#FIG 3.2 Produced by RustFig #encoding: UTF-8 Landscape Center Inches Letter 100.00 Single -2 1200 2 # Feynman diagram: hatched blob (effective vertex, form factor, hadronic part) # Circle of 1/2 inch diameter, hatched at 45 degrees. Keywords: feynman blob 6 300 300 900 900 1 3 0 2 0 7 40 -1 45 0.000 1 0.0000 600 600 300 300 600 600 900 600 -6 .