B_s Mixing and B Hadron Lifetimes at CDF

Details B_s Mixing and B Hadron Lifetimes at CDF B_s Mixing and B Hadron Lifetimes at CDF

2007-10-18

arxiv.org/abs/0710.3498v1

J.Phys.Conf.Ser.110:052038,2008

Physics

High Energy Physics

High Energy Physics - Experiment

submitted to EPS2007 proceedings

Scientific paper

10.1088/1742-6596/110/5/052038

We present the CDF results using 1.0 fb^{-1} of data on the mixing frequency
measurement in the B_s system and the lifetime measurements of several B
hadrons. We obtain \Delta m_s=17.77 +- 0.1 +- 0.07 ps^{-1} and
c\tau(\Lambda_b)=473.8 +- 23.1 +- 3.5 \mu m. The later one is more than 3 sigma
above the world average, but in reasonable agreement with HQE calculations.

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