22-26 October 2018
Hotel Intourist Kolomenskoye 4*
Europe/Moscow timezone

Recent results from the Belle experiment.

26 Oct 2018, 09:30
Alekseevskiy hall (Hotel Intourist Kolomenskoye 4*)

Alekseevskiy hall

Hotel Intourist Kolomenskoye 4*

Kashyrskoye shosse, 39B, Moscow, Russia, 115409
Plenary/section talk Particle physics Particle Physics


Boris Shwartz (Budker Institute of Nuclear Physics)


Recent results from the Belle experiment.
B.Shwartz for Belle collaboration,
Budker Institute of Nuclear Physics and Novosibirsk State University,
Novosibisrsk, Russia

Experiments at the KEKB ee energy-asymmetric collider with world highest luminosity, 2.11034cm-2s-1, continued with the Belle detector from 1999 to 2010. The total integrated luminosity collected in these experiments in the center-of-mass energy range within -meson family exceeded 1000 fb-1. The main target of the Belle experiment was to discover the CP-violation (CPV) in B meson decays and to measure its parameters. This goal was achieved in 2001 when the time dependent CP asymmetry was observed in the decay B0 J/ K0 decay. However, in addition to the main task, many other important results were obtained, including precise measurement of the CKM matrix unitarity triangle parameters, branching fractions of many B-meson decays, discovery of the new charmonia and bottomonia states including exotic ones. Important results were obtained for two-photon processes as well as for tau-lepton decays. Although the experiment runs were completed seven years ago the analysis of the data sample is still continuing. In this report I am going to review recent results of these analyses concentrating more on the leptonic and semi-leptonic B Decays.

Primary author

Boris Shwartz (Budker Institute of Nuclear Physics)

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