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Determination of the spin-dependent potentials with the multi-level algorithm

Miho Koma·Yoshiaki Koma·Hartmut Wittig
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Abstract

The spin-dependent corrections to the static interquark potential are relevant to describing the fine and hyper-fine splittings of the heavy quarkonium spectra. We investigate these corrections in SU(3) lattice gauge theory with the Polyakov loop correlation function as the quark source by applying the multi-level algorithm. We observe remarkably clean signals for the spin-dependent potentials up to intermediate distances.

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Miho Koma, Yoshiaki Koma, Hartmut Wittig. 2005-10-10. Determination of the spin-dependent potentials with the multi-level algorithm. https://arxiv.org/abs/hep-lat/0510059

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