Recent results from the Belle experiment

Abstract

We review recent results from the Belle experiment, which took data at the KEKB asymmetric-energy e+e- collider in Japan. The experiment recorded about 1000 fb^{-1} of data running mainly at the Υ(4S) and Υ(5S) resonances. The results presented here are obtained from the full data set.

arXiv comment7 pages, 2 figures, 1 table, contribution to the XIIth International Conference on Beauty, Charm, and Hyperons in Hadronic Interactions (BEACH 2016)

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• Measurement of the branching ratio of $\bar{B}\to D^{(\ast )}{\tau }^{-}{\bar{\nu }}_{\tau }$ relative to $\bar{B}\to D^{(\ast )}{\ell }^{-}{\bar{\nu }}_{\ell }$ decays with hadronic tagging at Belle
• Measurement of the ratio of branching fractions $\mathcal{B}({\overline{B}}^0\to D^{\ast +}{\tau }^{-}{\overline{\nu }}_{\tau })/\mathcal{B}({\overline{B}}^0\to D^{\ast +}{\mu }^{-}{\overline{\nu }}_{\mu })$
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• Testing leptoquark models in $\bar{B}\to D^{(\ast )}\tau \bar{\nu }$
• Optimizing the basis of B->K*ll observables in the full kinematic range
• Charmless non-leptonic B_s decays to PP, PV and VV final states in the pQCD approach
• Implications from clean observables for the binned analysis of B -> K*ll at large recoil
• Differential branching fraction and angular analysis of the decay $B^0\to K^{\ast 0}{\mu }^{+}{\mu }^{-}$
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• Angular analysis of $B^0\to K^{\ast }(892{)}^0{\ell }^{+}{\ell }^{-}$
• Updating B --> PP, VP decays in the framework of flavor symmetry
• Shedding light on CP violation in the charm system via D to V gamma decays
• Precise measurement of the branching fractions for Bs->Ds(*)+ Ds(*)- and first measurement of the Ds*+ Ds*- polarization using e+e- collisions
• A Combined Fit on the Annihilation Corrections in $B_{u,d,s}$ $\to$ $PP$ Decays Within QCDF
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• Measurement of the Branching Fractions of the Radiative Charm Decays $D^0\to {\bar{K}}^{\ast 0}\gamma$ and $D^0\to \varphi \gamma$
• Rescattering effects in charmless B_{u,d,s} to P P decays
• Observation of Radiative Decay $D^0\to \varphi \gamma$
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