Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-08-11
Phys.Rev. C72 (2005) 024902
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages, 9 eps figures
Scientific paper
10.1103/PhysRevC.72.024902
Improving previous calculations, we compute the $D + \bar{D} \to J/\psi + \pi $ cross section using the most complete effective lagrangians available. The new crucial ingredients are the form factors on the charm meson vertices, which are determined from QCD sum rules calculations. Some of them became available only very recently and the last one, needed for our present purpose, is calculated in this work.
Carvalho Fabiana
Durães Francisco O.
Navarra Fernando S.
Nielsen Mikkel
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