CKMfitter global fit results as of Summer 18:
The results for the tree-only fit are available here.
Wolfenstein parameters and Jarlskog invariant:
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
The results for the tree-only fit are available here.
Wolfenstein parameters and Jarlskog invariant:
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
A | 0.8403 [+0.0056 -0.0201] | 0.840 [+0.011 -0.035] | 0.840 [+0.016 -0.043] |
λ | 0.224747 [+0.000254 -0.000059] | 0.22475 [+0.00062 -0.00012] | 0.22475 [+0.00106 -0.00018] |
ρbar | 0.1577 [+0.0096 -0.0074] | 0.158 [+0.027 -0.014] | 0.158 [+0.036 -0.020] |
ηbar | 0.3493 [+0.0095 -0.0071] | 0.349 [+0.019 -0.017] | 0.349 [+0.029 -0.025] |
J [10-5] | 3.172 [+0.094 -0.098] | 3.17 [+0.19 -0.25] | 3.17 [+0.29 -0.34] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
sin 2α | -0.057 [+0.038 -0.061] | -0.057 [+0.079 -0.155] | -0.06 [+0.12 -0.21] |
sin 2α (meas. not in the fit) | -0.077 [+0.048 -0.085] | -0.077 [+0.091 -0.161] | -0.08 [+0.13 -0.20] |
sin 2β | 0.708 [+0.013 -0.010] | 0.708 [+0.029 -0.021] | 0.708 [+0.044 -0.032] |
sin 2β (meas. not in the fit) | 0.738 [+0.027 -0.030] | 0.738 [+0.056 -0.049] | 0.738 [+0.073 -0.064] |
α [deg] | 91.6 [+1.7 -1.1] | 91.6 [+4.5 -2.3] | 91.6 [+6.0 -3.4] |
α [deg] (meas. not in the fit) | 91.9 [+3.0 -1.2] | 91.9 [+5.0 -2.3] | 91.9 [+6.3 -3.5] |
α [deg] (dir. meas.) | 86.4 [+4.5 -4.3] || -1.8 [+4.3 -5.1] | 86.4 [+12.3 -8.0] || -1.8 [+11.0 -9.5] | 86 [+21 -11] || -2 [+16 -17] |
β [deg] | 22.51 [+0.55 -0.40] | 22.51 [+1.22 -0.83] | 22.5 [+1.8 -1.3] |
β [deg] (meas. not in the fit) | 23.9 [+1.2 -1.2] | 23.9 [+2.6 -2.1] | 23.9 [+3.4 -2.6] |
β [deg] (dir. meas.) | 22.14 [+0.69 -0.67] | 22.1 [+1.4 -1.3] | 22.1 [+2.1 -2.0] |
γ [deg] | 65.81 [+0.99 -1.66] | 65.8 [+2.0 -4.2] | 65.8 [+2.9 -5.5] |
γ [deg] (meas. not in the fit) | 65.64 [+0.97 -3.42] | 65.6 [+2.0 -4.7] | 65.6 [+3.0 -5.8] |
γ [deg] (dir. meas.) | 72.1 [+5.4 -5.7] | 72 [+10 -12] | 72 [+15 -21] |
Ru | 0.3832 [+0.0087 -0.0065] | 0.383 [+0.019 -0.013] | 0.383 [+0.029 -0.020] |
Rt | 0.9128 [+0.0067 -0.0124] | 0.913 [+0.013 -0.028] | 0.913 [+0.020 -0.037] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
ρsbar | -0.00834 [+0.00035 -0.00056] | -0.00834 [+0.00071 -0.00145] | -0.0083 [+0.0010 -0.0020] |
ηsbar | -0.01861 [+0.00039 -0.00048] | -0.01861 [+0.00094 -0.00099] | -0.0186 [+0.0014 -0.0015] |
βs ≡ − arg(−Vcs V*cb/Vts V*tb) [rad] | 0.01843 [+0.00048 -0.00034] | 0.01843 [+0.00100 -0.00091] | 0.0184 [+0.0015 -0.0013] |
sin 2βs | 0.03688 [+0.00092 -0.00075] | 0.0369 [+0.0019 -0.0018] | 0.0369 [+0.0030 -0.0027] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
|Vud| | 0.974410 [+0.000014 -0.000058] | 0.974410 [+0.000028 -0.000143] | 0.974410 [+0.000041 -0.000244] |
|Vus| | 0.224745 [+0.000254 -0.000059] | 0.22475 [+0.00062 -0.00012] | 0.22475 [+0.00106 -0.00018] |
|Vub| | 0.003746 [+0.000090 -0.000062] | 0.00375 [+0.00019 -0.00014] | 0.00375 [+0.00030 -0.00021] |
|Vcd| | 0.224608 [+0.000254 -0.000060] | 0.22461 [+0.00062 -0.00012] | 0.22461 [+0.00106 -0.00018] |
|Vcs| | 0.973526 [+0.000050 -0.000061] | 0.973526 [+0.000082 -0.000146] | 0.97353 [+0.00010 -0.00025] |
|Vcb| | 0.04240 [+0.00030 -0.00115] | 0.04240 [+0.00057 -0.00175] | 0.04240 [+0.00085 -0.00215] |
|Vtd| | 0.008710 [+0.000086 -0.000246] | 0.00871 [+0.00017 -0.00052] | 0.00871 [+0.00025 -0.00065] |
