<record>
  <controlfield tag="001">4277</controlfield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Belle II </subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Vertex detector </subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Silicon strip detector</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">tracking</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">high-luminosity</subfield>
  </datafield>
</record>