Hybrid and Orbitally Excited Mesons in Quenched QCD

Details Hybrid and Orbitally Excited Mesons in Quenched QCD Hybrid and Orbitally Excited Mesons in Quenched QCD

1997-08-20

arxiv.org/abs/hep-lat/9708013v1

Nucl.Phys.Proc.Suppl.63:203-205,1998

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, Latex plus 3 postscript figures. Contribution to the Lattice '97 Proceedings

Scientific paper

10.1016/S0920-5632(97)00722-6

We use lattice methods to evaluate from first principles the spectrum of hybrid mesons produced by gluonic excitations in quenched QCD with quark masses near the strange quark mass. For the spin-exotic mesons with $J^{PC}=1^{-+},\ 0^{+-}$, and $2^{+-}$ which are not present in the quark model, we determine the lightest state to be $1^{-+}$ with mass of 2.0(2) GeV. Results obtained for orbitally excited mesons are also presented.

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