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Implications of leptonic unitarity violation at neutrino telescopes
Xing ZZ(邢志忠); Zhou S(周顺); Xing, ZZ; Zhou, S
2008
发表期刊PHYSICS LETTERS B
卷号666期号:2页码:#REF!
通讯作者Zhou, S (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
摘要A measurement of the ultrahigh-energy (UHE) cosmic neutrinos at a km(3)-size neutrino telescope will open a new window to constrain the 3 x 3 neutrino mixing matrix V and probe possible new physics. We point out that it is in principle possible to examine the non-unitarity of V, which is naturally expected in a class of seesaw models with one or more TeV-scale Majorana neutrinos, by using neutrino telescopes. Considering the UHE neutrinos produced from the decays of charged pions arising from pp and (or) p gamma collisions at a distant astrophysical source, we show that their flavor ratios at a terrestrial neutrino telescope may deviate from the democratic flavor distribution phi(T)(e):phi(T)(mu):phi(T)(tau) = 1:1:1 due to the seesaw-induced unitarity violation of V. Its effect can be as large as several percent and can serve for an illustration of how sensitive a neutrino telescope should be to this kind of new physics. (C) 2008 Elsevier B.V. All rights reserved.
文章类型Article
学科领域Physics
DOI10.1016/j.physletb.2008.07.011
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000258907600011
引用统计
被引频次:46[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/311005/226623
专题理论物理室
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GB/T 7714
Xing ZZ,Zhou S,Xing, ZZ,et al. Implications of leptonic unitarity violation at neutrino telescopes[J]. PHYSICS LETTERS B,2008,666(2):#REF!.
APA 邢志忠,周顺,Xing, ZZ,&Zhou, S.(2008).Implications of leptonic unitarity violation at neutrino telescopes.PHYSICS LETTERS B,666(2),#REF!.
MLA 邢志忠,et al."Implications of leptonic unitarity violation at neutrino telescopes".PHYSICS LETTERS B 666.2(2008):#REF!.
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