CKMfitter global fit results as of Summer 16:
UT angles and sides:
UTs apex and angle:
CKM elements:
Input parameters:
Decay branching fractions :
- Wolfenstein parameters
- UT angles and sides
- UTsangle and apex
- CKM elements
- Input parameters
- Decay branching fractions
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
A | 0.8250 [+0.0071 -0.0111] | 0.825 [+0.014 -0.027] | 0.825 [+0.020 -0.037] |
λ | 0.22509 [+0.00029 -0.00028] | 0.22509 [+0.00059 -0.00058] | 0.22509 [+0.00091 -0.00071] |
ρbar | 0.1598 [+0.0076 -0.0072] | 0.160 [+0.024 -0.014] | 0.160 [+0.034 -0.021] |
ηbar | 0.3499 [+0.0063 -0.0061] | 0.350 [+0.015 -0.015] | 0.350 [+0.024 -0.024] |
J [10-5] | 3.099 [+0.052 -0.063] | 3.10 [+0.13 -0.17] | 3.10 [+0.23 -0.27] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
sin 2α | -0.068 [+0.038 -0.041] | -0.068 [+0.075 -0.139] | -0.07 [+0.11 -0.20] |
sin 2α (meas. not in the fit) | -0.073 [+0.040 -0.058] | -0.073 [+0.077 -0.159] | -0.07 [+0.12 -0.21] |
sin 2β | 0.7094 [+0.0098 -0.0094] | 0.709 [+0.023 -0.020] | 0.709 [+0.037 -0.030] |
sin 2β (meas. not in the fit) | 0.740 [+0.020 -0.025] | 0.740 [+0.050 -0.041] | 0.740 [+0.073 -0.056] |
α [deg] | 92.0 [+1.3 -1.1] | 92.0 [+4.1 -2.2] | 92.0 [+5.7 -3.3] |
α [deg] (meas. not in the fit) | 92.1 [+1.5 -1.1] | 92.1 [+4.6 -2.2] | 92.1 [+6.0 -3.3] |
α [deg] (dir. meas.) | -2.2 [+3.7 -4.9] || 88.8 [+2.3 -2.3] | -2.2 [+7.4 -8.9] || 88.8 [+9.9 -6.3] | -2 [+12 -16] || 88.8 [+17.8 -9.7] || |
β [deg] | 22.60 [+0.36 -0.35] | 22.60 [+0.87 -0.76] | 22.6 [+1.5 -1.2] |
β [deg] (meas. not in the fit) | 23.74 [+1.13 -0.98] | 23.7 [+2.4 -1.6] | 23.7 [+3.4 -2.2] |
β [deg] (dir. meas.) | 21.85 [+0.68 -0.67] | 21.9 [+1.4 -1.3] | 21.9 [+2.1 -2.0] |
γ [deg] | 65.40 [+0.97 -1.16] | 65.4 [+2.1 -3.7] | 65.4 [+3.1 -5.2] |
γ [deg] (meas. not in the fit) | 65.33 [+0.96 -2.54] | 65.3 [+2.1 -4.5] | 65.3 [+3.1 -5.6] |
γ [deg] (dir. meas.) | 72.1 [+5.4 -5.8] | 72 [+10 -12] | 72 [+15 -21] |
Ru | 0.3846 [+0.0057 -0.0059] | 0.385 [+0.015 -0.012] | 0.385 [+0.025 -0.019] |
Rt | 0.9101 [+0.0072 -0.0080] | 0.910 [+0.014 -0.025] | 0.910 [+0.021 -0.035] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
ρsbar | -0.00853 [+0.00039 -0.00035] | -0.00853 [+0.00077 -0.00127] | -0.0085 [+0.0011 -0.0018] |
ηsbar | -0.01868 [+0.00032 -0.00033] | -0.01868 [+0.00077 -0.00080] | -0.0187 [+0.0013 -0.0013] |
βs ≡ − arg(−Vcs V*cb/Vts V*tb) [rad] | 0.01852 [+0.00032 -0.00032] | 0.01852 [+0.00078 -0.00083] | 0.0185 [+0.0013 -0.0013] |
sin 2βs | 0.03702 [+0.00066 -0.00064] | 0.0370 [+0.0016 -0.0016] | 0.0370 [+0.0026 -0.0026] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
|Vud| | 0.974334 [+0.000064 -0.000068] | 0.97433 [+0.00013 -0.00014] | 0.97433 [+0.00016 -0.00021] |
|Vus| | 0.22508 [+0.00030 -0.00028] | 0.22508 [+0.00060 -0.00057] | 0.22508 [+0.00092 -0.00070] |
|Vub| | 0.003715 [+0.000060 -0.000060] | 0.00371 [+0.00014 -0.00012] | 0.00371 [+0.00024 -0.00019] |
|Vcd| | 0.22494 [+0.00029 -0.00028] | 0.22494 [+0.00059 -0.00057] | 0.22494 [+0.00092 -0.00070] |
|Vcs| | 0.973471 [+0.000067 -0.000067] | 0.97347 [+0.00014 -0.00014] | 0.97347 [+0.00021 -0.00021] |
|Vcb| | 0.04181 [+0.00028 -0.00060] | 0.04181 [+0.00059 -0.00141] | 0.04181 [+0.00091 -0.00181] |
|Vtd| | 0.008575 [+0.000076 -0.000098] | 0.00857 [+0.00016 -0.00034] | 0.00857 [+0.00026 -0.00053] |
