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Neutrino telescopes as a probe of broken mu-tau symmetry
Xing ZZ(邢志忠); Xing, ZZ
2006
发表期刊PHYSICAL REVIEW D
卷号74期号:1页码:13009
通讯作者Xing, ZZ (reprint author), CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
文章类型Article
摘要It is known that neutrino oscillations may map phi(e)phi(mu)phi(tau)=120, the initial flavor ratios of ultrahigh-energy neutrino fluxes produced from a distant astrophysical source, into phi(D)(e)phi(D)(mu)phi(D)(tau)=1:1:1 at the detector of a neutrino telescope. We remark that this naive expectation is only valid in the mu-tau symmetry limit, in which two neutrino mixing angles satisfy theta(13)=0 and theta(23)=pi/4. Allowing for the slight breaking of mu-tau symmetry, we find phi(D)(e)phi(D)(mu)phi(D)(tau)=(1-2 Delta)(1+Delta)(1+Delta) with Delta characterizing the combined effect of theta(13)not equal 0 and theta(23)not equal pi/4. Current neutrino oscillation data indicate -0.1 less than or similar to Delta less than or similar to+0.1. We also look at the possibility to probe Delta by detecting the (nu) over bar (e) flux of E-(nu) over bare approximate to 6.3 PeV via the Glashow resonance channel (v) over bar (e)e -> W--> anything.
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.74.013009
收录类别SCI
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000239511800027
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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/311005/227880
专题理论物理室
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Xing ZZ,Xing, ZZ. Neutrino telescopes as a probe of broken mu-tau symmetry[J]. PHYSICAL REVIEW D,2006,74(1):13009.
APA 邢志忠,&Xing, ZZ.(2006).Neutrino telescopes as a probe of broken mu-tau symmetry.PHYSICAL REVIEW D,74(1),13009.
MLA 邢志忠,et al."Neutrino telescopes as a probe of broken mu-tau symmetry".PHYSICAL REVIEW D 74.1(2006):13009.
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