A QCD sum rule approach to the charmonium - pion cross section
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Undergraduate course
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Sociedade Brasileira de Física
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Article
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Acesso aberto
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Abstract
We study the Borel sum rule for the tensor amplitude of the processes J/y p ® D*, D, *D* and D*. We also evaluate the cross sections as a function. We find that our results are smaller than the J/y p ® charmed mesons cross sections obtained with models based on meson exchange, but are close to those obtained with quark exchange models.
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English
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Brazilian Journal of Physics. Sociedade Brasileira de Física, v. 33, n. 2, p. 316-319, 2003.
