| dc.contributor | Universidade Estadual Paulista (UNESP) | |
| dc.creator | Haidenbauer, J. | |
| dc.creator | Krein, G. | |
| dc.creator | Meissner, U.-G. | |
| dc.creator | Sibirtsev, A. | |
| dc.date | 2014-05-20T14:05:29Z | |
| dc.date | 2016-10-25T17:10:48Z | |
| dc.date | 2014-05-20T14:05:29Z | |
| dc.date | 2016-10-25T17:10:48Z | |
| dc.date | 2007-07-01 | |
| dc.date.accessioned | 2017-04-05T21:34:55Z | |
| dc.date.available | 2017-04-05T21:34:55Z | |
| dc.identifier | European Physical Journal A. New York: Springer, v. 33, n. 1, p. 107-117, 2007. | |
| dc.identifier | 1434-6001 | |
| dc.identifier | http://hdl.handle.net/11449/22985 | |
| dc.identifier | http://acervodigital.unesp.br/handle/11449/22985 | |
| dc.identifier | 10.1140/epja/i2007-10417-3 | |
| dc.identifier | WOS:000248629500016 | |
| dc.identifier | http://dx.doi.org/10.1140/epja/i2007-10417-3 | |
| dc.identifier.uri | http://repositorioslatinoamericanos.uchile.cl/handle/2250/868288 | |
| dc.description | We investigate the (D) over barN interaction at low energies using a meson exchange model supplemented with a short-distance contribution from one-gluon exchange. The model is developed in close analogy to the meson-exchange KN interaction of the Julich group utilizing SU(4) symmetry constraints. The main ingredients of the interaction are provided by vector meson (rho, omega) exchange and higher-order box diagrams involving (D) over bar *N , (D) over bar Delta, and (D) over bar*Delta intermediate states. The short-range part is assumed to receive additional contributions from genuine quark-gluon processes. The predicted cross-sections for (D) over barN for excess energies up to 150MeV are of the same order of magnitude as those for KN but with average values of around 20mb, roughly a factor two larger than for the latter system. It is found that the omega-exchange plays a very important role. Its interference pattern with the rho-exchange, which is basically fixed by the assumed SU(4) symmetry, clearly determines the qualitative features of the (D) over barN interaction - very similiar to what happens also for the KN system. | |
| dc.language | eng | |
| dc.publisher | Springer | |
| dc.relation | European Physical Journal A | |
| dc.rights | info:eu-repo/semantics/closedAccess | |
| dc.title | (D)over-barN interaction from meson-exchange and quark-gluon dynamics | |
| dc.type | Otro | |
