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Mixing and lifetimes of b‐hadrons.

Lenz, Alexander J. (2008) 'Mixing and lifetimes of b‐hadrons.', AIP conference proceedings., 1026 . pp. 36-47.


We review the status of mixing and lifetimes of b‐hadrons. We will show that ΔΓ/ΔM, asl and φ are better suited to search for new physics effects than ΔM alone, because of our poor knowledge of the decay constants. The theoretical precision in the determination of Γ12/M12 —which contains all information on ΔΓ/ΔM, asl and φ—can be tested directly by investigating the lifetimes of b‐hadrons, because both quantities rely on the same theoretical footing. In particular we will also present a numerical estimate for the lifetime of the Ξb ‐baryon.

Item Type:Article
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Publisher statement:© 2008 American Institute of Physics
Date accepted:No date available
Date deposited:18 March 2015
Date of first online publication:July 2008
Date first made open access:No date available

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