TY - JOUR
T1 - Phenomenological delineation of the quark-gluon structure from nucleon electromagnetic form factors
AU - Brown, G. E.
AU - Rho, Mannque
AU - Weise, W.
N1 - Funding Information:
* Work supported by USDOE, contract DE-AC02-76ER13001. ’ Permanent address: Service de Physique ThCorique, CEN Saclay, France. * Permanent address: Institute of Theoretical Physics, Univ. of Regensburg, Germany; supported in part by Deutsche Fo~chungsgemeinschaft and by Forschung und Technologie.
PY - 1986
Y1 - 1986
N2 - We investigate a synthesis of topological chiral models with the vector meson dominance idea, with applications to nucleon and pion electromagnetic form factors. We suggest that the large tensor coupling of the ρ-meson to the nucleon, about twice that given by the vector dominance model, is an indicator of quark-gluon substructure of the nucleon at distances ≲ 1 2 fm. Nucleon and pion form factors are fit within this model, which implies that the γ-ray coupling is about 50% directly to the intrinsic quark structure of the nucleon or pion, and the other 50% is indirect, through vector mesons.
AB - We investigate a synthesis of topological chiral models with the vector meson dominance idea, with applications to nucleon and pion electromagnetic form factors. We suggest that the large tensor coupling of the ρ-meson to the nucleon, about twice that given by the vector dominance model, is an indicator of quark-gluon substructure of the nucleon at distances ≲ 1 2 fm. Nucleon and pion form factors are fit within this model, which implies that the γ-ray coupling is about 50% directly to the intrinsic quark structure of the nucleon or pion, and the other 50% is indirect, through vector mesons.
UR - http://www.scopus.com/inward/record.url?scp=0000494033&partnerID=8YFLogxK
U2 - 10.1016/0375-9474(86)90112-0
DO - 10.1016/0375-9474(86)90112-0
M3 - Article
AN - SCOPUS:0000494033
SN - 0375-9474
VL - 454
SP - 669
EP - 690
JO - Nuclear Physics, Section A
JF - Nuclear Physics, Section A
IS - 3-4
ER -