Recent results on nucleon sigma terms in lattice QCD

Details Recent results on nucleon sigma terms in lattice QCD Recent results on nucleon sigma terms in lattice QCD

2009-11-09

arxiv.org/abs/0911.1757v1

Physics

High Energy Physics

High Energy Physics - Lattice

6 pages, 1 figure; prepared for Proc. 4th Int Symposium on Symmetries in Subatomic Physics (SSP2009), Taipei, Taiwan, June 2-5

Scientific paper

It has proven a significant challenge to experiment and phenomenology to extract precise values of the nucleon sigma terms. This difficulty opens the window for lattice QCD simulations to lead the field in resolving this aspect of nucleon structure. Here we report on recent advances in the extraction of nucleon sigma terms in lattice QCD. In particular, the strangeness component is now being resolved to a precision that far surpasses best phenomenological estimates.

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