EP Seminar

CP violation and rare B decays at Belle

Name: CP violation and rare B decays at Belle
Start: 2001-09-18T16:30:00+02:00
End: 2001-09-18T17:30:00+02:00
Location: CERN

by Masashi Hazumi (Osaka University)

Tuesday 18 Sept 2001, 16:30 → 17:30 Europe/Zurich

500/1-001 - Main Auditorium (CERN)

500/1-001 - Main Auditorium

CERN

400

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Description

Recent results from the Belle experiment at the KEKB asymmetric-energy e⁺e^- collider are presented. After introducing the physics programme at Belle, we describe a measurement of the Standard Model CP violation parameter sin 2f₁ based on a 29.1fb^-1 data sample collected at the Upsilon (4S) resonance, which contains 31.3 million BBbar pairs. Our result, sin 2f₁ = 0.99 ± 0.14(stat) ± 0.06(syst), establishes CP violation in the neutral B meson system. Other new measurements of the branching fractions for rare B decays, especially FCNC modes, are also presented. Finally we will briefly mention future plans of the experiment.

Organiser(s): Jasper Kirkby / EP Division

Note: Tea & Coffee will be served at 16.00 hrs