Lifetime difference of Bs mesons - Theory status

Martin Beneke; Alexander Lenz

doi:10.1088/0954-3899/27/6/319

Lifetime difference of B_s mesons - Theory status

Martin Beneke
, Alexander Lenz

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

We give an update on the lifetime difference of B_s 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
Pages (from-to)	1219-1224
Number of pages	6
Journal	Journal of Physics G: Nuclear and Particle Physics
Volume	27
Issue number	6
DOIs	https://doi.org/10.1088/0954-3899/27/6/319
State	Published - Jun 2001
Externally published	Yes

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10.1088/0954-3899/27/6/319

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title = "Lifetime difference of Bs mesons - Theory status",

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.",

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AB - 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.

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JO - Journal of Physics G: Nuclear and Particle Physics

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Lifetime difference of B_s mesons - Theory status

Abstract

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