CKMfitter global fit results as of MORIOND 09:
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)
- 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 | 0.8116 [+0.0097 -0.0241] | 0.812 [+0.019 -0.036] | 0.812 [+0.029 -0.045] |
λ | 0.22521 [+0.00082 -0.00082] | 0.2252 [+0.0016 -0.0016] | 0.2252 [+0.0025 -0.0025] |
ρbar | 0.139 [+0.025 -0.027] | 0.139 [+0.053 -0.040] | 0.139 [+0.073 -0.052] |
ηbar | 0.341 [+0.016 -0.015] | 0.341 [+0.032 -0.025] | 0.341 [+0.048 -0.034] |
J [10-5] | 2.92 [+0.15 -0.15] | 2.92 [+0.30 -0.19] | 2.92 [+0.45 -0.23] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
sin 2α | -0.02 [+0.15 -0.13] | -0.02 [+0.22 -0.26] | -0.02 [+0.28 -0.35] |
sin 2α (meas. not in the fit) | -0.20 [+0.30 -0.11] | -0.20 [+0.41 -0.17] | -0.20 [+0.48 -0.23] |
sin 2β | 0.684 [+0.023 -0.021] | 0.684 [+0.046 -0.035] | 0.684 [+0.068 -0.049] |
sin 2β (meas. not in the fit) | 0.817 [+0.026 -0.040] | 0.817 [+0.039 -0.114] | 0.817 [+0.052 -0.171] |
|sin (2β+γ)| | 0.934 [+0.023 -0.030] | 0.934 [+0.039 -0.051] | 0.934 [+0.049 -0.071] |
α [deg] | 90.6 [+3.8 -4.2] | 90.6 [+7.5 -6.3] | 90.6 [+10.2 -8.2] |
α [deg] (meas. not in the fit) | 95.6 [+3.3 -8.8] | 95.6 [+5.2 -11.8] | 95.6 [+6.8 -13.9] |
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] | 21.58 [+0.91 -0.81] | 21.6 [+1.8 -1.4] | 21.6 [+2.8 -1.9] |
β [deg] (meas. not in the fit) | 27.4 [+1.3 -1.9] | 27.4 [+2.0 -5.0] | 27.4 [+2.8 -7.3] |
β [deg] (dir. meas.) | 21.07 [+0.90 -0.88] | 21.1 [+1.8 -1.7] | 21.1 [+2.8 -2.6] |
γ [deg] | 67.8 [+4.2 -3.9] | 67.8 [+6.3 -8.0] | 67.8 [+8.2 -10.6] |
γ [deg] (meas. not in the fit) | 67.8 [+4.2 -3.9] | 67.8 [+6.3 -8.0] | 67.8 [+8.2 -10.6] |
γ [deg] (dir. meas.) | 70 [+27 -30] | 70 [+44 -41] | 70 [+60 -52] || 131.14 [+0.18 -0.25] |
Ru | 0.368 [+0.015 -0.013] | 0.368 [+0.030 -0.022] | 0.368 [+0.045 -0.030] |
Rt | 0.926 [+0.027 -0.025] | 0.926 [+0.040 -0.053] | 0.926 [+0.052 -0.072] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
ρsbar | -0.0074 [+0.0014 -0.0013] | -0.0074 [+0.0022 -0.0029] | -0.0074 [+0.0028 -0.0040] |
ηsbar | -0.01821 [+0.00081 -0.00085] | -0.0182 [+0.0013 -0.0017] | -0.0182 [+0.0018 -0.0026] |
βs ≡ − arg(−Vcs V*cb/Vts V*tb) [rad] | 0.01807 [+0.00086 -0.00081] | 0.0181 [+0.0017 -0.0014] | 0.0181 [+0.0026 -0.0018] |
sin 2βs | 0.0361 [+0.0017 -0.0016] | 0.0361 [+0.0035 -0.0027] | 0.0361 [+0.0051 -0.0036] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
|Vud| | 0.97430 [+0.00019 -0.00019] | 0.97430 [+0.00038 -0.00038] | 0.97430 [+0.00057 -0.00057] |
|Vus| | 0.22521 [+0.00082 -0.00082] | 0.2252 [+0.0016 -0.0016] | 0.2252 [+0.0025 -0.0025] |
|Vub| | 0.00350 [+0.00015 -0.00014] | 0.00350 [+0.00029 -0.00022] | 0.00350 [+0.00044 -0.00029] |
