Journal Article

FZJ-2015-07126

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Determination of the Strange Nucleon Form Factors

Shanahan, P.  E. ; Horsley, R. ; Nakamura, Y. ; Pleiter, D.FZJ* ; Rakow, P.  E.  L. ; Schierholz, G. ; Stüben, H. ; Thomas, A.  W. ; Young, R.  D. ; Zanotti, J.  M.

2015
APS College Park, Md.

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Please use a persistent id in citations: http://hdl.handle.net/2128/9527  doi:10.1103/PhysRevLett.114.091802

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: $G^s_M(Q^2=0)=−0.07±0.03μN$. At larger values of $Q^2$ both the electric and magnetic form factors are consistent with zero to within 2 standard deviations.

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Contributing Institute(s):

1. Jülich Supercomputing Center (JSC)

Research Program(s):

1. 511 - Computational Science and Mathematical Methods (POF3-511) (POF3-511)

Appears in the scientific report 2015

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Database coverage:
; ; ; Current Contents - Physical, Chemical and Earth Sciences ; IF >= 5 ; JCR ; NCBI Molecular Biology Database ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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