Phenomenological advantages of the normal neutrino mass ordering

作     者：Shao-Feng Ge Jing-yu Zhu 葛韶锋;朱景宇

作者机构：Tsung-Dao Lee InstituteShanghai Jiao Tong UniversityChina School of Physics and AstronomyShanghai Jiao Tong UniversityChina 

出 版 物：《Chinese Physics C》 (中国物理C（英文版）)

年 卷 期：2020年第44卷第8期

页      面：33-39页

核心收录：

学科分类：0709[理学-地质学] 07[理学] 0708[理学-地球物理学] 0804[工学-仪器科学与技术] 0827[工学-核科学与技术] 0703[理学-化学] 0704[理学-天文学] 070202[理学-粒子物理与原子核物理] 0702[理学-物理学] 

基　　金：supported by JSPS KAKENHI(JP18K13536) the Double First Class start-up fund(WF220442604)provided by Shanghai Jiao Tong University supported by the National Natural Science Foundation of China(11275101,11835005) 

主　　题：neutrino mass ordering higher solar octant neutrinoless double beta decay Majorana CP phases 

摘      要：The preference of the normal neutrino mass ordering from the recent cosmological constraint and the global fit of neutrino oscillation experiments does not seem like a wise choice at first glance since it obscures the neutrinoless double beta decay and hence the Majorana nature of *** to this naive expectation,we point out that the actual situation is the *** normal neutrino mass ordering opens the possibility of excluding the higher solar octant and simultaneously measuring the two Majorana CP phases in future 0ν2β***,the funnel region will completely disappear if the solar mixing angle takes the higher *** combined precision measurement by the JUNO and Daya Bay experiments can significantly reduce the uncertainty in excluding the higher *** a typical O(meV)sensitivity on the effective mass|mee|,the neutrinoless double beta decay experiment can tell if the funnel region really exists and hence exclude the higher solar *** the sensitivity further improved to sub-meV,the two Majorana CP phases can be simultaneously ***,the normal neutrino mass ordering clearly shows phenomenological advantages over the inverted one.