CKMfitter global fit results as of ICHEP 10:
UT angles and sides:
UTs apex and angle:
CKM elements:
Theory parameters:
Rare branching fractions (B→lν, B→ll):
The inputs for the global fit (pdf) and lattice averages (pdf)
- Wolfenstein parameters
- UT angles and sides
- UTsangle and apex
- CKM elements
- Theory parameters
- Rare branching fractions (B→lν, B→ll)
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
A | 0.812 [+0.013 -0.027] | 0.812 [+0.023 -0.036] | 0.812 [+0.032 -0.044] |
λ | 0.22543 [+0.00077 -0.00077] | 0.2254 [+0.0015 -0.0015] | 0.2254 [+0.0023 -0.0023] |
ρbar | 0.144 [+0.025 -0.025] | 0.144 [+0.048 -0.036] | 0.144 [+0.061 -0.045] |
ηbar | 0.342 [+0.016 -0.015] | 0.342 [+0.032 -0.027] | 0.342 [+0.047 -0.037] |
J [10-5] | 2.96 [+0.18 -0.17] | 2.96 [+0.33 -0.21] | 2.96 [+0.48 -0.26] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
sin 2α | -0.04 [+0.14 -0.14] | -0.04 [+0.20 -0.26] | -0.04 [+0.25 -0.33] |
sin 2α (meas. not in the fit) | -0.257 [+0.278 -0.052] | -0.26 [+0.41 -0.10] | -0.26 [+0.48 -0.15] |
sin 2β | 0.689 [+0.023 -0.021] | 0.689 [+0.046 -0.035] | 0.689 [+0.068 -0.048] |
sin 2β (meas. not in the fit) | 0.830 [+0.013 -0.034] | 0.830 [+0.026 -0.099] | 0.830 [+0.038 -0.170] |
|sin (2β+γ)| | 0.935 [+0.023 -0.029] | 0.935 [+0.040 -0.047] | 0.935 [+0.049 -0.065] |
α [deg] | 91.0 [+3.9 -3.9] | 91.0 [+7.5 -5.6] | 91.0 [+9.6 -7.2] |
α [deg] (meas. not in the fit) | 97.5 [+1.6 -8.1] | 97.5 [+3.0 -12.0] | 97.5 [+4.5 -13.8] |
α [deg] (dir. meas.) | 89.0 [+4.4 -4.2] | 89.0 [+9.1 -8.3] || 178.3 [+1.7 -5.6] || 0 [+5 -0] | 89 [+21 -13] || 178.3 [+1.7 -13.8] || 0 [+12 -0] |
β [deg] | 21.76 [+0.92 -0.82] | 21.8 [+1.9 -1.4] | 21.8 [+2.8 -1.9] |
β [deg] (meas. not in the fit) | 28.07 [+0.69 -1.69] | 28.1 [+1.4 -4.6] | 28.1 [+2.1 -7.4] |
β [deg] (dir. meas.) | 21.15 [+0.90 -0.88] | 21.1 [+1.8 -1.7] | 21.1 [+2.8 -2.6] |
γ [deg] | 67.2 [+3.9 -3.9] | 67.2 [+5.4 -7.4] | 67.2 [+6.9 -9.1] |
γ [deg] (meas. not in the fit) | 67.2 [+3.9 -3.9] | 67.2 [+5.4 -7.4] | 67.2 [+6.9 -9.2] |
γ [deg] (dir. meas.) | 71 [+21 -25] | 71 [+33 -35] | 71 [+46 -45] |
Ru | 0.371 [+0.015 -0.013] | 0.371 [+0.030 -0.022] | 0.371 [+0.045 -0.030] |
Rt | 0.922 [+0.025 -0.026] | 0.922 [+0.035 -0.048] | 0.922 [+0.045 -0.060] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
ρsbar | -0.0077 [+0.0014 -0.0014] | -0.0077 [+0.0019 -0.0026] | -0.0077 [+0.0025 -0.0033] |
ηsbar | -0.01831 [+0.00083 -0.00087] | -0.0183 [+0.0015 -0.0017] | -0.0183 [+0.0020 -0.0025] |
βs ≡ − arg(−Vcs V*cb/Vts V*tb) [rad] | 0.01817 [+0.00087 -0.00083] | 0.0182 [+0.0017 -0.0015] | 0.0182 [+0.0025 -0.0020] |
sin 2βs | 0.0363 [+0.0017 -0.0017] | 0.0363 [+0.0034 -0.0029] | 0.0363 [+0.0050 -0.0040] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
|Vud| | 0.97425 [+0.00018 -0.00018] | 0.97425 [+0.00035 -0.00036] | 0.97425 [+0.00053 -0.00053] |
