6 Ağustos 2024 Dergi makalesi Açık Erişim

CERN İşbirliği

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/274829</identifier>
  <creators>
    <creator>
      <creatorName>CERN İşbirliği</creatorName>
      <affiliation>CERN</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Study Of ${E}^{+}{E}^{-}\To {\Pi }^{+}{\Pi }^{-}{\Pi }^{0}$ At $\Sqrt{S}$ From 2.00 To 3.08 Gev At Besiii</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2024</publicationYear>
  <dates>
    <date dateType="Issued">2024-08-06</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/274829</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1103/PhysRevD.110.032005</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">&lt;p&gt;With the data samples taken at center-of-mass energies from 2.00 to 3.08 GeV with the BESIII detector at the BEPCII collider, a partial wave analysis on the ${e}^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}{\pi }^{0}$ process is performed. The Born cross sections for ${e}^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}{\pi }^{0}$ and its intermediate processes ${e}^{+}{e}^{-}\to \rho \pi $ and $\rho \left(1450\right)\pi $ are measured as functions of $\sqrt{s}$. The results for ${e}^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}{\pi }^{0}$ are consistent with previous results measured with the initial state radiation method within one standard deviation, and improve the uncertainty by a factor of ten. By fitting the line shapes of the Born cross sections for the ${e}^{+}{e}^{-}\to \rho \pi $ and ${e}^{+}{e}^{-}\to \rho \left(1450\right)\pi $, a structure with mass $M=2119±11±15\text{}\text{}\mathrm{MeV}/{c}^{2}$ and width $\Gamma =69±30±5\text{}\text{}\mathrm{MeV}$ is observed with a significance of $5.9\sigma $, where the first uncertainties are statistical and the second ones are systematic. This structure can be interpreted as an excited $\omega $ state.&lt;/p&gt;</description>
  </descriptions>
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