The QCD Quark Propagator in Coulomb Gauge and - Institut für Physik

80 6.5. Nucleon electromagnetic form factors: results
1
G E
p
0.8
0.6
0.4
fit F.W.
set A ; κ T
=2
set A ; κ T
=1
set A ; κ T
=3
set B ; κ T
=2
set B ; κ T
=1
set B ; κ T
=3
G M
p
4
3
2
0.2
1
0
0 1 2 3 4 5 6
Q 2 [GeV 2 ]
0
0 1 2 3 4 5 6
Q 2 [GeV 2 ]
0.06
0.0
-0.5
0.04
-1.0
G E
n
G M
n
0.02
-1.5
-2.0
0
0 1 2 3 4 5 6
Q 2 [GeV 2 ]
0 1 2 3 4 5 6
Q 2 [GeV 2 ]
Figure 6.4: Response of nucleon form factors to variations in the strength of the electromagnetic
axial-vector ↔ scalar diquark transition, [AHK + 05]: κ T = 1, 2, 3; with µ 1 + = 2, χ 1 + = 1.
The other features are described in the caption of figure6.2.