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Insight into the Scalar Mesons from a Lattice Calculation | | Mark Alford
; R. L. Jaffe
; | | Date: |
20 Dec 1999 | | Journal: | Nucl.Phys. B578 (2000) 367-382 | | Subject: | hep-lat hep-ex hep-ph nucl-th | | Affiliation: | MIT), R. L. Jaffe (MIT | | Abstract: | We study the possibility that the light scalar mesons are (qbar qbar q q) states rather than (qbar q). We perform a lattice QCD calculation of pseudoscalar meson scattering amplitudes, ignoring quark loops and quark annihilation, and find indications that for sufficiently heavy quarks there is a stable four-quark bound state with J^{PC}=0^{++} and non-exotic flavor quantum numbers. | | Source: | arXiv, hep-lat/0001023 | | Services: | Forum | Review | PDF | Favorites | |
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