Do $c\bar c n\bar n$ bound states exist?
| dc.creator | Vijande, J. | |
| dc.creator | Weissman, E. | |
| dc.creator | Barnea, N. | |
| dc.creator | Valcarce, A. | |
| dc.date | 2007-08-24 | |
| dc.date.accessioned | 2026-07-07T11:18:51Z | |
| dc.date.available | 2026-07-07T11:18:51Z | |
| dc.description | The four--quark system $c\bar c n\bar n$ is studied in the framework of the constituent quark model. Using different types of quark-quark potentials, we solve the four--body Schrödinger equation by means of the hyperspherical harmonic formalism. Exploring the low laying $J^{PC}$ states for different isospin configurations no four-quark bound states have been found. Of particular interest is the possible four-quark structure of the X(3872). We rule out the possibility that this particle is a compact tetraquark system, unless additional correlations, either in the form of diquarks or at the level of the interacting potential, not considered in simple quark models do contribute. | |
| dc.description | 30 pages, 2 figures. Accepted for publication in Phys. Rev. D | |
| dc.identifier | https://arxiv.org/abs/0708.3285 | |
| dc.identifier | http://arxiv.org/abs/0708.3285 | |
| dc.identifier | Phys.Rev.D76:094022,2007 | |
| dc.identifier | doi:10.1103/PhysRevD.76.094022 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/193487 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.subject | High Energy Physics - Experiment | |
| dc.title | Do $c\bar c n\bar n$ bound states exist? | |
| dc.type | text |