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Bottom ; Mass

  1. Overview
  2. Top
  3. Bottom
    1. Life Time

    2. Mass

      Calibrated with J/ψ and J/ψππ (displaced μμ trigger)
      • Tracking Momentum
      • Energy Loss in Detectors
      • Alignments
      • Magnetic Field

      Mass with 70pb-1 in fully reconstructed B→J/ψX mode
          (no updates since JPS03Fall)
      • M(B+) = 5279.32 ± 0.68 ± 0.94 MeV
      • M(Bd) = 5280.30 ± 0.92 ± 0.96 MeV
      • M(Bs) = 5365.50 ± 1.29 ± 0.94 MeV ; World-Best
      • M(Λb) = 5620.4 ± 1.6 ± 1.2 MeV ; World-Best

    3. Branching Ratio
    4. CP violation and Mixing
yoshiaki.fujii@kek.jp, Mar.27,2004 at JPS Kyushu