#FIG 3.2 Produced by RustFig #encoding: UTF-8 Landscape Center Inches Letter 100.00 Single -2 1200 2 # Feynman diagram: scalar line, half circle on a chord of 1 inch (loops, self-energy) # Ends on the 1/4-inch grid. Keywords: feynman loop particle physics 6 300 300 1500 900 5 1 1 2 0 7 50 -1 -1 6.000 0 0 0 0 900.000 900.000 300 900 900 300 1500 900 -6