Since the discovery of the first charmed meson in 1976, many open-charm and open-bottom
hadrons were observed. In 2003 two narrow charm-strange states $ D_ {s0}^{\ast}(2317) $

The study of lepton flavor universality violation (LFUV) in semitauonic b-hadron decays has
become increasingly important in light of long-standing anomalies in their measured …

The branching fraction ratio R (D*)≡ B (B¯ 0→ D*+ τ-ν¯ τ)/B (B¯ 0→ D*+ μ-ν¯ μ) is
measured using a sample of proton-proton collision data corresponding to 3.0 fb-1 of …

With the full data sample of 772× 10 6 BB¯ pairs recorded by the Belle detector at the KEKB
electron-positron collider, the decay B¯→ D* τ-ν¯ τ is studied with the hadronic τ decays τ-→ …

We report a measurement of the ratio R (D*)= B (B¯ 0→ D*+ τ-ν¯ τ)/B (B¯ 0→ D*+ ℓ-ν¯ ℓ),
where ℓ denotes an electron or a muon. The results are based on a data sample containing …

We report a measurement of the branching fraction ratios R (D (*)) of B¯→ D (*) τ-ν¯ τ
relative to B¯→ D (*) ℓ-ν¯ ℓ (where ℓ= e or μ) using the full Belle data sample of 772× 10 6 …

The experimental results on the ratios of branching fractions R (D)= B (B¯→ D τ-ν¯ τ)/B
(B¯→ D ℓ-ν¯ ℓ) and R (D*)= B (B¯→ D* τ-ν¯ τ)/B (B¯→ D* ℓ-ν¯ ℓ), where ℓ denotes an …

Motivated by the success of the flavour physics programme carried out over the last decade
at the Large Hadron Collider (LHC), we characterize in detail the physics potential of its High …

Based on the full BABAR data sample, we report improved measurements of the ratios R
(D)= B (B¯→ D τ-ν¯ τ)/B (B¯→ D ℓ-ν¯ ℓ) and R (D*)= B (B¯→ D* τ-ν¯ τ)/B (B¯→ D* ℓ-ν¯ ℓ) …

The inspiration for this book came from François le Diberder. During his term as
spokesperson for B 八 B 八 R he laid down a vision for the two B Factory detector …