D*D rho vertex from QCD sum rules
| Contribuinte(s) |
UNIVERSIDADE DE SÃO PAULO |
|---|---|
| Data(s) |
20/10/2012
20/10/2012
2011
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| Resumo |
We calculate the form factors and the coupling constant in the D*D rho vertex in the framework of QCD sum rules. We evaluate the three-point correlation functions of the vertex considering D, rho and D* mesons off-shell. The form factors obtained are very different but give the same coupling constant: g(D*D rho) = 4.3 +/- 0.9 GeV(-1). (C) 2011 Elsevier B.V. All rights reserved. Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) CNPq CAPES Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) FAPESP |
| Identificador |
NUCLEAR PHYSICS A, v.852, n.1, p.127-140, 2011 0375-9474 http://producao.usp.br/handle/BDPI/29098 10.1016/j.nuclphysa.2011.01.001 |
| Idioma(s) |
eng |
| Publicador |
ELSEVIER SCIENCE BV |
| Relação |
Nuclear Physics A |
| Direitos |
restrictedAccess Copyright ELSEVIER SCIENCE BV |
| Palavras-Chave | #QCD sum rules #Charmonium in dense nuclear matter #Heavy quark theory #INTERMEDIATE MOMENTUM-TRANSFER #HEAVY-ION COLLISIONS #J-PSI-SUPPRESSION #J/PSI PRODUCTION #HADRONIC MATTER #B-PI #CHARMONIUM SUPPRESSION #COUPLING-CONSTANTS #PERTURBATIVE QCD #FORM-FACTORS #Physics, Nuclear |
| Tipo |
article original article publishedVersion |
