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First observation of the Cabibbo-suppressed decays Xi(+)(c)->Sigma(+)pi(-)pi(+) and Xi(+)(c)->Sigma(-)pi(+)pi(+) and measurement of their branching ratios

Vazquez-Jauregui, E.; Engelfried, J.; Akgun, U.; Alkhazov, G.; Amaro-Reyes, J.; Atamantchouk, A. G.; Ayan, A. S.; Balatz, M. Y.; Blanco-Covarrubias, A.; Bondar, N. F.; Cooper, P. S.; Dauwe, L. J.; Davidenko, G. V.; Dersch, U.; Dolgolenko, A. G.; Dzyubenko, G. B.; Edelstein, R.; Emediato, L.; Endler, A. M. F.; Eschrich, I.; Eschrich, I.


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      <creatorName>Vazquez-Jauregui, E.</creatorName>
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      <affiliation>Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico</affiliation>
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      <creatorName>Engelfried, J.</creatorName>
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      <affiliation>Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico</affiliation>
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      <creatorName>Akgun, U.</creatorName>
      <givenName>U.</givenName>
      <familyName>Akgun</familyName>
      <affiliation>Univ Iowa, Iowa City, IA 52242 USA</affiliation>
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      <creatorName>Alkhazov, G.</creatorName>
      <givenName>G.</givenName>
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      <affiliation>Petersburg Nucl Phys Inst, St Petersburg, Russia</affiliation>
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      <creatorName>Amaro-Reyes, J.</creatorName>
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      <familyName>Amaro-Reyes</familyName>
      <affiliation>Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico</affiliation>
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      <creatorName>Atamantchouk, A. G.</creatorName>
      <givenName>A. G.</givenName>
      <familyName>Atamantchouk</familyName>
      <affiliation>Petersburg Nucl Phys Inst, St Petersburg, Russia</affiliation>
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      <creatorName>Ayan, A. S.</creatorName>
      <givenName>A. S.</givenName>
      <familyName>Ayan</familyName>
      <affiliation>Univ Iowa, Iowa City, IA 52242 USA</affiliation>
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      <creatorName>Balatz, M. Y.</creatorName>
      <givenName>M. Y.</givenName>
      <familyName>Balatz</familyName>
      <affiliation>Inst Theoret &amp; Expt Phys, Moscow 117259, Russia</affiliation>
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      <creatorName>Blanco-Covarrubias, A.</creatorName>
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      <familyName>Blanco-Covarrubias</familyName>
      <affiliation>Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico</affiliation>
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      <creatorName>Bondar, N. F.</creatorName>
      <givenName>N. F.</givenName>
      <familyName>Bondar</familyName>
      <affiliation>Petersburg Nucl Phys Inst, St Petersburg, Russia</affiliation>
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      <creatorName>Cooper, P. S.</creatorName>
      <givenName>P. S.</givenName>
      <familyName>Cooper</familyName>
      <affiliation>Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA</affiliation>
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      <creatorName>Dauwe, L. J.</creatorName>
      <givenName>L. J.</givenName>
      <familyName>Dauwe</familyName>
      <affiliation>Univ Michigan, Flint, MI 48502 USA</affiliation>
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      <creatorName>Davidenko, G. V.</creatorName>
      <givenName>G. V.</givenName>
      <familyName>Davidenko</familyName>
      <affiliation>Inst Theoret &amp; Expt Phys, Moscow 117259, Russia</affiliation>
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      <creatorName>Dersch, U.</creatorName>
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      <affiliation>Max Planck Inst Kernphys, D-69117 Heidelberg, Germany</affiliation>
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      <creatorName>Dolgolenko, A. G.</creatorName>
      <givenName>A. G.</givenName>
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      <affiliation>Inst Theoret &amp; Expt Phys, Moscow 117259, Russia</affiliation>
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      <creatorName>Dzyubenko, G. B.</creatorName>
      <givenName>G. B.</givenName>
      <familyName>Dzyubenko</familyName>
      <affiliation>Inst Theoret &amp; Expt Phys, Moscow 117259, Russia</affiliation>
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    <creator>
      <creatorName>Edelstein, R.</creatorName>
      <givenName>R.</givenName>
      <familyName>Edelstein</familyName>
      <affiliation>Carnegie Mellon Univ, Pittsburgh, PA 15213 USA</affiliation>
    </creator>
    <creator>
      <creatorName>Emediato, L.</creatorName>
      <givenName>L.</givenName>
      <familyName>Emediato</familyName>
      <affiliation>Univ Sao Paulo, Sao Paulo, Brazil</affiliation>
    </creator>
    <creator>
      <creatorName>Endler, A. M. F.</creatorName>
      <givenName>A. M. F.</givenName>
      <familyName>Endler</familyName>
      <affiliation>Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil</affiliation>
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    <creator>
      <creatorName>Eschrich, I.</creatorName>
      <givenName>I.</givenName>
      <familyName>Eschrich</familyName>
      <affiliation>Max Planck Inst Kernphys, D-69117 Heidelberg, Germany</affiliation>
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      <creatorName>Eschrich, I.</creatorName>
      <givenName>I.</givenName>
      <familyName>Eschrich</familyName>
      <affiliation>Max Planck Inst Kernphys, D-69117 Heidelberg, Germany</affiliation>
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  <titles>
    <title>First Observation Of The Cabibbo-Suppressed Decays Xi(+)(C)-&gt;Sigma(+)Pi(-)Pi(+) And Xi(+)(C)-&gt;Sigma(-)Pi(+)Pi(+) And Measurement Of Their Branching Ratios</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2008</publicationYear>
  <dates>
    <date dateType="Issued">2008-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/37887</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1016/j.physletb.2008.07.072</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">We report the first observation of two Cabibbo-suppressed ecay modes, Xi(+)(c) -&amp;gt; Sigma(+)pi(-)pi(+) and Xi c+ -&amp;gt; Sigma(-)pi(+)pi(+). We observe 59 +/- 14 over a background of 87, and 22 +/- 8 over a background of 13 events, respectively, for the signals. The data were accumulated using the SELEX spectrometer during the 1996-1997 fixed target run at Fermilab, chiefly from a 600 Gev/c Sigma(-) beam. The branching ratios of the decays relative to the Cabibbo-favored Xi c+ -&amp;gt; Xi(-)pi(+)pi(+) are measured to be B(Xi(+)(c) -&amp;gt; Sigma(+)pi(-)pi(+))/B(Xi(+)(c) -&amp;gt; Xi(-)pi(+)pi(+)) = 0.48 +/- 0.20, and B(Xi(+)(c) -&amp;gt; Sigma(-)pi(+)pi(+))/B(Xi(+)(c) -&amp;gt; Sigma(-)pi(+)pi(+)) = 0.18 +/- 0.09, respectively. We also report branching ratios for the same decay modes of the Delta(+)(c) relative to Delta(+)(c) -&amp;gt; pK(-)pi(+.) (C) 2008 Elsevier B.V. All rights reserved.</description>
  </descriptions>
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