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19 April 2024

» arxiv » hep-lat/0110057

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The spin structure of the Lambda hyperon in quenched lattice QCD
M. Göckeler ; R. Horsley ; D. Pleiter ; P.E.L. Rakow ; S. Schaefer ; A. Schäfer ; G. Schierholz ;
Date:	12 Oct 2001
Journal:	Nucl.Phys.Proc.Suppl. 106 (2002) 305-307
Subject:	hep-lat hep-ph
Abstract:	It has been suggested to use the production of Lambda hyperons for investigating the nucleon spin structure. The viability of this idea depends crucially on the spin structure of the Lambda. Using nonperturbatively O(a) improved Wilson fermions in the quenched approximation we have studied matrix elements of two-quark operators in the Lambda. We present results for the axial vector current, which give us the contributions of the u, d, and s quarks to the Lambda spin.
Source:	arXiv, hep-lat/0110057
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