{
  "version": 2,
  "title": "Two-field loop",
  "vertices": [
    {
      "id": "loop-left-end",
      "x": 50,
      "y": 240,
      "label": "",
      "labelX": 0,
      "labelY": 32,
      "visible": false,
      "marker": "none",
      "markerSize": 22
    },
    {
      "id": "loop-left",
      "x": 190,
      "y": 240,
      "label": "",
      "labelX": 0,
      "labelY": 32,
      "visible": true,
      "marker": "dot",
      "markerSize": 22
    },
    {
      "id": "loop-right",
      "x": 530,
      "y": 240,
      "label": "",
      "labelX": 0,
      "labelY": 32,
      "visible": true,
      "marker": "dot",
      "markerSize": 22
    },
    {
      "id": "loop-right-end",
      "x": 670,
      "y": 240,
      "label": "",
      "labelX": 0,
      "labelY": 32,
      "visible": false,
      "marker": "none",
      "markerSize": 22
    }
  ],
  "edges": [
    {
      "id": "loop-in",
      "from": "loop-left-end",
      "to": "loop-left",
      "kind": "fermion",
      "label": "",
      "curvature": 0,
      "labelOffset": -25,
      "labelX": 0,
      "labelY": 0,
      "arrow": "none",
      "color": "#172333",
      "bundle": 1,
      "bundleSpacing": 14,
      "loopSize": 90,
      "loopAngle": -90,
      "circular": false,
      "momentum": {
        "label": "q_{0}",
        "direction": "forward",
        "side": "left",
        "color": "#162EB1",
        "start": 0.08,
        "end": 0.8
      }
    },
    {
      "id": "loop-upper",
      "from": "loop-left",
      "to": "loop-right",
      "kind": "fermion",
      "label": "m_{1}^{2}, \\gamma_{1}^{2}",
      "curvature": -100,
      "labelOffset": -34,
      "labelX": 0,
      "labelY": 0,
      "arrow": "none",
      "color": "#172333",
      "bundle": 1,
      "bundleSpacing": 14,
      "loopSize": 90,
      "loopAngle": -90,
      "circular": true,
      "momentum": {
        "label": "q_{0}",
        "direction": "forward",
        "side": "right",
        "color": "#162EB1",
        "start": 0.28,
        "end": 0.72
      }
    },
    {
      "id": "loop-lower",
      "from": "loop-left",
      "to": "loop-right",
      "kind": "fermion",
      "label": "m_{2}^{2}, \\gamma_{2}^{2}",
      "curvature": 100,
      "labelOffset": 34,
      "labelX": 0,
      "labelY": 0,
      "arrow": "none",
      "color": "#172333",
      "bundle": 1,
      "bundleSpacing": 14,
      "loopSize": 90,
      "loopAngle": -90,
      "circular": true
    },
    {
      "id": "loop-out",
      "from": "loop-right",
      "to": "loop-right-end",
      "kind": "fermion",
      "label": "",
      "curvature": 0,
      "labelOffset": -25,
      "labelX": 0,
      "labelY": 0,
      "arrow": "none",
      "color": "#172333",
      "bundle": 1,
      "bundleSpacing": 14,
      "loopSize": 90,
      "loopAngle": -90,
      "circular": false,
      "momentum": {
        "label": "q_{0}",
        "direction": "forward",
        "side": "left",
        "color": "#162EB1",
        "start": 0.2,
        "end": 0.92
      }
    }
  ],
  "annotations": [],
  "style": {
    "widthMm": 120,
    "strokePt": 1.2,
    "fontPt": 12
  }
}