Propagation of ultrahigh-energy neutrinos through the earth

被引：3
|
作者：
Horvat, R [1 ]
机构：
[1] Rudjer Boskovic Inst, Zagreb 10001, Croatia
来源：
PHYSICS LETTERS B | 2000年 / 480卷 / 1-2期
关键词：
D O I：
10.1016/S0370-2693(00)00376-2
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The dispersion relation in matter of ultrahigh-energy neutrinos above the pole of the W resonance (E-nu greater than or similar to 10(7) GeV), is studied. We perform our calculation using the real-time formulation of Thermal Field Theory in which the massless limit for the W boson is taken. The range of active-to-sterile neutrino oscillation parameters for which there is significant mixing enhancement during propagation through the interior of the Earth, and therefore significant attenuation of neutrino beams in the Earth at high energies, is estimated. Finally, this range is considered in view of the cosmological and astrophysical constraints. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：135 / 139
页数：5
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