EP Seminar

Measurement of B<sub>s</sub> mixing parameters from B<sub>s</sub> → J/&psi φ decays at CDF and D∅

Name: Measurement of B s mixing parameters from B s → J/&psi φ decays at CDF and D∅
Start: 2008-03-18T16:30:00+01:00
End: 2008-03-18T17:30:00+01:00
Location: CERN

by Guillelmo Gomez-Ceballos (MIT)

Tuesday 18 Mar 2008, 16:30 → 17:30 Europe/Zurich

500/1-001 - Main Auditorium (CERN)

500/1-001 - Main Auditorium

CERN

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Description

CP violation in B⁰ and B⁺ decays has already been extensively investigated at the B-factories over the last years, while the corresponding knowlege in the B⁰_s system has been lacking so far. B⁰_s mesons are produced with large cross section at the Tevatron collider. Following the measurement of the B⁰_s to B⁰_s oscillation frequency in 2006, the D∅ and CDF experiments have now investigated CP asymmetries in B⁰_s meson decays. We report on the first flavor-tagged analyses from both experiments using B⁰_s decays to J/ψφ. This channel is sensitive not only to the width difference ΔΓ in the B⁰_s system but also to the (CP violating) weak phase β_s.

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Measurement of B<sub>s</sub> mixing parameters from B<sub>s</sub> &rarr; J/&psi &phi; decays at CDF and D&empty;

by Guillelmo Gomez-Ceballos (MIT)

500/1-001 - Main Auditorium

CERN

Measurement of B<sub>s</sub> mixing parameters from B<sub>s</sub> → J/&psi φ decays at CDF and D∅