Pair attenuation coefficient

{
  "id": "MLC-T-CHM-008419",
  "term": "Pair attenuation coefficient",
  "field": "Chemistry",
  "definition": "A measure of the probability that a photon will undergo pair production per unit thickness of a material. This coefficient quantifies the reduction in intensity of a photon beam due to the creation of an electron-positron pair. It is dependent on the photon energy and the atomic number of the absorbing material.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "attenuation coefficient",
    "pair production"
  ],
  "references": [
    "PAC, 1982, 54, 1533. 'Glossary of terms used in nuclear analytical chemistry (Provisional)' on page 1547 (https://doi.org/10.1351/pac198254081533)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/pair-attenuation-coefficient/"
}