Intrinsic Charm of Vector Mesons: A Possible Solution of the "rho pi" Puzzle

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An outstanding mystery of charmonium physics is why the J/ψdecays prominently to pseudoscalar plus vector meson channels, such as J/ψ-> ρπand J/ψ-> K^*K, whereas the ψ'(2S) does not. We show that such decays of J/ψand their suppression for ψ'(2S) follow naturally from the existence of intrinsic charm |qbar q cbar c> Fock components of the light vector mesons.
Latex, 11 pages

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/190525

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/9704379
 http://arxiv.org/abs/hep-ph/9704379
 Phys.Rev.Lett.78:4682-4685,1997
 doi:10.1103/PhysRevLett.78.4682

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arXiv