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Bibliographic Metadata

  • Title
    Bestimmung des elektroschwachen Mischungswinkels sin 2 Theta eff lept aus der Vorwärts-Rückwärts-Asymmetrie von c- und b-Quarks : Rekonstruktion von D-Meson-Zerfällen bei Energien im Bereich der Z-Resonanz / von Thomas W. Brenke
  • Participants
    Brenke, Thomas W.
  • Published
    Wuppertal : Fachbereich Physik, Berg. Univ., Gesamthochschule Wuppertal, 1999
  • Description
    1 Computerdatei (ca. 8,4 MB) : Auszüge (Titel, Abstract, Inhaltsverzeichnis, ca. 120 KB)
  • Institutional Note
    Zugl.: Wuppertal, Univ., Diss.
  • Language
    German
  • Document type
    Dissertation (PhD)
  • URN
    urn:nbn:de:hbz:468-20010216 
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  • English

    The forward-backward asymmetry of c- and b-quarks is determined from a combined analysis of several D meson decay modes. The analysis is based on the data taken with the Delphi detector at LEP in the years 1992 to 1995 at energies around the Z resonance. The heavy quark is tagged by the exclusive reconstruction of nine different D meson decay modes. Using a combined fit in the variables of the scaled energy of the D meson XE, a transformed btag variable Pev and the production angle Q cos θTh of the D meson a simultaneous determination of the forward-backward asymmetry of c- and b-quarks is performed.

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