The Heavy Hybrid Spectrum from NRQCD and the Born-Oppenheimer Approximation

Details The Heavy Hybrid Spectrum from NRQCD and the Born-Oppenheimer Approximation The Heavy Hybrid Spectrum from NRQCD and the Born-Oppenheimer Approximation

1999-09-29

arxiv.org/abs/hep-lat/9909165v1

Nucl.Phys.Proc.Suppl.83:304-306,2000

Physics

High Energy Physics

High Energy Physics - Lattice

LATTICE99(Heavy Quarks),3 pages,2 figures,uses espcrc2.sty

Scientific paper

The spectrum of heavy-quark hybrids is studied in the leading Born-Oppenheimer (LBO) approximation and using leading-order NRQCD simulations with an improved gluon action on anisotropic lattices. The masses of four hybrid states are obtained from our simulations for lattice spacings 0.1 fm and 0.2 fm and are compared to the LBO predictions obtained using previously-determined glue-excited static potentials. The consistency of results from the two approaches reveals a compelling physical picture for heavy-quark hybrid states.

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