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Type: Journal article
Title: Strange quarks and lattice QCD
Author: Thomas, A.
Shanahan, P.
Young, R.
Citation: Few-Body Systems, 2013; 54(1-4):123-128
Publisher: Springer-Verlag Wien
Issue Date: 2013
ISSN: 0177-7963
Statement of
Anthony W. Thomas, Phiala E. Shanahan, Ross D. Young
Abstract: The last few years have seen a dramatic improvement in our knowledge of the strange form factors of the nucleon. With regard to the vector from factors the level of agreement between theory and experiment gives us considerable confidence in our ability to calculate with non-perturbative QCD. The calculation of the strange scalar form factor has moved significantly in the last 2 years, with the application of new techniques which yield values considerably smaller than believed for the past 20 years. These new values turn out to have important consequences for the detection of neutralinos, a favourite dark matter candidate. Finally, very recent lattice studies have resurrected interest in the famed H-dibaryon, with modern chiral extrapolation of lattice data suggesting that it may be only slightly unbound. We review some of the major sources of uncertainty in that chiral extrapolation.
Rights: © Springer-Verlag 2012
DOI: 10.1007/s00601-012-0372-8
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Chemistry and Physics publications

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