CKMfitter global fit results as of Summer 15:
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 | 0.8227 [+0.0066 -0.0136] | 0.823 [+0.013 -0.027] | 0.823 [+0.020 -0.035] |
λ | 0.22543 [+0.00042 -0.00031] | 0.22543 [+0.00075 -0.00064] | 0.22543 [+0.00101 -0.00097] |
ρbar | 0.1504 [+0.0121 -0.0062] | 0.150 [+0.029 -0.013] | 0.150 [+0.037 -0.019] |
ηbar | 0.3540 [+0.0069 -0.0076] | 0.354 [+0.016 -0.019] | 0.354 [+0.025 -0.027] |
J [10-5] | 3.140 [+0.069 -0.084] | 3.14 [+0.16 -0.21] | 3.14 [+0.26 -0.31] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
sin 2α | -0.013 [+0.034 -0.071] | -0.013 [+0.069 -0.168] | -0.01 [+0.11 -0.22] |
sin 2α (meas. not in the fit) | -0.024 [+0.038 -0.134] | -0.024 [+0.075 -0.181] | -0.02 [+0.11 -0.23] |
sin 2β | 0.710 [+0.011 -0.011] | 0.710 [+0.025 -0.021] | 0.710 [+0.039 -0.032] |
sin 2β (meas. not in the fit) | 0.748 [+0.030 -0.032] | 0.748 [+0.056 -0.050] | 0.748 [+0.071 -0.065] |
α [deg] | 90.4 [+2.0 -1.0] | 90.4 [+4.8 -2.0] | 90.4 [+6.2 -3.1] |
α [deg] (meas. not in the fit) | 90.7 [+3.9 -1.1] | 90.7 [+5.2 -2.1] | 90.7 [+6.5 -3.2] |
α [deg] (dir. meas.) | 87.6 [+3.5 -3.3] || -1.1 [+3.8 -3.9] | 87.6 [+10.2 -6.5] || -1.1 [+7.9 -9.1] | 87.6 [+16.3 -9.8] || -1 [+12 -15] |
β [deg] | 22.62 [+0.44 -0.42] | 22.62 [+1.03 -0.84] | 22.6 [+1.7 -1.3] |
β [deg] (meas. not in the fit) | 24.3 [+1.3 -1.4] | 24.3 [+2.5 -2.1] | 24.3 [+3.2 -2.7] |
β [deg] (dir. meas.) | 21.85 [+0.68 -0.67] | 21.9 [+1.4 -1.3] | 21.9 [+2.1 -2.0] |
γ [deg] | 67.01 [+0.88 -1.99] | 67.0 [+1.8 -4.6] | 67.0 [+2.8 -5.8] |
γ [deg] (meas. not in the fit) | 66.85 [+0.94 -3.44] | 66.9 [+1.9 -4.9] | 66.9 [+2.8 -6.0] |
γ [deg] (dir. meas.) | 73.2 [+6.3 -7.0] | 73 [+13 -15] | 73 [+20 -24] |
Ru | 0.3847 [+0.0070 -0.0068] | 0.385 [+0.016 -0.014] | 0.385 [+0.027 -0.020] |
Rt | 0.9206 [+0.0059 -0.0133] | 0.921 [+0.012 -0.031] | 0.921 [+0.019 -0.039] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
ρsbar | -0.00805 [+0.00034 -0.00065] | -0.00805 [+0.00069 -0.00154] | -0.0080 [+0.0010 -0.0020] |
ηsbar | -0.01897 [+0.00041 -0.00036] | -0.01897 [+0.00101 -0.00084] | -0.0190 [+0.0014 -0.0013] |
βs ≡ − arg(−Vcs V*cb/Vts V*tb) [rad] | 0.01882 [+0.00036 -0.00042] | 0.01882 [+0.00083 -0.00102] | 0.0188 [+0.0013 -0.0014] |
sin 2βs | 0.03761 [+0.00073 -0.00082] | 0.0376 [+0.0017 -0.0020] | 0.0376 [+0.0027 -0.0029] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
|Vud| | 0.974254 [+0.000071 -0.000097] | 0.97425 [+0.00015 -0.00018] | 0.97425 [+0.00022 -0.00023] |
|Vus| | 0.22542 [+0.00042 -0.00031] | 0.22542 [+0.00076 -0.00065] | 0.22542 [+0.00101 -0.00097] |
|Vub| | 0.003714 [+0.000072 -0.000060] | 0.00371 [+0.00017 -0.00013] | 0.00371 [+0.00027 -0.00020] |
|Vcd| | 0.22529 [+0.00041 -0.00032] | 0.22529 [+0.00075 -0.00065] | 0.22529 [+0.00100 -0.00098] |
|Vcs| | 0.973394 [+0.000074 -0.000096] | 0.97339 [+0.00016 -0.00018] | 0.97339 [+0.00024 -0.00024] |
|Vcb| | 0.04180 [+0.00033 -0.00068] | 0.04180 [+0.00065 -0.00130] | 0.04180 [+0.00097 -0.00164] |
|Vtd| | 0.008676 [+0.000087 -0.000150] | 0.00868 [+0.00018 -0.00044] | 0.00868 [+0.00027 -0.00058] |
|Vts| | 0.04107 [+0.00031 -0.00067] | 0.04107 [+0.00063 -0.00128] | 0.04107 [+0.00094 -0.00161] |