|Vcb| | 0.04117 [+0.00038 -0.00115] | 0.04117 [+0.00077 -0.00161] | 0.0412 [+0.0011 -0.0019] |
|Vud| (meas. not in the fit) | 0.97444 [+0.00028 -0.00028] | 0.97444 [+0.00055 -0.00056] | 0.97444 [+0.00082 -0.00084] |
|Vus| (meas. not in the fit) | 0.2257 [+0.0011 -0.0011] | 0.2257 [+0.0022 -0.0023] | 0.2257 [+0.0033 -0.0034] |
|Vub| (meas. not in the fit) | 0.00350 [+0.00015 -0.00016] | 0.00350 [+0.00029 -0.00029] | 0.00350 [+0.00045 -0.00040] |
|Vcb| (meas. not in the fit) | 0.04399 [+0.00069 -0.00397] | 0.0440 [+0.0014 -0.0047] | 0.0440 [+0.0024 -0.0052] |
|Vcd| | 0.22508 [+0.00082 -0.00082] | 0.2251 [+0.0016 -0.0016] | 0.2251 [+0.0025 -0.0025] |
|Vcs| | 0.97347 [+0.00019 -0.00019] | 0.97347 [+0.00039 -0.00038] | 0.97347 [+0.00058 -0.00057] |
|Vtd| | 0.00859 [+0.00027 -0.00029] | 0.00859 [+0.00042 -0.00049] | 0.00859 [+0.00056 -0.00064] |
|Vts| | 0.04041 [+0.00038 -0.00115] | 0.04041 [+0.00076 -0.00162] | 0.0404 [+0.0011 -0.0019] |
|Vtb| | 0.999146 [+0.000047 -0.000016] | 0.999146 [+0.000065 -0.000032] | 0.999146 [+0.000078 -0.000048] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
Δmd [ps-1] (meas. not in the fit) | 0.563 [+0.068 -0.076] | 0.56 [+0.11 -0.13] | 0.56 [+0.16 -0.16] |
Δms [ps-1] (meas. not in the fit) | 17.6 [+1.7 -1.8] | 17.6 [+3.2 -3.5] | 17.6 [+4.2 -4.5] |
εK [10-3] (meas. not in the fit) | 2.06 [+0.47 -0.53] | 2.06 [+0.62 -0.64] | 2.06 [+0.77 -0.75] |
mc [GeV/c2] (meas. not in the fit) | 1.44 [+0.43 -0.40] | 1.44 [+0.52 -0.56] | 1.44 [+0.62 -0.73] |
mt [GeV/c2] (meas. not in the fit) | 160 [+13 -10] | 160 [+44 -14] | 160 [+60 -17] |
BK (lattice value not in the fit) | 0.79 [+0.20 -0.12] | 0.79 [+0.28 -0.16] | 0.79 [+0.37 -0.19] |
ξSU(3) (lattice value not in the fit) | 1.188 [+0.059 -0.044] | 1.188 [+0.131 -0.085] | 1.19 [+0.18 -0.13] |
fBs (lattice value not in the fit) | 0.2448 [+0.0099 -0.0103] | 0.245 [+0.015 -0.019] | 0.245 [+0.019 -0.023] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
B(B+→τν) [10-4] | 0.92 [+0.10 -0.11] | 0.92 [+0.19 -0.22] | 0.92 [+0.28 -0.26] |
B(B+→τν) [10-4] (meas. not in the fit) | 0.796 [+0.154 -0.093] | 0.80 [+0.26 -0.13] | 0.80 [+0.35 -0.17] |
B(B+→μν) [10-6] | 0.412 [+0.047 -0.048] | 0.412 [+0.086 -0.098] | 0.41 [+0.13 -0.12] |
B(B+→eν) [10-11] | 0.96 [+0.11 -0.11] | 0.96 [+0.20 -0.23] | 0.96 [+0.30 -0.28] |
B(B→e+e-) [10-15] | 2.523 [+0.090 -0.207] | 2.52 [+0.18 -0.53] | 2.52 [+0.26 -0.62] |
B(B→μ+μ-)[10-11] | 10.78 [+0.38 -0.88] | 10.78 [+0.75 -2.26] | 10.8 [+1.1 -2.6] |
B(Bs→e+e-) [10-14] | 7.70 [+0.22 -0.62] | 7.70 [+0.43 -1.08] | 7.70 [+0.64 -1.27] |
B(Bs→μ+μ-) [10-9] | 3.291 [+0.094 -0.267] | 3.29 [+0.18 -0.46] | 3.29 [+0.27 -0.54] |