Charmonium's K2 peak
| dc.creator | Llanes-Estrada, Felipe J. | |
| dc.date | 2005-07-04 | |
| dc.date | 2005-07-18 | |
| dc.date.accessioned | 2026-07-07T10:29:33Z | |
| dc.date.available | 2026-07-07T10:29:33Z | |
| dc.description | The newly reported Y(4260) becomes the second most massive state in the charmonium family. We argue that it displaces the psi(4415) as the (largely) 4s vector charmonium state, recall s-d wave interference to explain the lack of a signal in e-e+ to hadrons and suggest some further study avenues that can exclude exotic meson assignments. The absence of a J/psi KK mode can be understood, beyond phase space suppression, to be a consequence of chiral symmetry. We also provide a model calculation in this sector showing that, although forcing the fit somewhat (which suggests a small sea quark wavefunction component), the state can be incorporated in a standard scheme. | |
| dc.description | 4 pages, 2 figures added | |
| dc.identifier | https://arxiv.org/abs/hep-ph/0507035 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/0507035 | |
| dc.identifier | Phys.Rev.D72:031503,2005 | |
| dc.identifier | doi:10.1103/PhysRevD.72.031503 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/177842 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Charmonium's K2 peak | |
| dc.type | text |