<record>
  <controlfield tag="001">1481</controlfield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">vertex detector</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">alignment</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">weak modes</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">B lifetime</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">B-Bbar mixing</subfield>
  </datafield>
</record>