TY - JOUR
T1 - Up- and down-quark contributions to the nucleon electromagnetic form factors at low Q 2
AU - Qattan, I. A.
AU - Arrington, J.
N1 - Funding Information:
This work was supported by Khalifa University of Science and Technology and by the U.S. Department of Energy, Office of Nuclear Physics, under contract DE-AC02-06CH11357.
Publisher Copyright:
© Published under licence by IOP Publishing Ltd.
PY - 2017/7/11
Y1 - 2017/7/11
N2 - The spatial distribution of charge and magnetization within the nucleon (proton and neutron) is encoded in the elastic electromagnetic form factors GE (p,n) and GM (p,n). These form factors have been precisely measured utilizing elastic electron scattering, and the combination of proton and neutron form factors allows for the separation of the up- and down-quark contributions to the nucleon form factors. We expand on our original analyses and extract the up- and down-quark contributions to the nucleon electromagnetic form factors from worldwide data with an emphasis on precise new data covering the low-momentum region, which is sensitive to the large-scale structure of the nucleon. From these, we construct the flavor-separated Dirac and Pauli form factors and their ratios, and compare the results to recent extractions and theoretical calculations and models.
AB - The spatial distribution of charge and magnetization within the nucleon (proton and neutron) is encoded in the elastic electromagnetic form factors GE (p,n) and GM (p,n). These form factors have been precisely measured utilizing elastic electron scattering, and the combination of proton and neutron form factors allows for the separation of the up- and down-quark contributions to the nucleon form factors. We expand on our original analyses and extract the up- and down-quark contributions to the nucleon electromagnetic form factors from worldwide data with an emphasis on precise new data covering the low-momentum region, which is sensitive to the large-scale structure of the nucleon. From these, we construct the flavor-separated Dirac and Pauli form factors and their ratios, and compare the results to recent extractions and theoretical calculations and models.
UR - http://www.scopus.com/inward/record.url?scp=85028690670&partnerID=8YFLogxK
U2 - 10.1088/1742-6596/869/1/012053
DO - 10.1088/1742-6596/869/1/012053
M3 - Conference article
AN - SCOPUS:85028690670
SN - 1742-6588
VL - 869
JO - Journal of Physics: Conference Series
JF - Journal of Physics: Conference Series
IS - 1
M1 - 012053
T2 - International Conference Frontiers in Theoretical and Applied Physics, FTAPS 2017
Y2 - 22 February 2017 through 25 February 2017
ER -