Veneziano like amplitude as a test for AdS/QCD models

Details Veneziano like amplitude as a test for AdS/QCD models Veneziano like amplitude as a test for AdS/QCD models

2011-11-24

arxiv.org/abs/1111.5835v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, accepted by the European Physical Journal C. arXiv admin note: substantial text overlap with arXiv:1102.2740

Scientific paper

The high energy asymptotics of QCD correlation functions is often used as a test for bottom-up holographic models. Since QCD is not strongly coupled in the ultraviolet domain, such a test may look questionable. We propose that the sum over resonance poles emerging in correlators of a bottom-up model should reproduce the structure of a Veneziano like amplitude at zero momentum transfer assuming equivalence of spin and radial states in the latter. This requires a five-dimensional background that suppresses the ultraviolet part in the effective action of a model. We give examples of emerging low-energy holographic models.

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