Anomalous and linear holographic hard wall models for light unflavored mesons
arXiv:2405.18599 · doi:10.1103/PhysRevD.110.086014
Abstract
In this work we consider anomalous and linear holographic hard wall (HW) models for light unflavored mesons inspired by the AdS/CFT correspondence. The anomalous dimensions depend on the logarithm of the spin S of the meson state and come from a semiclassical analysis of gauge/string duality. The anomalous HW model produces very good masses and good Regge trajectories for mesons compared with PDG data. Inspired by this anomalous HW model we also propose a phenomenological modification of the dimension of the boundary operators such that the model produces asymptotic linear Regge trajectories. Both anomalous HW models considered here present mass percentage deviations of less than 3%, when compared with PDG data.
Version 2: 26 pages, 4 figures (1 new), 10 tables (4 new). Text improved. Results unchanged. One appendix included with complementary chi^2 analysis. Version published in PRD
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