Determination of the Strange Nucleon Form Factors

Shanahan, PE, Horsley, R, Nakamura, Y, Pleiter, D, Rakow, PEL ORCID: 0000-0003-4486-2158, Schierholz, G, Stueben, H, Thomas, AW, Young, RD and Zanotti, JM (2015) Determination of the Strange Nucleon Form Factors. PHYSICAL REVIEW LETTERS, 114 (9). 091802-.

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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.

Item Type:	Article
Uncontrolled Keywords:	(CSSM and QCDSF/UKQCD Collaborations)
Depositing User:	Symplectic Admin
Date Deposited:	07 Dec 2018 14:45
Last Modified:	19 Jan 2023 01:09
DOI:	10.1103/PhysRevLett.114.091802
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3029714