N* Masses from an Anisotropic Lattice QCD Action
Frank X. Lee; Derek B. Leinweber; L. Zhou; J. Zanotti; S. Choe
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States). Funding organisation: USDOE Office of Energy Research (ER) (United States)2002
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States). Funding organisation: USDOE Office of Energy Research (ER) (United States)2002
AbstractAbstract
[en] We report N* masses in the spin 3/2 sector from a highly-improved anisotropic action. States with both positive and negative parity are isolated via a parity projection method. The extent to which spin projection is needed is examined. The gross features of the splittings from the nucleon ground state show a trend consistent with experimental results at the quark masses explored
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1 Mar 2002; 3 p; 19. International Symposium On Lattice Field Theory (Lattice 2001); Berlin (Germany); 19-24 Aug 2001; DOE/ER--40150-2308; AC05-84ER40150; Available from Thomas Jefferson National Accelerator Facility, Newport News, VA (US); Nuclear Physics B -- Proceedings Supplements, Vol. 106-107 (1-3) (2002) pp. 248-250
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