This article is cited in 3 papers

High-energy scattering in extra dimensions

G. S. Vartanov^ab, D. I. Kazakov<sup>cb

a</sup> Moscow Institute of Physics and Technology
^b Joint Institute for Nuclear Research, Bogoliubov Laboratory of Theoretical Physics
^c Institute for Theoretical and Experimental Physics (Russian Federation State Scientific Center)

Abstract: We analyze the behavior of the high-energy scattering amplitude in the brane-world scenario in extra dimensions. We claim that in contrast to the popular opinion based on the Kaluza–Klein approach, the differential cross section does not increase with the energy but only changes slope near the compactification scale value and then decreases, as in the four-dimensional theory. As an example, we consider quark-antiquark scattering with a one-gluon exchange in the bulk.

Keywords: higher-dimensional theories, Kaluza–Klein approach, Wilson renormalization group, fixed point, effective theories.

Received: 25.05.2005
Revised: 10.08.2005

DOI: 10.4213/tmf2026

 English version: Theoretical and Mathematical Physics, 2006, 147:1, 533–540

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