An interplay between static potential and Reggeon trajectory for QCD string |
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Authors: | Yuri Makeenko |
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Institution: | Institute of Theoretical and Experimental Physics, B. Cheremushkinskaya 25, 117218 Moscow, Russia |
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Abstract: | I consider two cases where QCD string is described by an effective theory of long strings: the static potential and meson scattering amplitudes in the Regge regime. I show how they can be solved in the mean-field approximation, justified by the large number of space–time dimensions, and argue that it turns out to be exact. I compare contributions from QCD string and perturbative QCD and discuss experimental consequences for the scattering amplitudes. |
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Keywords: | QCD string Lü scher term Meson scattering amplitude Mean field approximation Reggeon trajectory |
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