Deploying heavier $η$ meson states: configurational entropy hybridizing AdS/QCD

The meson family of $η$ pseudoscalars is studied in the context of the AdS/QCD correspondence and the differential configurational entropy (DCE). For it, two forms of configurational-entropic Regge-like trajectories are engendered, relating the $η$ mesonic states excitation number to both their experimental mass spectrum in the Particle Data Group (PDG) and the DCE as well. Hence, the mass spectrum of $η$ pseudoscalar mesonic states, beyond the already detected states $η(550)$, $η'(958)$, $η(1295)$, $η(1405)$, $η(1475)$, $η(1760)$, $η(2225)$, and $η(2320)$, is derived for any excitation number. The three first ulterior members of this family are then analyzed and also compared to existing candidates in PDG.

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