# Spin dependence of the heavy quark potential: A QCD lattice analysis

Born KD, Laermann E, Walsh TF, Zerwas PM (1994)
PHYSICS LETTERS B 329(2-3): 332-337.

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Journal Article | Original Article | Published | English

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We have investigated the spin dependence of the potential between heavy quarks in full lattice QCD, including the effects of light quark loops. The form of the spin-orbit, the tensor and the spin-spin forces present clear evidence for long-range scalar confinement supplemented by a Coulomb force at short distances. This agrees with observations from quarkonium spectroscopy. The QCD simulation has been carried out for Kogut-Susskind fermions with four degrees of freedom at a gauge coupling beta = 5.35 and a quark mass am(q) = 0.01 on a 16(3) x 24 size lattice. This corresponds to a lattice spacing 0.12 fm, a spatial lattice size of about 2 fm and a light quark mass of 48 MeV.
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Born KD, Laermann E, Walsh TF, Zerwas PM. Spin dependence of the heavy quark potential: A QCD lattice analysis. PHYSICS LETTERS B. 1994;329(2-3):332-337.
Born, K. D., Laermann, E., Walsh, T. F., & Zerwas, P. M. (1994). Spin dependence of the heavy quark potential: A QCD lattice analysis. PHYSICS LETTERS B, 329(2-3), 332-337. doi:10.1016/0370-2693(94)90781-1
Born, K. D., Laermann, E., Walsh, T. F., and Zerwas, P. M. (1994). Spin dependence of the heavy quark potential: A QCD lattice analysis. PHYSICS LETTERS B 329, 332-337.
Born, K.D., et al., 1994. Spin dependence of the heavy quark potential: A QCD lattice analysis. PHYSICS LETTERS B, 329(2-3), p 332-337.
K.D. Born, et al., “Spin dependence of the heavy quark potential: A QCD lattice analysis”, PHYSICS LETTERS B, vol. 329, 1994, pp. 332-337.
Born, K.D., Laermann, E., Walsh, T.F., Zerwas, P.M.: Spin dependence of the heavy quark potential: A QCD lattice analysis. PHYSICS LETTERS B. 329, 332-337 (1994).
Born, K. D., Laermann, Edwin, Walsh, T. F., and Zerwas, P. M. “Spin dependence of the heavy quark potential: A QCD lattice analysis”. PHYSICS LETTERS B 329.2-3 (1994): 332-337.
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