Masses of excited baryons from chirally improved quenched lattice QCD

URN to cite this document:: urn:nbn:de:bvb:355-epub-17695
DOI to cite this document:: 10.5283/epub.1769

Burch, Tommy ; Gattringer, Christof ; Glozman, Leonid Ya. ; Hagen, Christian ; Hierl, Dieter ; Kleindl, Reinhard ; Lang, C. B. ; Schäfer, Andreas

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Date of publication of this fulltext: 05 Aug 2009 13:32

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Abstract

Whereas ground state spectroscopy for quenched QCD is well understood, it is still a challenge to obtain results for excited hadron states. In our study we present results from a new approach for determining spatially optimized operators for lattice spectroscopy of excited hadrons. In order to be able to approach physical quark masses we work with the chirally improved Dirac operator, i.e., ...