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Baryon spectroscopy with spatially improved quark sources

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Burch, Tommy ; Gattringer, Christof ; Glozman, Leonid Ya. ; Hagen, Christian ; Hierl, Dieter ; Lang, C. B. ; Schäfer, Andreas
Date of publication of this fulltext: 05 Aug 2009 13:32


We study baryons on the lattice with a special focus on excited states. For that purpose we construct several interpolators which differ in their Dirac structure. These interpolators are built from Jacobi smeared quarks with different widths in order to allow for operators with improved spatial wavefunctions. We compute all cross correlations and use the variational method to determine which ...


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