Lifetime difference of Bs mesons - Theory status

Martin Beneke, Alexander Lenz

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

We give an update on the lifetime difference of Bs mesons which accounts for recent lattice bag parameter results, and obtain (ΔΓ/Γ)Bs = (9.3+3.4-4.6)%. We then review the current theoretical uncertainties and conclude with a pessimistic perspective on further improvements.

Original languageEnglish
Pages (from-to)1219-1224
Number of pages6
JournalJournal of Physics G: Nuclear and Particle Physics
Volume27
Issue number6
DOIs
StatePublished - Jun 2001
Externally publishedYes

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