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Protophobic Fifth-Force Interpretation of the Observed Anomaly inBe8Nuclear Transitions

Feng, Jonathan L.; Fornal, Bartosz; Galon, Iftah; Gardner, Susan; Smolinsky, Jordan; Tait, Tim M. P; Tanedo, Philip


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  <identifier identifierType="URL">https://zenodo.org/record/1059042</identifier>
  <creators>
    <creator>
      <creatorName>Feng, Jonathan L.</creatorName>
      <givenName>Jonathan L.</givenName>
      <familyName>Feng</familyName>
    </creator>
    <creator>
      <creatorName>Fornal, Bartosz</creatorName>
      <givenName>Bartosz</givenName>
      <familyName>Fornal</familyName>
    </creator>
    <creator>
      <creatorName>Galon, Iftah</creatorName>
      <givenName>Iftah</givenName>
      <familyName>Galon</familyName>
    </creator>
    <creator>
      <creatorName>Gardner, Susan</creatorName>
      <givenName>Susan</givenName>
      <familyName>Gardner</familyName>
    </creator>
    <creator>
      <creatorName>Smolinsky, Jordan</creatorName>
      <givenName>Jordan</givenName>
      <familyName>Smolinsky</familyName>
    </creator>
    <creator>
      <creatorName>Tait, Tim M. P</creatorName>
      <givenName>Tim M. P</givenName>
      <familyName>Tait</familyName>
    </creator>
    <creator>
      <creatorName>Tanedo, Philip</creatorName>
      <givenName>Philip</givenName>
      <familyName>Tanedo</familyName>
    </creator>
  </creators>
  <titles>
    <title>Protophobic Fifth-Force Interpretation of the Observed Anomaly inBe8Nuclear Transitions</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2016</publicationYear>
  <dates>
    <date dateType="Issued">2016-08-11</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Other</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/1059042</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1103/physrevlett.117.071803</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">Recently a 6.8σ anomaly has been reported in the opening angle and invariant mass distributions of e+e- pairs produced in Be8 nuclear transitions. The data are explained by a 17 MeV vector gauge boson X that is produced in the decay of an excited state to the ground state, Be*8→Be8 X, and then decays through X→e+e-. The X boson mediates a fifth force with a characteristic range of 12 fm and has millicharged couplings to up and down quarks and electrons, and a proton coupling that is suppressed relative to neutrons. The protophobic X boson may also alleviate the current 3.6σ discrepancy between the predicted and measured values of the muon's anomalous magnetic moment.</description>
  </descriptions>
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