|Vus| | 0.22543 [+0.00077 -0.00077] | 0.2254 [+0.0015 -0.0015] | 0.2254 [+0.0023 -0.0023] |
|Vub| | 0.00354 [+0.00016 -0.00014] | 0.00354 [+0.00031 -0.00022] | 0.00354 [+0.00047 -0.00029] |
|Vcd| | 0.22529 [+0.00077 -0.00077] | 0.2253 [+0.0015 -0.0015] | 0.2253 [+0.0023 -0.0023] |
|Vcs| | 0.97342 [+0.00021 -0.00019] | 0.97342 [+0.00039 -0.00036] | 0.97342 [+0.00056 -0.00054] |
|Vcb| | 0.04128 [+0.00058 -0.00129] | 0.04128 [+0.00096 -0.00162] | 0.0413 [+0.0013 -0.0019] |
|Vtd| | 0.00858 [+0.00030 -0.00034] | 0.00858 [+0.00043 -0.00051] | 0.00858 [+0.00055 -0.00064] |
|Vts| | 0.04054 [+0.00057 -0.00129] | 0.04054 [+0.00095 -0.00163] | 0.0405 [+0.0013 -0.0019] |
|Vtb| | 0.999141 [+0.000053 -0.000024] | 0.999141 [+0.000066 -0.000040 | 0.999141 [+0.000078 -0.000057] |
|Vud| (meas. not in the fit) | 0.97426 [+0.00030 -0.00030] | 0.97426 [+0.00060 -0.00061] | 0.97426 [+0.00089 -0.00091] |
|Vus| (meas. not in the fit) | 0.22545 [+0.00095 -0.00095] | 0.2254 [+0.0019 -0.0019] | 0.2254 [+0.0028 -0.0029] |
|Vub| (meas. not in the fit) | 0.00354 [+0.00016 -0.00020] | 0.00354 [+0.00031 -0.00031] | 0.00354 [+0.00047 -0.00041] |
|Vcb| (meas. not in the fit) | 0.04532 [+0.00093 -0.00560] | 0.0453 [+0.0015 -0.0061] | 0.0453 [+0.0021 -0.0066] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
Δmd [ps-1] (meas. not in the fit) | 0.560 [+0.054 -0.061] | 0.560 [+0.095 -0.116] | 0.56 [+0.14 -0.16] |
Δms [ps-1] (meas. not in the fit) | 17.9 [+2.0 -2.1] | 17.9 [+3.3 -3.5] | 17.9 [+4.5 -4.5] |
εK [10-3] (meas. not in the fit) | 2.01 [+0.59 -0.66] | 2.01 [+0.74 -0.74] | 2.01 [+0.89 -0.81] |
mc [GeV/c2] (meas. not in the fit) | 1.51 [+0.54 -0.54] | 1.51 [+0.62 -0.71] | 1.51 [+0.68 -0.89] |
mt [GeV/c2] (meas. not in the fit) | 153.5 [+9.0 -6.9] | 153 [+32 -10] | 153 [+52 -13] |
BK (lattice value not in the fit) | 0.83 [+0.26 -0.15] | 0.83 [+0.33 -0.19] | 0.83 [+0.39 -0.22] |
ξSU(3) (lattice value not in the fit) | 1.195 [+0.053 -0.044] | 1.20 [+0.11 -0.10] | 1.20 [+0.16 -0.15] |
fBs [GeV] (lattice value not in the fit) | 0.2358 [+0.0088 -0.0089] | 0.236 [+0.012 -0.013] | 0.236 [+0.015 -0.016] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
B(B+→τν) [10-4] | 0.861 [+0.101 -0.095] | 0.86 [+0.18 -0.17] | 0.86 [+0.27 -0.21] |
B(B+→τν) [10-4] (meas. not in the fit) | 0.763 [+0.114 -0.061] | 0.763 [+0.216 -0.096] | 0.76 [+0.31 -0.13] |
B(B+→μν) [10-6] | 0.387 [+0.045 -0.043] | 0.387 [+0.083 -0.075] | 0.387 [+0.122 -0.093] |
B(B+→eν) [10-11] | 0.91 [+0.11 -0.10] | 0.91 [+0.19 -0.18] | 0.91 [+0.29 -0.22] |
B(B→e+e-) [10-15] | 2.310 [+0.060 -0.157] | 2.31 [+0.12 -0.32] | 2.31 [+0.18 -0.37] |
B(B→μ+μ-) [10-11] | 9.87 [+0.25 -0.67] | 9.87 [+0.50 -1.35] | 9.87 [+0.75 -1.58] |
B(Bs→e+e-) [10-14] | 7.19 [+0.16 -0.44] | 7.19 [+0.32 -0.62] | 7.19 [+0.48 -0.76] |
B(Bs→μ+μ-) [10-9] | 3.073 [+0.070 -0.190] | 3.07 [+0.14 -0.27] | 3.07 [+0.20 -0.33] |