slides PDF - Theory Group
slides PDF - Theory Group
slides PDF - Theory Group
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B-decays<br />
Use non-relativistic QCD for b-quark with m b fixed from m Υ<br />
f Bs /f Bq<br />
Log- dependence on<br />
light quark mass<br />
m q/ m s<br />
f B = 216(22) MeV,<br />
C. Alexandrou, University of Cyprus PSI, December 18th 2007<br />
f Bs<br />
f B<br />
= 1.20(3)<br />
to be compared with experiment<br />
ICHEP 06: f B =229(36)(34)MeV<br />
Semileptonic B-decays<br />
B-->πlν
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