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arXiv · 1306.3948

The quark masses and meson spectrum: A holographic approach

S. S. Afonin·I. V. Pusenkov
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Abstract

The spectrum of radially excited unflavored vector mesons is relatively well measured, especially in the heavy-quark sector. This provides a unique opportunity to observe the behavior of the hadron spectrum at fixed quantum numbers as a function of the quark mass. The experimental data suggests the approximately Regge form for the radial spectrum, M_n^2=An+B, where A and B are growing functions of the quark mass. We use the bottom-up holographic approach to find the functions A and B. The obtained result shows a good agreement with the phenomenology and consistency with some predictions of the Veneziano-like dual amplitudes.

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S. S. Afonin, I. V. Pusenkov. 2013-08-29. The quark masses and meson spectrum: A holographic approach. https://doi.org/10.1016/j.physletb.2013.08.032

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