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Lifetime difference of $B_s$ mesons - Theory status | | Martin Beneke
; Alexander Lenz
; | | Date: |
18 Dec 2000 | | Journal: | J.Phys. G27 (2001) 1219-1224 | | Subject: | hep-ph | | Affiliation: | Aachen), Alexander Lenz (Regensburg | | Abstract: | We give an update on the lifetime difference of $B_s$ mesons which accounts for recent lattice bag parameter results, and obtain $(DeltaGamma/Gamma)_{B_s}=(9.3^{+3.4}_{-4.6})%$. We then review the current theoretical uncertainties and conclude with a pessimistic perspective on further improvements. | | Source: | arXiv, hep-ph/0012222 | | Services: | Forum | Review | PDF | Favorites | |
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