Scalar and higher even spin glueball masses from an anomalous modified holographic model

Abstract

In this work, within an anomalous modified holographic softwall model, we calculate analytically the masses of the scalar glueball with its radial excitations and higher even glueball spin states, with $P=C=+1$, from a single mass equation. Using this approach we achieved an unified treatment for both scalar and high even spin glueballs masses. Furthermore, we also obtain the Regge trajectory associated with the pomeron compatible with other approaches.

V4: 14 pages, 3 tables, 1 figure. Text improved. New references included. Typos corrected. Results slightly modified due to the improvement of the statistical analysis. This version matches the published one in EPL

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