Measurements of B hadron lifetimes at CDF

Details Measurements of B hadron lifetimes at CDF Measurements of B hadron lifetimes at CDF

2008-10-21

arxiv.org/abs/0810.3758v2

Physics

High Energy Physics

High Energy Physics - Experiment

Parallel talk at ICHEP08, Philadelphia, USA, July 2008. 5 pages, 8 figures

Scientific paper

Using data samples in excess of 1 fb^-1 collected by the CDF II detector we present several world's best measurements of B hadron lifetimes. They include B_s meson lifetime in a flavor-specific decay mode, combining fully and partially reconstructed hadronic decays, B_c^+ meson lifetimes in semileptonic B_c^+ -> J/psi l+ X, l+=mu+,e+ decays and Lambda_b baryon lifetime in Lambda_c^+ pi- fully-reconstructed decays. In addition, we introduce a Monte Carlo independent technique for measuring B hadron lifetimes in data samples biased by displaced vertex triggers.

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