L2 part of the heavy-quark potential from dual QCD and heavy-quark spectroscopy

M. Baker, James S. Ball, and F. Zachariasen
Phys. Rev. D 47, 3021 – Published 1 April 1993
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Abstract

We use the classical approximation to the dual QCD field equations to calculate the term in the heavy-quark potential that is proportional to angular momentum squared. This potential combined with the potentials obtained in our earlier work gives a result which is essentially the dual of the potential acting between a monopole-antimonopole pair carrying Dirac electric dipole moments and rotating in a relativistic superconductor. These potentials are used to fit the masses of the low-lying states of the cc¯ and bb¯ systems. The agreement, achieved with only four parameters, two of which are roughly determined in advance, is better than 1%. We also predict the masses of the lightest cb¯ states.

  • Received 20 October 1992

DOI:https://doi.org/10.1103/PhysRevD.47.3021

©1993 American Physical Society

Authors & Affiliations

M. Baker*

  • Laboratoire de Physique Théorique et Hautes Energies, Université de Paris XI, Bâtiment 211, F-91405 Orsay Cedex, France

James S. Ball

  • University of Utah, Salt Lake City, Utah 84112

F. Zachariasen

  • Theory Division, CERN, 1211 Geneva 23, Switzerland

  • *Permanent address: University of Washington, Seattle, WA 98195.
  • Permanent address: California Institute of Technology, Pasadena, CA 91125.

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Vol. 47, Iss. 7 — 1 April 1993

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