TeV-photon paradox and space with SU(2) fuzziness

Details TeV-photon paradox and space with SU(2) fuzziness TeV-photon paradox and space with SU(2) fuzziness

2008-03-10

arxiv.org/abs/0803.1419v1

Europhys.Lett.81:40003,2008

Astronomy and Astrophysics

Astrophysics

11 pages, no fig., LaTeX

Scientific paper

10.1209/0295-5075/81/40003

The possibility is examined that a model based on space noncommutativity of linear type can explain why photons from distant sources with multi-TeV energies can reach earth. In particular within a model in which space coordinates satisfy the algebra of SU(2) Lie group, it is shown that there is the possibility that the pair production through the reaction of CMB and energetic photons would be forbidden kinematically.

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