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 language | English |
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Pages (from-to) | 1219-1224 |
Number of pages | 6 |
Journal | Journal of Physics G: Nuclear and Particle Physics |
Volume | 27 |
Issue number | 6 |
DOIs | |
State | Published - Jun 2001 |
Externally published | Yes |