Unfortunately our usual server has crashed and we are working to recover the website from all the B-factory and LHCb analyses and the inclusion of the B(s) to mumu in the fit and in the predictions.
Post EPS13 updates
SM update
- Standard Model fit updates:
rhobar-etabar plane with all the constraints: http://pprc.qmul.ac.uk/~bona/utfit/summer13/all-summer13.eps
compatibility plot for BK: http://pprc.qmul.ac.uk/~bona/utfit/summer13/pull_Bk-summer13.eps
and the rhobar-etabar plane without using BK as input: http://pprc.qmul.ac.uk/~bona/utfit/summer13/all_nobk-summer13.eps
compatibility plot for BR(Bs to ll): http://pprc.qmul.ac.uk/~bona/utfit/summer13/pull_BRbsll-summer13.eps
compatibility plot for BR(Bd to ll): http://pprc.qmul.ac.uk/~bona/utfit/summer13/pull_BRbdll-summer13.eps
compatibility plot for Vub: http://pprc.qmul.ac.uk/~bona/utfit/summer13/pull_Vub-summer13.eps
compatibility plot for Vcb: http://pprc.qmul.ac.uk/~bona/utfit/summer13/pull_Vcb-summer13.eps
sin2beta with inclusive and exclusive only: http://pprc.qmul.ac.uk/~bona/utfit/summer13/sin2beta-summer13.eps
SM results |
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Parameter |
Input value |
Full fit |
SM Prediction |
rhobar |
-- |
0.160 +/- 0.015 |
-- |
etabar |
-- |
0.345 +/- 0.013 |
-- |
rho |
-- |
0.164 +/- 0.015 |
-- |
eta |
-- |
0.354 +/- 0.013 |
-- |
A |
-- |
0.83 +/- 0.012 |
-- |
#Lambda |
0.2253 +/- 0.0009 |
0.2253 +/- 0.0006 |
-- |
Vub |
0.00375 +/- 0.00046 |
0.00371 +/- 0.00012 |
0.00372 +/- 0.00013 |
Vcb |
0.0409 +/- 0.001$ |
0.04218 +/- 0.00052 |
0.04265 +/- 0.00065 |
sin\theta12 |
-- |
0.22535 +/- 0.00065 |
-- |
sin\theta23 |
-- |
0.04218 +/- 0.00053 |
-- |
sin\theta13 |
-- |
0.00371 +/- 0.00012 |
-- |
delta [deg] |
-- |
65.1 +/- 2.0 |
-- |
mt [GeV/c2] |
164.1 +/- 0.9 |
164.15 +/- 0.85 |
169 +/- 9 |
Delta ms [ps^{-1}] |
17.72 -/- 0.04 |
17.72 +/- 0.04 |
16.92 +/- 0.99 |
Delta md [ps^{-1}] |
0.507 +/- 0.004 |
-- |
-- |
Delta mK [ps^{-1}] |
1.8 \pm 1.8 |
-- |
-- |
f_{Bs} |
0.2277 +/- 0.0045 |
0.2271 +/- 0.0037 |
0.2275 +/- 0.0065 |
f_{Bs}/f_{Bd} |
1.202 +/- 0.022 |
1.214 +/- 0.018 |
1.23 +/- 0.19 |
B_{Bs}/B_{Bd} |
1.006 +/- 0.011 |
1.009 +/- 0.011 |
1.125 +/- 0.315 |
B_{Bs} |
0.875 +/- 0.040 |
0.86 +/- 0.029 |
0.72 +/- 0.24 |
B_K |
0.766 +/- 0.011 |
0.769 +/- 0.011 |
0.871 +/- 0.074 |
alpha [deg] |
90.7 +/- 7.4 |
92.4 +/- 2.1 |
92.5 +/- 2.3 |
beta [deg] |
-- |
22.34 +/- 0.86 |
25.1 +/- 1.7 |
sin(2beta) |
0.680 +/- 0.023 |
0.703 +/- 0.021 |
0.770 +/- 0.038 |
cos(2beta) |
0.87 +/- 0.13 |
0.711 +/- 0.021 |
0.641 +/- 0.045 |
2\beta+\gamma [deg] |
-90 +/- 54 and 90 +/- 54 |
110.0 +/- 2.5 |
110.1 +/- 2.5 |
gamma [deg] |
-111.0 +/- 7.4 and 69.7 +/- 7.0 |
65.1 +/- 2.0 |
64.8 +/- 2.1 |
epsilonK |
0.002228 +/- 1.1 10{-5} |
0.00222655 +/- 1.0978 10{-5} |
-- |
BR(B ->taunu) [10{-4}] |
1.14 +/- 0.22 |
0.847 +/- 0.073 |
0.814 +/- 0.072 |
Jcp [10{-5}] |
-- |
3.119 +/- 0.091 |
-- |
BR(Bs -> ll) [10{-9}] |
-- |
3.43 +/- 0.25 |
3.34 +/- 0.12 |