Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/12459
Title: More nonperturbative corrections to the fine and hyperfine splitting in the heavy quarkorium
Author: Pineda, Antonio
Keywords: Partícules (Física nuclear)
Particles (Nuclear physics)
Issue Date: 1997
Publisher: Published for the American Physical Society by the American Institute of Physics
Abstract: Leading nonperturbative effects to fine and hyperfine splittings were calculated some time ago. Recently, they have been used in order to obtain realistic numerical results for the lower levels in bottomonium systems. We point out that a contribution of the same order O ( Λ 4 QCD / m 3 α 2 s ) has been overlooked. We calculate it in this paper.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevD.55.407
It is part of: Physical Review D, 1997, vol. 55, núm. 1, p. 407-410
Related resource: http://dx.doi.org/10.1103/PhysRevD.55.407
URI: http://hdl.handle.net/2445/12459
ISSN: 0556-2821
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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