Quarkonium Resonance Model of the 125 GeV Boson

Abstract

A quarkonium model of the recently discovered X boson at 125 GeV is investigated. Two isosinglet $J^{PC}=0^{-+}$ resonances $\zeta$ and ${\zeta }^{\prime }$ mix and their masses are determined by the masses of the bottomonium and toponium eigenstates. This mixing is enhanced by the non-perturbative gluon interaction produced by an axial $U_A(1)$ anomaly. The resonance $\zeta$ is identified with the 125 GeV boson X, while the heavier ${\zeta }^{\prime }$ resonance has a mass 230 GeV. We assess the most recent data for the decay mode $X\to Z{Z}^{\ast }\to$ 4 leptons with a critical discussion of the determination of the parity of the $X$ boson.

9 pages, no figures. arXiv admin note: text overlap with arXiv:1211.2746

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Cited by in corpus (1)

• Quarkonium resonance identified with the 125 GeV boson