The QCD Quark Propagator in Coulomb Gauge and - Institut für Physik
The QCD Quark Propagator in Coulomb Gauge and - Institut für Physik
The QCD Quark Propagator in Coulomb Gauge and - Institut für Physik
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Chapter 6. Nucleon Form Factors <strong>in</strong> a Covariant Diquark-<strong>Quark</strong> model 89<br />
1.5<br />
(Q/ln(Q 2 /Λ 2 )) 2 F 2p<br />
/(κ p<br />
F 1p<br />
)<br />
1<br />
0.5<br />
set A<br />
set B<br />
SLAC<br />
JLab 1<br />
JLab 2<br />
0<br />
2 3 4 5 6<br />
Q 2 [GeV 2 ]<br />
Figure 6.9: Weighted proton Pauli/Dirac form factor ratio, cf. [AHK + 05], calculated with<br />
Λ = M N = 0.94 GeV. <strong>The</strong> b<strong>and</strong>s are as described <strong>in</strong> figure6.7, as are the data.<br />
1.5<br />
(Q/ln(Q 2 /Λ 2 )) 2 F 2p<br />
/(κ p<br />
F 1p<br />
)<br />
1<br />
0.5<br />
SLAC<br />
JLab 1<br />
JLab 2<br />
0<br />
2 3 4 5 6 7 8 9 10<br />
Q 2 [GeV 2 ]<br />
Figure 6.10: <strong>The</strong> same as figure 6.9 for set B only, cf. [H + 05]: the calculation is exp<strong>and</strong>ed to<br />
higher momenta.
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