PeV cosmic rays: a window on the leptonic era?

被引：36

作者：

Wigmans, R ^{[1
]}

机构：

[1] Texas Tech Univ, Dept Phys, Lubbock, TX 79409 USA

来源：

ASTROPARTICLE PHYSICS | 2003年 / 19卷 / 03期

关键词：

cosmic rays; knee; relic neutrinos; neutrino mass;

D O I：

10.1016/S0927-6505(02)00242-6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

It is shown that a variety of characteristic features of the high-energy hadronic cosmic-ray spectra, in particular the abrupt changes in the spectral index that occur around 3 and 300 PeV, as well as the corresponding changes in elemental composition that are evident from kinks in the (X-max) distribution, can be explained in great detail from interactions with relic Big Bang antineutrinos, provided that the latter have a rest mass of similar to0.5 eV/c(2). (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：379 / 392

页数：14

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