1998
DOI: 10.1103/physrevd.58.074504
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Lattice calculation of the strangeness magnetic moment of the nucleon

Abstract: We report on a lattice QCD calculation of the strangeness magnetic moment of the nucleon. Our result is G s M (0) = −0.36 ± 0.20. The sea contributions from the u and d quarks are about 80% larger. However, they cancel to a large extent due to their electric charges, resulting in a smaller net sea contribution of −0.097 ± 0.037µ N to the nucleon magnetic moment. As far as the neutron to proton magnetic moment ratio is concerned, this sea contribution tends to cancel out the cloud-quark effect from the Z-graphs… Show more

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Cited by 120 publications
(182 citation statements)
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“…In Fig. 2 we plot the summed ratio of three to two point functions as a function of the time slice, from which one can obtain the magnetic form factor (see ref [2] for notations). Valence and sea quark mass is kept fixed at κ = 0.154.…”
Section: Resultsmentioning
confidence: 99%
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“…In Fig. 2 we plot the summed ratio of three to two point functions as a function of the time slice, from which one can obtain the magnetic form factor (see ref [2] for notations). Valence and sea quark mass is kept fixed at κ = 0.154.…”
Section: Resultsmentioning
confidence: 99%
“…For disconnected loop calculation A will be replaced by the inverse fermion matrix M −1 . Previously it was shown that the above variance for M −1 can be reduced substantially [8,2,3,5] by using a set of traceless matrices obtained from the hoping parameter expansion of the fermion matrix M as…”
Section: Noise Methods and Unbiased Subtractionmentioning
confidence: 99%
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