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Measurement of Bs mixing phase at CDF

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Kreps, Michal (2010) Measurement of Bs mixing phase at CDF. In: 6th International Workshop on the CKM Unitarity Triangle, CKM 2010, Coventry, United Kingdom, 6-10 Sept 2010. Published in: Proceedings of the 6th International Workshop on the CKM Unitarity Triangle, CKM 2010

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Official URL: http://www.slac.stanford.edu/econf/C100906/

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Abstract

We present improved bounds on the CP-violating phase β s J/Ψφ and on the decay-width difference ΔΓ of the neutral B s 0 meson system obtained by the CDF experiment at the Tevatron collider. We use 6500 B s 0 → J/ Ψφ decays collected by the dimuon trigger and reconstructed in a sample corresponding to integrated luminosity of 5.2 fb -1. Besides exploiting a two-fold increase in statistics with respect to the previous measurement, several improvements have been introduced in the analysis including a fully data-driven flavour-tagging calibration and proper treatment of possible S-wave contributions.

Item Type: Conference Item (Paper)
Divisions: Faculty of Science > Physics
Journal or Publication Title: Proceedings of the 6th International Workshop on the CKM Unitarity Triangle, CKM 2010
Official Date: 2010
Dates:
DateEvent
2010Published
Status: Peer Reviewed
Publication Status: Published
Conference Paper Type: Paper
Title of Event: 6th International Workshop on the CKM Unitarity Triangle, CKM 2010
Type of Event: Workshop
Location of Event: Coventry, United Kingdom
Date(s) of Event: 6-10 Sept 2010
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Open Access Version:
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