|Vtb| | 0.999118 [+0.000024 -0.000014] | 0.999118 [+0.000054 -0.000027] | 0.999118 [+0.000068 -0.000041] |
|Vud| (meas. not in the fit) | 0.974255 [+0.000072 -0.000096] | 0.97425 [+0.00015 -0.00018] | 0.97425 [+0.00023 -0.00024] |
|Vus| (meas. not in the fit) | 0.224486 [+0.001130 -0.000067] | 0.22449 [+0.00200 -0.00013] | 0.22449 [+0.00208 -0.00020] |
|Vub| (meas. not in the fit) | 0.00357 [+0.00015 -0.00014] | 0.00357 [+0.00026 -0.00024] | 0.00357 [+0.00037 -0.00032] |
|Vcb| (meas. not in the fit) | 0.04299 [+0.00036 -0.00141] | 0.04299 [+0.00070 -0.00241] | 0.0430 [+0.0011 -0.0028] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
Δmd [ps-1] (meas. not in the fit) | 0.555 [+0.043 -0.035] | 0.555 [+0.070 -0.072] | 0.555 [+0.099 -0.112] |
Δms [ps-1] (meas. not in the fit) | 16.73 [+0.82 -0.57] | 16.7 [+2.0 -1.3] | 16.7 [+2.6 -1.8] |
εK [10-3] (meas. not in the fit) | 2.20 [+0.47 -0.49] | 2.20 [+0.57 -0.61] | 2.20 [+0.68 -0.69] |
mt [GeV/c2] (meas. not in the fit) | 161.5 [+6.9 -2.2] | 161.5 [+14.9 -4.4] | 161.5 [+21.4 -6.5] |
BK (lattice value not in the fit) | 0.697 [+0.276 -0.051] | 0.697 [+0.351 -0.074] | 0.697 [+0.407 -0.097] |
fBs/fBd (lattice value not in the fit) | 1.242 [+0.043 -0.031] | 1.242 [+0.076 -0.080] | 1.24 [+0.11 -0.13] |
fBs (lattice value not in the fit) | 0.2259 [+0.0064 -0.0067] | 0.2259 [+0.0130 -0.0090] | 0.226 [+0.016 -0.011] |
BBs/BBd (lattice value not in the fit) | 1.128 [+0.052 -0.071] | 1.13 [+0.11 -0.14] | 1.13 [+0.16 -0.23] |
BBs (lattice value not in the fit) | 1.313 [+0.094 -0.042] | 1.313 [+0.173 -0.065] | 1.313 [+0.214 -0.088] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
B(B+→τν) [10-4] | 0.848 [+0.036 -0.055] | 0.848 [+0.089 -0.084] | 0.85 [+0.14 -0.11] |
B(B+→τν) [10-4] (meas. not in the fit) | 0.817 [+0.054 -0.031] | 0.817 [+0.106 -0.060] | 0.817 [+0.162 -0.088] |
B(B+→μν) [10-6] | 0.382 [+0.015 -0.025] | 0.382 [+0.039 -0.038] | 0.382 [+0.064 -0.051] |
B(B+→eν) [10-11] | 0.893 [+0.036 -0.059] | 0.893 [+0.092 -0.089] | 0.89 [+0.15 -0.12] |
B(B→e+e-) [10-15] | 2.26 [+0.17 -0.12] | 2.26 [+0.22 -0.19] | 2.26 [+0.27 -0.23] |
B(B→μ+μ-) [10-11] | 9.66 [+0.69 -0.54] | 9.66 [+0.92 -0.83] | 9.7 [+1.1 -1.0] |
B(Bs→e+e-) [10-14] | 7.48 [+0.55 -0.28] | 7.48 [+0.66 -0.37] | 7.48 [+0.76 -0.45] |
B(Bs→μ+μ-) [10-9] | 3.21 [+0.22 -0.14] | 3.21 [+0.27 -0.17] | 3.21 [+0.31 -0.21] |
B(Bs→μ+μ-) [10-9] (meas. not in the fit) | 3.31 [+0.14 -0.22] | 3.31 [+0.18 -0.26] | 3.31 [+0.22 -0.30] |
B(Ds+→τ+ν) (meas. not in the fit) | 0.05086 [+0.00112 -0.00065] | 0.05086 [+0.00126 -0.00078] | 0.05086 [+0.00139 -0.00091] |
B(Ds+→μ+ν) [10-2] (meas. not in the fit) | 0.5268 [+0.0068 -0.0114] | 0.5268 [+0.0081 -0.0128] | 0.5268 [+0.0094 -0.0141] |
B(D+→μ+ν) [10-3] (meas. not in the fit) | 0.4095 [+0.0036 -0.0078] | 0.4095 [+0.0058 -0.0162] | 0.4095 [+0.0077 -0.0204] |
B(K+→μ+ν) (meas. not in the fit) | 0.6357 [+0.0024 -0.0025] | 0.6357 [+0.0046 -0.0054] | 0.6357 [+0.0065 -0.0082] |
B(K+→ e+ν) [10-4] (meas. not in the fit) | 0.15689 [+0.00045 -0.00048] | 0.15689 [+0.00091 -0.00093] | 0.1569 [+0.0013 -0.0013] |
B(τ+→ K+ν) [10-2] (meas. not in the fit) | 0.7170 [+0.0015 -0.0015] | 0.7170 [+0.0030 -0.0031] | 0.7170 [+0.0045 -0.0046] |