Measurement of the inclusive branching fractions for decays into D mesons via hadronic tagging

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Abstract

We report measurements of the absolute branching fractions,, and, where the latter is measured for the first time. The results are based on a 121.4 fb−1 data sample collected at the Υ(10860) resonance by the Belle detector at the KEKB asymmetric-energy e+e collider. We reconstruct one meson in events and measure yields of, D0, and D+ mesons in the rest of the event. We obtain,, and, where the first uncertainty is statistical and the second is systematic. Averaging with previous Belle measurements gives and. For the production fraction at the Υ(10860), we find.

Original languageEnglish
Article number114
JournalJournal of High Energy Physics
Volume2025
Issue number4
DOIs
StatePublished - Apr 2025

Keywords

  • B Physics
  • e-e Experiments

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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