{
  "version": 2,
  "title": "Four-point scalar vertex",
  "vertices": [
    {
      "id": "four-a",
      "x": 100,
      "y": 400,
      "label": "\\varphi_{a}",
      "labelX": -24,
      "labelY": 34,
      "visible": false,
      "marker": "none",
      "markerSize": 22
    },
    {
      "id": "four-b",
      "x": 100,
      "y": 80,
      "label": "\\varphi_{b}",
      "labelX": -24,
      "labelY": -30,
      "visible": false,
      "marker": "none",
      "markerSize": 22
    },
    {
      "id": "four-center",
      "x": 320,
      "y": 240,
      "label": "\\Gamma^{(4)}_{k,abcd}(p_{1},p_{2},p_{3},p_{4})",
      "labelX": 180,
      "labelY": 12,
      "visible": true,
      "marker": "hatched",
      "markerSize": 38
    },
    {
      "id": "four-c",
      "x": 540,
      "y": 80,
      "label": "\\varphi_{c}",
      "labelX": 24,
      "labelY": -30,
      "visible": false,
      "marker": "none",
      "markerSize": 22
    },
    {
      "id": "four-d",
      "x": 540,
      "y": 400,
      "label": "\\varphi_{d}",
      "labelX": 24,
      "labelY": 34,
      "visible": false,
      "marker": "none",
      "markerSize": 22
    }
  ],
  "edges": [
    {
      "id": "four-p1",
      "from": "four-a",
      "to": "four-center",
      "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": "p_{1}",
        "direction": "forward",
        "side": "right",
        "color": "#172333",
        "start": 0.18,
        "end": 0.72
      }
    },
    {
      "id": "four-p2",
      "from": "four-b",
      "to": "four-center",
      "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": "p_{2}",
        "direction": "forward",
        "side": "left",
        "color": "#172333",
        "start": 0.18,
        "end": 0.72
      }
    },
    {
      "id": "four-p3",
      "from": "four-c",
      "to": "four-center",
      "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": "p_{3}",
        "direction": "forward",
        "side": "right",
        "color": "#172333",
        "start": 0.18,
        "end": 0.72
      }
    },
    {
      "id": "four-p4",
      "from": "four-d",
      "to": "four-center",
      "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": "p_{4}",
        "direction": "forward",
        "side": "left",
        "color": "#172333",
        "start": 0.18,
        "end": 0.72
      }
    }
  ],
  "annotations": [],
  "style": {
    "widthMm": 120,
    "strokePt": 1,
    "fontPt": 12
  }
}