Absorption of TeV Photons and $κ$-deformed Poincaré algebra

Details Absorption of TeV Photons and $κ$-deformed Poincaré algebra Absorption of TeV Photons and $κ$-deformed Poincaré algebra

2001-03-27

arxiv.org/abs/hep-th/0103227v4

Czech.J.Phys.51:1247-1253,2001

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, 9 pages. Amelino-Camelia joined the collaboration. We improved the analysis in many ways; in particular, we now find fu

Scientific paper

10.1023/A:1013345314348

We consider the process of collision between a hard photon and a soft photon producing an electron-positron pair, under the assumption that the kinematics be described according to the $\kappa$-deformation of the D=4 Poincar\'{e} algebra. We emphasize the relevance of this analysis for the understanding of the puzzling observations of multi-TeV photons from Markarian 501. We find a significant effect of the $\kappa$-deformation for processes above threshold, while, in agreement with a previous study, we find that there is no leading-order deformation of the threshold condition.

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