Journal article Open Access

Evidence for New Isotopes of Element 107: B 266 h and B 267 h

Wilk, P. A.; Gregorich, K. E.; Türler, A.; Laue, C. A.; Eichler, R.; Ninov, V.; Adams, J. L.; Kirbach, U. W.; Lane, M. R.; Lee, D. M.; Patin, J. B.; Shaughnessy, D. A.; Strellis, D. A.; Nitsche, H.; Hoffman, D. C.


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      <creatorName>Adams, J. L.</creatorName>
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      <creatorName>Kirbach, U. W.</creatorName>
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      <creatorName>Lane, M. R.</creatorName>
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      <creatorName>Lee, D. M.</creatorName>
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      <familyName>Lee</familyName>
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    <creator>
      <creatorName>Patin, J. B.</creatorName>
      <givenName>J. B.</givenName>
      <familyName>Patin</familyName>
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      <creatorName>Shaughnessy, D. A.</creatorName>
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      <creatorName>Strellis, D. A.</creatorName>
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      <creatorName>Nitsche, H.</creatorName>
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      <familyName>Nitsche</familyName>
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      <creatorName>Hoffman, D. C.</creatorName>
      <givenName>D. C.</givenName>
      <familyName>Hoffman</familyName>
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  <titles>
    <title>Evidence for New Isotopes of Element 107: B 266 h and B 267 h</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2000</publicationYear>
  <dates>
    <date dateType="Issued">2000-09-25</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/1233933</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1103/physrevlett.85.2697</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://creativecommons.org/publicdomain/zero/1.0/legalcode">Creative Commons Zero v1.0 Universal</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">New neutron rich isotopes 107267Bh and 107266Bh were produced in bombardments of a 249Bk target with 117-MeV and 123-MeV 22Ne ions at the Lawrence Berkeley National Laboratory 88-Inch Cyclotron. Identification was made by observation of correlated α-particle decays between the Bh isotopes and their Db and Lr daughters using a rotating wheel system. 267Bh was produced with a cross section of ≈70 pb and decays with a 17−6+14 s half life by emission of α particles with an average energy of 8.83±0.03 MeV. One atom of 266Bh was observed, decaying within 1 s by emission of a 9.29-MeV α particle.</description>
  </descriptions>
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