|Vts| | 0.04108 [+0.00030 -0.00057] | 0.04108 [+0.00062 -0.00132] | 0.04108 [+0.00093 -0.00177] |
|Vtb| | 0.999119 [+0.000024 -0.000012] | 0.999119 [+0.000055 -0.000026] | 0.999119 [+0.000075 -0.000040] |
|Vud| (meas. not in the fit) | 0.974334 [+0.000065 -0.000067] | 0.97433 [+0.00013 -0.00014] | 0.97433 [+0.00020 -0.00021] |
|Vus| (meas. not in the fit) | 0.224485 [+0.001386 -0.000064] | 0.22449 [+0.00200 -0.00013] | 0.22449 [+0.00208 -0.00019] |
|Vub| (meas. not in the fit) | 0.003601 [+0.000101 -0.000095] | 0.00360 [+0.00021 -0.00022] | 0.00360 [+0.00033 -0.00030] |
|Vcb| (meas. not in the fit) | 0.04235 [+0.00074 -0.00069] | 0.0424 [+0.0012 -0.0018] | 0.0424 [+0.0016 -0.0023] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
Δmd [ps-1] (meas. not in the fit) | 0.554 [+0.035 -0.028] | 0.554 [+0.066 -0.064] | 0.554 [+0.095 -0.102] |
Δms [ps-1] (meas. not in the fit) | 16.89 [+0.47 -0.35] | 16.9 [+1.6 -1.1] | 16.9 [+2.5 -1.8] |
εK [10-3] (meas. not in the fit) | 2.27 [+0.21 -0.42] | 2.27 [+0.38 -0.65] | 2.27 [+0.49 -0.78] |
mt [GeV/c2] (meas. not in the fit) | 160.3 [+6.3 -2.0] | 160.3 [+12.9 -4.3] | 160.3 [+19.9 -6.6] |
BK (lattice value not in the fit) | 0.79 [+0.17 -0.11] | 0.79 [+0.24 -0.14] | 0.79 [+0.33 -0.17] |
fBs/fBd (lattice value not in the fit) | 1.243 [+0.027 -0.020] | 1.243 [+0.072 -0.063] | 1.24 [+0.10 -0.11] |
fBs (lattice value not in the fit) | 0.2260 [+0.0040 -0.0051] | 0.2260 [+0.0100 -0.0083] | 0.226 [+0.015 -0.011] |
BBs/BBd (lattice value not in the fit) | 1.114 [+0.046 -0.047] | 1.114 [+0.098 -0.122] | 1.11 [+0.15 -0.20] |
BBs (lattice value not in the fit) | 1.332 [+0.040 -0.067] | 1.332 [+0.105 -0.097] | 1.33 [+0.17 -0.12] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
B(B+→τν) [10-4] | 0.851 [+0.035 -0.038] | 0.851 [+0.079 -0.077] | 0.85 [+0.13 -0.11] |
B(B+→τν) [10-4] (meas. not in the fit) | 0.821 [+0.034 -0.028] | 0.821 [+0.096 -0.057] | 0.821 [+0.151 -0.086] |
B(B+→μν) [10-6] | 0.378 [+0.018 -0.017] | 0.378 [+0.038 -0.032] | 0.378 [+0.062 -0.045] |
B(B+→eν) [10-11] | 0.901 [+0.032 -0.046] | 0.901 [+0.080 -0.085] | 0.90 [+0.13 -0.12] |
B(B→e+e-) [10-15] | 2.164 [+0.097 -0.050] | 2.16 [+0.25 -0.13] | 2.16 [+0.30 -0.18] |
B(B→μ+μ-) [10-11] | 9.55 [+0.25 -0.44] | 9.55 [+0.75 -0.84] | 9.55 [+0.99 -1.05] |
B(Bs→e+e-) [10-14] | 7.37 [+0.42 -0.15] | 7.37 [+0.73 -0.25] | 7.37 [+0.84 -0.34] |
B(Bs→μ+μ-) [10-9] | 3.145 [+0.150 -0.069] | 3.14 [+0.32 -0.11] | 3.14 [+0.36 -0.14] |
B(Bs→μ+μ-) [10-9] (meas. not in the fit) | 3.364 [+0.071 -0.192] | 3.36 [+0.11 -0.32] | 3.36 [+0.16 -0.36] |
B(Ds+→τ+ν) (meas. not in the fit) | 0.05098 [+0.00097 -0.00074] | 0.05098 [+0.00112 -0.00089] | 0.0510 [+0.0013 -0.0010] |
B(Ds+→μ+ν) [10-2] (meas. not in the fit) | 0.5272 [+0.0061 -0.0098] | 0.5272 [+0.0076 -0.0129] | 0.5272 [+0.0089 -0.0143] |
B(D+→μ+ν) [10-3] (meas. not in the fit) | 0.4066 [+0.0045 -0.0052] | 0.4066 [+0.0062 -0.0137] | 0.4066 [+0.0080 -0.0181] |
B(K+→μ+ν) (meas. not in the fit) | 0.6329 [+0.0022 -0.0024] | 0.6329 [+0.0044 -0.0043] | 0.6329 [+0.0067 -0.0067] |
B(K+→ e+ν) [10-4] (meas. not in the fit) | 0.15677 [+0.00029 -0.00038] | 0.15677 [+0.00061 -0.00068] | 0.15677 [+0.00091 -0.00098] |
B(τ+→ K+ν) [10-2] (meas. not in the fit) | 0.7164 [+0.0011 -0.0013] | 0.7164 [+0.0024 -0.0025] | 0.7164 [+0.0036 -0.0038] |