Ultra-high energy cosmic rays threshold in Randers-Finsler space

被引：0

作者：

常哲 ^{[1
]}

李昕 ^{[1
]}

机构：

[1] Institute of High Energy Physics, Chinese Academy of Sciences, P O Box 918(4)

来源：

中国物理C | 2009年 / 33卷 / 08期

关键词：

Randers-Finsler space; GZK; cut off;

D O I：

暂无

中图分类号：

O572.1 [宇宙线];

学科分类号：

摘要：

Kinematics in Finsler space is used to study the propagation of ultra high energy cosmic rays particles through the cosmic microwave background radiation. We find that the GZK threshold is lifted dramatically in Randers-Finsler space. A tiny deformation of spacetime from Minkowskian to Finslerian allows more ultra-high energy cosmic rays particles to arrive at the earth. It is suggested that the lower bound of particle mass is related with the negative second invariant speed in Randers-Finsler space.

引用

页码：626 / 628

页数：3

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