B0 Mixing (1)
Mass Splitting:
fB = B0 decay constant = 180 40
BB = Bag factor = 1.0 0.15
= perturbative QCD = 0.55 0.01
F = known function of t,W masses
CKM Parameters ( Wolfenstein):
|Vts | 2 ~ ( Vcb , ~ 8 % )
|Vtd |2 ~ CP
(fBd 2BBd ) ~ 30 % error !
Use the ratio:
< 10 % error !
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