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Absence of GZK Cutoff and Test of de Sitter Invariant Special Relativity

Chang Zhe1, Chen Shao-Xia1,2 and Huang Chao-Guang1

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The possibility that the absence of Greisen–Zatsepin–Kuz'min (GZK) cutoff is used to discriminate between de Sitter invariant special relativity (Script SScript Rc,R) and general relativity (Script GScript R) is studied. A careful investigation shows, unfortunately, that the phenomenon fails to distinguish Script SScript Rc,R from Script GScript R, at least, at classical level.


PACS

03.30.+p Special relativity

98.80.Es Observational cosmology (including Hubble constant, distance scale, cosmological constant, early Universe, etc)

Subjects

Gravitation and cosmology

Astrophysics and astroparticles

Dates

Issue 4 (April 2005)

Received 26 December 2004



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