|Vts| | 0.04169 [+0.00028 -0.00108] | 0.04169 [+0.00055 -0.00172] | 0.04169 [+0.00082 -0.00212] |
|Vtb| | 0.999093 [+0.000049 -0.000013] | 0.999093 [+0.000074 -0.000024] | 0.999093 [+0.000090 -0.000036] |
|Vud| (meas. not in the fit) | 0.974420 [+0.000067 -0.000066] | 0.97442 [+0.00013 -0.00015] | 0.97442 [+0.00020 -0.00025] |
|Vus| (meas. not in the fit) | 0.224745 [+0.001097 -0.000061] | 0.22475 [+0.00190 -0.00012] | 0.22475 [+0.00197 -0.00018] |
|Vub| (meas. not in the fit) | 0.00360 [+0.00017 -0.00011] | 0.00360 [+0.00030 -0.00021] | 0.00360 [+0.00042 -0.00030] |
|Vcb| (meas. not in the fit) | 0.04250 [+0.00036 -0.00116] | 0.04250 [+0.00073 -0.00230] | 0.0425 [+0.0011 -0.0028] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
Δmd [ps-1] (meas. not in the fit) | 0.572 [+0.040 -0.040] | 0.572 [+0.071 -0.076] | 0.57 [+0.10 -0.12] |
Δms [ps-1] (meas. not in the fit) | 16.95 [+0.60 -0.61] | 17.0 [+1.9 -1.1] | 17.0 [+3.1 -1.5] |
εK [10-3] (meas. not in the fit) | 1.99 [+0.71 -0.23] | 1.99 [+0.82 -0.40] | 1.99 [+0.93 -0.48] |
mt [GeV/c2] (meas. not in the fit) | 156.1 [+7.3 -2.4] | 156.1 [+16.4 -4.9] | 156.1 [+21.1 -7.3] |
BK (lattice value not in the fit) | 0.83 [+0.13 -0.19] | 0.83 [+0.21 -0.22] | 0.83 [+0.27 -0.24] |
fBs/fBd (lattice value not in the fit) | 1.259 [+0.041 -0.033] | 1.259 [+0.080 -0.083] | 1.26 [+0.11 -0.13] |
fBs (lattice value not in the fit) | 0.2234 [+0.0063 -0.0080] | 0.223 [+0.011 -0.011] | 0.223 [+0.014 -0.013] |
BBs/BBd (lattice value not in the fit) | 1.143 [+0.056 -0.069] | 1.14 [+0.11 -0.14] | 1.14 [+0.17 -0.23] |
BBs (lattice value not in the fit) | 1.287 [+0.077 -0.072] | 1.29 [+0.14 -0.10] | 1.29 [+0.17 -0.13] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
B(B+→τν) [10-4] | 0.847 [+0.041 -0.029] | 0.847 [+0.098 -0.065] | 0.847 [+0.150 -0.097] |
B(B+→τν) [10-4] (meas. not in the fit) | 0.841 [+0.038 -0.032] | 0.841 [+0.088 -0.066] | 0.841 [+0.145 -0.097] |
B(B+→μν) [10-6] | 0.381 [+0.021 -0.013] | 0.381 [+0.045 -0.030] | 0.381 [+0.068 -0.043] |
B(B+→eν) [10-11] | 0.891 [+0.049 -0.031] | 0.891 [+0.105 -0.070] | 0.89 [+0.16 -0.10] |
B(B→e+e-) [10-15] | 2.238 [+0.111 -0.097] | 2.24 [+0.18 -0.21] | 2.24 [+0.23 -0.26] |
B(B→μ+μ-) [10-11] | 9.54 [+0.46 -0.46] | 9.54 [+0.78 -0.88] | 9.54 [+0.99 -1.08] |
B(Bs→e+e-) [10-14] | 7.63 [+0.34 -0.41] | 7.63 [+0.51 -0.52] | 7.63 [+0.63 -0.60] |
B(Bs→μ+μ-) [10-9] | 3.25 [+0.15 -0.14] | 3.25 [+0.23 -0.21] | 3.25 [+0.28 -0.25] |
B(Bs→μ+μ-) [10-9] (meas. not in the fit) | 3.359 [+0.079 -0.196] | 3.36 [+0.13 -0.31] | 3.36 [+0.18 -0.35] |
B(Ds+→τ+ν) (meas. not in the fit) | 0.05107 [+0.00080 -0.00100] | 0.05107 [+0.00094 -0.00115] | 0.0511 [+0.0011 -0.0013] |
B(Ds+→μ+ν) [10-2] (meas. not in the fit) | 0.5276 [+0.0048 -0.0136] | 0.5276 [+0.0061 -0.0154] | 0.5276 [+0.0074 -0.0168] |
B(D+→μ+ν) [10-3] (meas. not in the fit) | 0.4019 [+0.0069 -0.0035] | 0.4019 [+0.0087 -0.0113] | 0.402 [+0.011 -0.015] |
B(K+→μ+ν) (meas. not in the fit) | 0.6355 [+0.0018 -0.0015] | 0.6355 [+0.0039 -0.0036] | 0.6355 [+0.0060 -0.0061] |
B(K+→ e+ν) [10-4] (meas. not in the fit) | 0.15688 [+0.00023 -0.00023] | 0.15688 [+0.00047 -0.00049] | 0.15688 [+0.00073 -0.00076] |
B(τ+→ K+ν) [10-2] (meas. not in the fit) | 0.7170 [+0.0011 -0.0010] | 0.7170 [+0.0022 -0.0020] | 0.7170 [+0.0033 -0.0031] |