Testing Lorentz invariance with neutrinos from ultrahigh energy cosmic ray interactions

被引：13

作者：

Scully, Sean T. ^{[2
]}

Stecker, Floyd W. ^{[1
]}

机构：

[1] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[2] James Madison Univ, Dept Phys & Astron, Harrisonburg, VA 22807 USA

来源：

ASTROPARTICLE PHYSICS | 2011年 / 34卷 / 07期

关键词：

Cosmic rays; Neutrinos; Lorentz invariance; Quantum gravity; UNIVERSAL RADIATION-FIELD; GAMMA-RAYS; MAGNETIC-FIELDS; STAR-FORMATION; SPECTRUM; VIOLATION; DETECTOR; PHOTONS; HISTORY; MISSION;

D O I：

10.1016/j.astropartphys.2010.11.004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have previously shown that a very small amount of Lorentz invariance violation (LIV), which suppresses photomeson interactions of ultrahigh energy cosmic rays (UHECRs) with cosmic background radiation (CBR) photons, can produce a spectrum of cosmic rays that is consistent with that currently observed by the Pierre Auger Observatory (PAD) and HiRes experiments. Here, we calculate the corresponding flux of high energy neutrinos generated by the propagation of UHECR protons through the CBR in the presence of LIV. We find that LIV produces a reduction in the flux of the highest energy neutrinos and a reduction in the energy of the peak of the neutrino energy flux spectrum, both depending on the strength of the LIV. Thus, observations of the UHE neutrino spectrum provide a clear test for the existence and amount of LIV at the highest energies. We further discuss the ability of current and future proposed detectors make such observations. Published by Elsevier B.V.

引用

页码：575 / 580

页数：6

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