He, Hong-Jian1,2,3,4; Xu, Xun-Jie1,2
刊名PHYSICAL REVIEW D
出版日期2014-04-01
卷号89
ISSN号1550-7998
DOI10.1103/PhysRevD.89.073002
文献子类Article
英文摘要The leptonic unitarity triangle (LUT) provides a geometric description of CP violations in the lepton-neutrino sector and is directly measurable in principle. In this paper, we reveal that the angles in the LUT have definite physical meaning, and demonstrate the exact connection of the LUT to neutrino oscillations. For the first time, we prove that these leptonic angles act as phase shifts in neutrino oscillations, by shifting Delta m(2)L/2E to Delta m(2)L/2E + alpha, where (L, E, alpha) denote the baseline length, neutrino energy and corresponding angle of the LUT. Each LUT has three independent parameters and contains only partial information of the Pontecorvo-Maki-Nakagawa-Sakata (PMNS) matrix. We demonstrate that the partial information in each LUT can describe the corresponding neutrino oscillation. Hence, for the first time, we uncover that any given kind of neutrino oscillations contains at most three (rather than four) independent degrees of freedom from the PMNS matrix, and this may provide a cleaner way for fitting the corresponding oscillation data.
WOS关键词CP-VIOLATION ; MATTER ; SPECTROSCOPY ; MATRICES ; QUARK ; MODEL ; MASS
语种英语
出版者AMER PHYSICAL SOC
WOS记录号WOS:000334312300002
源URL[http://119.78.100.186/handle/113462/49643]  
专题中国科学院近代物理研究所
通讯作者He, Hong-Jian
作者单位1.Tsinghua Univ, Inst Modern Phys, Beijing 100084, Peoples R China
2.Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China
3.Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
4.Chinese Acad Sci, Kavli Inst Theoret Phys, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 He, Hong-Jian,Xu, Xun-Jie. Connecting leptonic unitarity triangle to neutrino oscillation[J]. PHYSICAL REVIEW D,2014,89.
APA He, Hong-Jian,&Xu, Xun-Jie.(2014).Connecting leptonic unitarity triangle to neutrino oscillation.PHYSICAL REVIEW D,89.
MLA He, Hong-Jian,et al."Connecting leptonic unitarity triangle to neutrino oscillation".PHYSICAL REVIEW D 89(2014).

入库方式： OAI收割

来源：近代物理研究所

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