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Exotic hybrid mesons from improved Kogut-Susskind fermions

✍ Scribed by C. Bernard; T. Burch; C. DeTar; Steven Gottlieb; E.B. Gregory; U.M. Heller; J. Osborn; R. Sugar; D. Toussaint


Book ID
104354300
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
270 KB
Volume
119
Category
Article
ISSN
0920-5632

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✦ Synopsis


We summarize our measurement of the mass of the exotic l-+ hybrid meson using an improved Kogut-Susskind action. We show results from both quenched and dynamical quark simulations and compare with results from Wilson quarks. Extrapolation of these results to the physical quark mass allows comparison with experimental candidates for the l-+ hybrid meson.


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Hybrid and Exotic Mesons from FLIC Fermi
✍ J.N. Hedditch; D.B. Leinweber; A.G. Williams; J.M. Zanottia πŸ“‚ Article πŸ“… 2004 πŸ› Elsevier Science 🌐 English βš– 259 KB

The spectral properties of hybrid meson interpolating fields are investigated. The quantum numbers of the meson are carried by smeared-source fermion operators and highly-improved chrome-electric and -magnetic field operators composed with APE-smeared links. The effective masses of standard and hybr