Coulomb Phase Gluon Scattering at Strong Coupling
arXiv:0810.0028 · doi:10.1088/1126-6708/2009/06/029
Abstract
We calculate corrections to gluon scattering amplitudes in a Coulomb phase using gauge/string duality. The Coulomb phase considered is a maximal rank breaking of . This problem therefore has 3 scales involved: 1) the scale of the massive fields arising from the spontaneous breaking of the gauge group; 2) The scale of the scattering, characterized by the Mandelstam variables ; 3) The IR regulator . We find corrections in the hard scattering limit , and also find below threshold corrections with . We find that the corrections in the second case are finite, and so are IR regulator independent.
17+17 pages, 3 figures
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