Test of lepton flavor universality with a measurement of R ( D ) using hadronic B tagging at the Belle II experiment
The ratio of branching fractions R ( D * ) = B ( B ¯ → D * τ − ν ¯ τ ) / B ( B ¯ → D * ℓ − ν ¯ ℓ ) , where ℓ is an electron or muon, is measured using a Belle II data sample with an integrated luminosity of 189 fb − 1 at the SuperKEKB asymmetric-energy e + e − collider. Data is collected at the...
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Veröffentlicht in: | Physical review. D 2024-10, Vol.110 (7), Article 072020 |
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Format: | Artikel |
Sprache: | eng |
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