Two knees and the Evasion of Greisen-Zatsepin-Kuz'min Cutoff in Cosmic Ray Spectrum -- Are Neutrinos the Tachyons?
Guang-Jiong Ni, Zhi-Qiang Shi
Abstract
The whole spectrum of high-energy cosmic ray (HECR) is, very likely, influenced by tachyonic neutrinos. Especially, the appearance of two knees can be fitted by the tachyon mass m(νe)=m(νμ) 0.51 eV/c2 as predicted by a minimal three - flavor model for tachyonic neutrino with one parameter δ=0.38 eV only. Then the evasion of GZK cutoff could be ascribed to Z0(W)-burst model together with the same mechanism for knees as well as a prediction of left-right polarization dependent lifetime asymmetry. A further conclusive experiment might be whether the protons of HECR detected on Earth are really right handed polarized?
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