Quenched charmonium near the continuum limit

We study relativistic charmonium on very fine quenched lattices (beta=6.4 and 6.6). We concentrate on the calculation of the hyperfine splitting between eta_c and J/psi, aiming for a controlled continuum extrapolation of this quantity. Results for the eta_c and J/psi wave functions are also presente...

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Detalles Bibliográficos
Autores principales: Choe, S., De Forcrand, P., Garcia Perez, M., Hioki, S., Liu, Y., Matsufuru, H., Miyamura, O., Nakamura, A., Stamatescu, I.O., Takaishi, T., Umeda, T.
Lenguaje:eng
Publicado: 2001
Materias:
Particle Physics - Lattice
Acceso en línea:https://dx.doi.org/10.1016/S0920-5632(01)01714-5
http://cds.cern.ch/record/522950
Descripción
Sumario:We study relativistic charmonium on very fine quenched lattices (beta=6.4 and 6.6). We concentrate on the calculation of the hyperfine splitting between eta_c and J/psi, aiming for a controlled continuum extrapolation of this quantity. Results for the eta_c and J/psi wave functions are also presented.

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