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Scalar glueballs: Constraints from the decays into η or η′

par Frère, Jean-Marie ;Heeck, Julian
Référence Physical review. D, Particles, fields, gravitation, and cosmology, 92, 11, 114035
Publication Publié, 2015-12

Article révisé par les pairs

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Résumé :

We study the mixing of the scalar glueball into the isosinglet mesons f0(1370), f0(1500), and f0(1710) to describe the two-body decays to pseudoscalars. We use an effective Hamiltonian and employ the two-angle mixing scheme for η and η′. In this framework, we analyze existing data and look forward to new data into η and η′ channels. For now, the f0(1710) has the largest glueball component and a sizable branching ratio into ηη′, testable at BESIII.