[
 {
  "value": "0.75",
  "sigma": "0.206",
  "source": "ALPHA-g, Anderson et al., Nature 621, 716 (0.75 +/- 0.13 stat and syst +/- 0.16 simulation, added in quadrature)",
  "year": "2023",
  "provenance": "in house: the lab's properties notes section 3",
  "pooled": "yes"
 }
]