<record>
  <controlfield tag="001">3364</controlfield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Dark sector</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Dark photon</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Leptophilic</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Feebly interacting particles</subfield>
  </datafield>
</record>