Pseudoscalar glueball mass from $η$-$η'$-$G$ mixing
| dc.creator | Cheng, Hai-Yang | |
| dc.creator | Li, Hsiang-nan | |
| dc.creator | Liu, Keh-Fei | |
| dc.date | 2008-11-16 | |
| dc.date | 2009-01-11 | |
| dc.date.accessioned | 2026-07-07T12:46:33Z | |
| dc.date.available | 2026-07-07T12:46:33Z | |
| dc.description | We deduce the mass of the pseudoscalar glueball $G$ from an $η$-$η'$-$G$ mixing formalism based on the anomalous Ward identity for transition matrix elements. With the inputs from the recent KLOE experiment, we find a solution for the pseudoscalar glueball mass around $(1.4\pm 0.1)$ GeV, which is fairly insensitive to a range of inputs with or without Okubo-Zweig-Iizuka-rule violating effects. This affirms that $η(1405)$, having a large production rate in the radiative $J/Ψ$ decay and not seen in $γγ$ reactions, is indeed a leading candidate for the pseudoscalar glueball. Other relevant quantities including the anomaly and pseudoscalar density matrix elements are obtained. The decay widths for $G\to γγ$, $\ell^+\ell^-$ are also predicted. | |
| dc.description | 12 pages no figure, version to appear in PRD | |
| dc.identifier | https://arxiv.org/abs/0811.2577 | |
| dc.identifier | http://arxiv.org/abs/0811.2577 | |
| dc.identifier | Phys.Rev.D79:014024,2009 | |
| dc.identifier | doi:10.1103/PhysRevD.79.014024 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/221422 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.subject | High Energy Physics - Experiment | |
| dc.title | Pseudoscalar glueball mass from $η$-$η'$-$G$ mixing | |
| dc.type | text |