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AbstractAbstract
[en] Results are reported for N* masses in the 1/2+ and 1/2- sectors on an anisotropic lattice. The gauge action is the usual plaquette plus rectangle type, the quark action is of the D234 type, both having tadpole-improved tree-level coefficients. Clear splittings from the nucleon ground state are observed with smeared operators and 500 configurations. The first excited states in each channel are further isolated, using a correlation matrix and the variational method. The basic pattern of these splittings is consistent with experimental observations
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1 Mar 2001; 281.7 Kilobytes; 18. International Symposium on Lattice Field Theory (Lattice 2000); Bangalore (India); 17-22 Aug 2000; DOE/ER--40150-3338; HEP-LAT--0011060; AC--05-84ER40150; Available from PURL: https://www.osti.gov/servlets/purl/839260-lRQdLn/native/
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