| Journal: | Brazilian journal of physics |
| Database: | PERIÓDICA |
| System number: | 000403418 |
| ISSN: | 0103-9733 |
| Authors: | Bracco, M.E1 Lozea, A2 Cerqueira-Junior, A1 Chiapparini, M1 Nielsen, M3 |
| Institutions: | 1Universidade do Estado do Rio de Janeiro, Instituto de Fisica, Rio de Janeiro. Brasil 2Universidade Federal do Rio de Janeiro, Rio de Janeiro. Brasil 3Universidade de Sao Paulo, Instituto de Fisica, Sao Paulo. Brasil |
| Year: | 2007 |
| Season: | Mar |
| Volumen: | 37 |
| Number: | 1 |
| Pages: | 59-62 |
| Country: | Brasil |
| Language: | Inglés |
| Document type: | Artículo |
| Approach: | Analítico |
| English abstract | We calculate the coupling constants of D ∗DsK and D (Sup *) Ds K vertices using the QCD sum rules technique. We compare our results with results obtained in the limit of SU(4) symmetry and we found that the symmetry is broken at the order of 40% |
| Disciplines: | Física y astronomía |
| Keyword: | Física de partículas y campos cuánticos, Teoría cuántica de campos, Cromodinámica cuántica, Constantes de acoplamiento, Hadrones |
| Keyword: | Physics and astronomy, Particle physics and quantum fields, Quantum field theory, Quantum chromodynamics (QCD), Coupling constants, Hadrons |
| Full text: | Texto completo (Ver PDF) |
