The spin structure of the Lambda hyperon in quenched lattice QCD

Details The spin structure of the Lambda hyperon in quenched lattice QCD The spin structure of the Lambda hyperon in quenched lattice QCD

2001-10-12

arxiv.org/abs/hep-lat/0110057v1

Nucl.Phys.Proc.Suppl.106:305-307,2002

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2001(matrixelement), 3 pages, 2 figures

Scientific paper

10.1016/S0920-5632(01)01696-6

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.

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