Hunting for the strangeness content of the nucleon

Details Hunting for the strangeness content of the nucleon Hunting for the strangeness content of the nucleon

2008-11-05

arxiv.org/abs/0811.0807v2

PoS LATTICE2008:161,2008

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, talk presented at XXVI International Symposium on Lattice Field Theory (Lattice 2008), July 14-19, 2008, Williamsburg

Scientific paper

We present results for the strangeness contribution to the nucleon, , and to the spin of the nucleon, Delta s. By combining several variance reduction techniques for all-to-all propagators we are able to obtain gains in terms of computer time of factors of 25-30 for the disconnected loop that is needed within the calculation of Delta s, relative to the standard approach of just employing time partitioning/dilution. For , the error is dominated by the gauge noise.

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