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Majorana neutrino masses from neutrinoless double-beta decays and lepton-number-violating meson decays
Liu JH(刘峻豪); Zhang J(张珏); Zhou S(周顺); Liu, JH; Zhang, J; Zhou, S
2016
发表期刊PHYSICS LETTERS B
卷号760页码:571
通讯作者张珏
摘要The Schechter-Valle theorem states that a positive observation of neutrinoless double-beta (0 nu beta beta) decays implies a finite Majorana mass term for neutrinos when any unlikely fine-tuning or cancellation is absent. In this note, we reexamine the quantitative impact of the Schechter-Valle theorem, and find that current experimental lower limits on the half-lives of 0 nu beta beta-decaying nuclei have placed a restrictive upper bound on the Majorana neutrino mass vertical bar delta m(nu)(ee)vertical bar < 7.43 x10(-29) eV radiatively generated at the four-loop level. Furthermore, we generalize this quantitative analysis of 0 nu beta beta decays to that of the lepton-number-violating (LNV) meson decays M- -> M'(+) + l(alpha)(-) + l(beta)(-) (for alpha, beta = e or mu). Given the present upper limits on these rare LNV decays, we have derived the loop-induced Majorana neutrino masses vertical bar delta m(nu)(ee)vertical bar < 9.7 x 10(-18) eV, vertical bar delta m(nu)(e mu)vertical bar < 1.6 x 10(-15) eV and vertical bar delta m(nu)(mu mu)vertical bar < 1.0 x 10(-12) eV from K- -> pi(+) + e(-) + e(-), K- -> pi(+) + e(-) + mu(-) and K- -> pi(+) + mu(-) + mu(-), respectively. A partial list of radiative neutrino masses from the LNV decays of D, D-s and B mesons is also given. (C) 2016 The Author(s). Published by Elsevier B.V.
文章类型Article
DOI10.1016/j.physletb.2016.07.043
关键词[WOS]UPPER-BOUNDS ; DISINTEGRATION ; SEARCH
语种英语
WOS记录号WOS:000382890500086
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260660
专题理论物理室
作者单位中国科学院高能物理研究所
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Liu JH,Zhang J,Zhou S,et al. Majorana neutrino masses from neutrinoless double-beta decays and lepton-number-violating meson decays[J]. PHYSICS LETTERS B,2016,760:571.
APA 刘峻豪,张珏,周顺,Liu, JH,Zhang, J,&Zhou, S.(2016).Majorana neutrino masses from neutrinoless double-beta decays and lepton-number-violating meson decays.PHYSICS LETTERS B,760,571.
MLA 刘峻豪,et al."Majorana neutrino masses from neutrinoless double-beta decays and lepton-number-violating meson decays".PHYSICS LETTERS B 760(2016):571.
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