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The Exotic baryon Theta+(1540) on the lattice

URN to cite this document:
urn:nbn:de:bvb:355-epub-17733
Hagen, Christian ; Hierl, Dieter ; Schäfer, Andreas
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Date of publication of this fulltext: 05 Aug 2009 13:32



Abstract

We report on a study of the pentaquark Theta^+(1540), using a variety of different interpolating fields. We use Chirally Improved fermions in combination with Jacobi smeared quark sources to improve the signal and get reliable results even for small quark masses. The results of our quenched calculations, which have been done on a 12^3x24 lattice with a lattice spacing of a=0.148 fm, do not ...

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