| Texto completo | |
| Autor(es): |
El-Bennich, Bruno
;
Paracha, M. Ali
;
Roberts, Craig D.
;
Rojas, Eduardo
Número total de Autores: 4
|
| Tipo de documento: | Artigo Científico |
| Fonte: | PHYSICAL REVIEW D; v. 95, n. 3, p. 9-pg., 2017-02-27. |
| Resumo | |
We compute couplings between the.-meson and D and D* mesons-Dd((*))rho D-(*)-that are relevant to phenomenological meson-exchange models used to analyze nucleon-D-meson scattering and explore the possibility of exotic charmed nuclei. Our framework is built from elements constrained by DysonSchwinger equation studies in QCD, and therefore expresses a simultaneous description of light-and heavy-quarks and the states they constitute. We find that all interactions, including the three independent D*rho D* couplings, differ markedly amongst themselves in strength and also in range, as measured by their evolution with rho-meson virtuality. As a consequence, it appears that one should be cautious in using a single coupling strength or parametrization for the study of interactions between D-(*) mesons and matter. (AU) | |
| Processo FAPESP: | 13/16088-4 - Física hadrônica na era do "12 GeV upgrade" no Jefferson Lab e dos novos aceleradores para a física de sabores |
| Beneficiário: | Bruno Omar El Bennich |
| Modalidade de apoio: | Auxílio à Pesquisa - Regular |