Deep inelastic scattering from gauge string duality in D3-D7 brane model

Abstract

We calculate deep inelastic structure functions for mesons in the D3-D7 brane model, that incorporates flavour to the AdS/CFT correspondence. We consider two different prescriptions for the hadronic current dual: a gauge field in the AdS bulk and a gauge field on the D7 brane. We also calculate elastic form factors in both cases. We compare our results with other holographic models.

V2: We included a new section with several plots comparing the structure functions of the models considered. We moved some calculation details to an appendix. Typos corrected. One reference included. 18 pages. 3 figures containing 9 plots

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