Test of Lorentz invariance through observation of the longitudinal development of ultrahigh-energy extensive air showers

被引：22

作者：

Antonov, EE ^{[1
]}

Dedenko, LG

Kirillov, AA

Roganova, TM

Fedorova, GF

Fedunin, EY

机构：

[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119899, Russia

[2] Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow 119899, Russia

来源：

JETP LETTERS | 2001年 / 73卷 / 09期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1134/1.1385654

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An idea that Lorentz invariance can be violated was proposed by Coleman and Glashow to overcome the astrophysical problems of air showers of ultrahigh energies E > 10(20) eV. This statement can be tested by analyzing experimental data on these showers. The longitudinal development of showers and the distribution of the depths of shower maxima were calculated in the model of quark-gluon strings with allowance made for the Landau-Pomeranchuk-Migdal effect and the interactions of ultrahigh-energy neutral pions. Comparison of the calculations with available experimental data provides a new bound \c(gamma) - c(pi degrees)\ < 10(-20) for the possible difference between the speeds of photons and neutral pions. This bound becomes \c(gamma) - c(pi degrees)\ < 10(-22) when one takes the upper limiting value for the observed depth of maximum. (C) 2001 MAIK "Nauka/Interperiodica".

引用

页码：446 / 450

页数：5

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