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Unfortunately our usual server has crashed and we are working to recover the website. In the meanwhile we are also updating our analysis with the latest numbers out of EPS13 and Lattice13: the main update consists of new lattice averages, the latest gamma average obtained from all the B-factory and LHCb analyses and the inclusion of the B(s) to mumu in the fit and in the predictions. |
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| * compatibility plot for BR(Bd to ll): http://pprc.qmul.ac.uk/~bona/utfit/summer13/pull_BRbdll-summer13.eps |
Unfortunately our usual server has crashed and we are working to recover the website. In the meanwhile we are also updating our analysis with the latest numbers out of EPS13 and Lattice13: the main update consists of new lattice averages, the latest gamma average obtained 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 |