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Ultra-high energy cosmic rays threshold in Randers-Finsler space
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.
作 者： CHANG Zhe LI Xin 作者單位： Institute of High Energy Physics, Chinese Academy of Sciences, P. O. Box 9184, Beijing 100049, China 刊 名： 中國物理C（英文版） ISTIC 英文刊名： CHINESE PHYSICS C 年，卷(期)： 2009 33(8) 分類號： O4 關(guān)鍵詞： Randers-Finsler space GZK cut off【Ultra-high energy cosmic rays thresh】相關(guān)文章：
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