Improved method for computing nucleon strangeness

Walter Freeman, Doug Toussaint

Research output: Contribution to journalConference Articlepeer-review


The strange quark content of the nucleon, hN|ss ¯ |Ni− h0|ss ¯ |0i, as well as other matrix elements, can be calculated on the lattice by examining correlations between the nucleon propagator and the quark condensate. The largest contribution to statistical error comes from fluctuations in the condensate far from the propagation region that contribute only noise. We will report on a technique for considering only the condensate near the propagation region, significantly reducing the statistical error.

Original languageEnglish (US)
JournalProceedings of Science
StatePublished - Jan 1 2010
Externally publishedYes
Event28th International Symposium on Lattice Field Theory, Lattice 2010 - Villasimius, Sardinia, Italy
Duration: Jun 14 2010Jun 19 2010

ASJC Scopus subject areas

  • General


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