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Type: Journal article
Title: Determination of the strange nucleon form factors
Author: Shanahan, P.
Horsley, R.
Nakamura, Y.
Pleiter, D.
Rakow, P.
Schierholz, G.
Stüben, H.
Thomas, A.
Young, R.
Zanotti, J.
Citation: Physical Review Letters, 2015; 114(9):091802-1-091802-5
Publisher: American Physical Society
Issue Date: 2015
ISSN: 0031-9007
Statement of
P.E. Shanahan, R. Horsley, Y. Nakamura, D. Pleiter, P.E.L. Rakow, G. Schierholz, H. Stüben, A.W. Thomas, R.D. Young, and J.M. Zanotti (CSSM and QCDSF/UKQCD Collaborations)
Abstract: The strange contribution to the electric and magnetic form factors of the nucleon is determined at a range of discrete values of Q^{2} up to 1.4  GeV^{2}. This is done by combining a recent analysis of lattice QCD results for the electromagnetic form factors of the octet baryons with experimental determinations of those quantities. The most precise result is a small negative value for the strange magnetic moment: G_{M}^{s}(Q^{2}=0)=-0.07±0.03μ_{N}. At larger values of Q^{2} both the electric and magnetic form factors are consistent with zero to within 2 standard deviations.
Keywords: (CSSM and QCDSF/UKQCD Collaborations)
Rights: © 2015 American Physical Society
RMID: 0030025254
DOI: 10.1103/PhysRevLett.114.091802
Grant ID:
Appears in Collections:Physics publications

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