Unquenching the scalar glueball
| dc.creator | Boglione, M. | |
| dc.creator | Pennington, M. R. | |
| dc.date | 1997-03-06 | |
| dc.date.accessioned | 2026-07-07T10:33:29Z | |
| dc.date.available | 2026-07-07T10:33:29Z | |
| dc.description | Computations in the quenched approximation on the lattice predict the lightest glueball to be a scalar in the 1.5-1.8 GeV region. Here we calculate the dynamical effect the coupling to two pseudoscalars has on the mass, width and decay pattern of such a scalar glueball. These hadronic interactions allow mixing with the $q \overline q$ scalar nonet, which is largely fixed by the well-established K_0^*(1430). This non-perturbative mixing means that, if the pure gluestate has a width to two pseudoscalar channels of ~100 MeV as predicted on the lattice, the resulting hadron has a width to these channels of only ~30 MeV with a large eta-eta component. Experimental results need to be reanalyzed in the light of these predictions to decide if either the f_0(1500) or an f_0(1710) coincides with this dressed glueball. | |
| dc.description | 12 pages, LaTex, 3 Postscript figures | |
| dc.identifier | https://arxiv.org/abs/hep-ph/9703257 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/9703257 | |
| dc.identifier | Phys.Rev.Lett.79:1998-2001,1997 | |
| dc.identifier | doi:10.1103/PhysRevLett.79.1998 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/179125 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Unquenching the scalar glueball | |
| dc.type | text |