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.

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CHANG Zhe and LI Xin. Ultra-high energy cosmic rays threshold in Randers-Finsler space[J]. Chinese Physics C, 2009, 33(8): 626-628. doi: 10.1088/1674-1137/33/8/005
CHANG Zhe and LI Xin. Ultra-high energy cosmic rays threshold in Randers-Finsler space[J]. Chinese Physics C, 2009, 33(8): 626-628.  doi: 10.1088/1674-1137/33/8/005 shu
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Received: 2008-12-19
Revised: 2008-12-31
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Ultra-high energy cosmic rays threshold in Randers-Finsler space

    Corresponding author: LI Xin,

Abstract: 

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.

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