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Quenched charmonium spectrum

We study charmonium using the standard relativistic formalism in the quenched approximation, on a set of lattices with isotropic lattice spacings ranging from 0.1 to 0.04 fm. We concentrate on the calculation of the hyperfine splitting between eta_c and J/psi, aiming for a controlled continuum extra...

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Detalles Bibliográficos
Autores principales:	Choe, S., de Forcrand, P., Garcia Perez, M., Liu, Y., Nakamura, A., Stamatescu, I.O., Takaishi, T., Umeda, T.
Lenguaje:	eng
Publicado:	2003
Materias:	Particle Physics - Lattice
Acceso en línea:	https://dx.doi.org/10.1088/1126-6708/2003/08/022 http://cds.cern.ch/record/627247

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