CKMfitter global fit results as of Moriond14:
UT angles and sides:
UTs apex and angle:
CKM elements:
Input parameters:
Rare decay branching fractions (B→lν, B→ll):
- Wolfenstein parameters
- UT angles and sides
- UTsangle and apex
- CKM elements
- Input parameters
- Rare decay branching fractions
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
A | 0.813 [+0.015 -0.027] | 0.813 [+0.021 -0.035] | 0.813 [+0.029 -0.040] |
λ | 0.22551 [+0.00068 -0.00035] | 0.22551 [+0.00093 -0.00069] | 0.2255 [+0.0010 -0.0010] |
ρbar | 0.1489 [+0.0158 -0.0084] | 0.149 [+0.033 -0.016] | 0.149 [+0.043 -0.024] |
ηbar | 0.342 [+0.013 -0.011] | 0.342 [+0.024 -0.024] | 0.342 [+0.036 -0.036] |
J [10-5] | 2.97 [+0.18 -0.20] | 2.97 [+0.30 -0.25] | 2.97 [+0.41 -0.30] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
sin 2α | -0.058 [+0.055 -0.092] | -0.058 [+0.099 -0.192] | -0.06 [+0.14 -0.25] |
sin 2α (meas. not in the fit) | -0.12 [+0.10 -0.11] | -0.12 [+0.15 -0.17] | -0.12 [+0.19 -0.22] |
sin 2β | 0.692 [+0.020 -0.018] | 0.692 [+0.039 -0.036] | 0.692 [+0.057 -0.051] |
sin 2β (meas. not in the fit) | 0.774 [+0.017 -0.036] | 0.774 [+0.034 -0.090] | 0.774 [+0.050 -0.139] |
α [deg] | 91.7 [+2.6 -1.6] | 91.7 [+5.6 -2.8] | 91.7 [+7.3 -4.1] |
α [deg] (meas. not in the fit) | 93.6 [+3.2 -2.9] | 93.6 [+4.8 -4.2] | 93.6 [+6.4 -5.6] |
α [deg] (dir. meas.) | 85.4 [+4.0 -3.9] | 85.4 [+10.4 -7.8] || 0.2 [+9.6 -8.8] | 85 [+17 -12] || 0 [+15 -15] |
β [deg] | 21.88 [+0.81 -0.71] | 21.9 [+1.6 -1.4] | 21.9 [+2.4 -2.0] |
β [deg] (meas. not in the fit) | 25.38 [+0.80 -1.57] | 25.4 [+1.6 -3.8] | 25.4 [+2.4 -5.7] |
β [deg] (dir. meas.) | 21.50 [+0.75 -0.74] | 21.5 [+1.5 -1.5] | 21.5 [+2.3 -2.2] |
γ [deg] | 66.5 [+1.3 -2.5] | 66.5 [+2.4 -5.1] | 66.5 [+3.4 -6.4] |
γ [deg] (meas. not in the fit) | 66.4 [+1.2 -3.3] | 66.4 [+2.3 -5.4] | 66.4 [+3.4 -6.6] |
γ [deg] (dir. meas.) | 70.0 [+7.7 -9.0] | 70 [+15 -18] | 70 [+22 -27] || 42.16 [+0.29 -0.15] |
Ru | 0.373 [+0.013 -0.011] | 0.373 [+0.025 -0.022] | 0.373 [+0.038 -0.032] |
Rt | 0.9171 [+0.0082 -0.0166] | 0.917 [+0.015 -0.033] | 0.917 [+0.022 -0.042] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
ρsbar | -0.00797 [+0.00046 -0.00085] | -0.00797 [+0.00089 -0.00183] | -0.0080 [+0.0013 -0.0023] |
ηsbar | -0.01832 [+0.00060 -0.00068] | -0.0183 [+0.0013 -0.0013] | -0.0183 [+0.0019 -0.0020] |
βs ≡ − arg(−Vcs V*cb/Vts V*tb) [rad] | 0.01817 [+0.00068 -0.00060] | 0.0182 [+0.0013 -0.0013] | 0.0182 [+0.0019 -0.0019] |
sin 2βs | 0.0363 [+0.0014 -0.0012] | 0.0363 [+0.0026 -0.0026] | 0.0363 [+0.0039 -0.0038] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
|Vud| | 0.974235 [+0.000080 -0.000158] | 0.97424 [+0.00016 -0.00022] | 0.97424 [+0.00024 -0.00024] |
|Vus| | 0.22551 [+0.00068 -0.00034] | 0.22551 [+0.00094 -0.00069] | 0.2255 [+0.0010 -0.0010] |
|Vub| | 0.00357 [+0.00016 -0.00015] | 0.00357 [+0.00029 -0.00024] | 0.00357 [+0.00041 -0.00031] |
|Vcd| | 0.22537 [+0.00068 -0.00035] | 0.22537 [+0.00093 -0.00069] | 0.2254 [+0.0010 -0.0010] |
|Vcs| | 0.973395 [+0.000095 -0.000176] | 0.97340 [+0.00019 -0.00024] | 0.97340 [+0.00028 -0.00027] |
|Vcb| | 0.04136 [+0.00071 -0.00128] | 0.0414 [+0.0010 -0.0016] | 0.0414 [+0.0014 -0.0018] |
|Vtd| | 0.00855 [+0.00018 -0.00030] | 0.00855 [+0.00028 -0.00048] | 0.00855 [+0.00038 -0.00057] |
|Vts| | 0.04062 [+0.00070 -0.00125] | 0.0406 [+0.0010 -0.0016] | 0.0406 [+0.0014 -0.0018] |
|Vtb| | 0.999138 [+0.000052 -0.000030] | 0.999138 [+0.000065 -0.000044] | 0.999138 [+0.000073 -0.000058] |
|Vud| (meas. not in the fit) | 0.974236 [+0.000080 -0.000179] | 0.97424 [+0.00016 -0.00032] | 0.97424 [+0.00024 -0.00045] |
|Vus| (meas. not in the fit) | 0.224488 [+0.001909 -0.000066] | 0.22449 [+0.00202 -0.00013] | 0.22449 [+0.00209 -0.00020] |
|Vub| (meas. not in the fit) | 0.003435 [+0.000250 -0.000084] | 0.00343 [+0.00038 -0.00017] | 0.00343 [+0.00051 -0.00025] |
|Vcb| (meas. not in the fit) | 0.0414 [+0.0024 -0.0014] | 0.0414 [+0.0028 -0.0018] | 0.0414 [+0.0032 -0.0021] |
Observable | Central ± 1 σ | ± 2 σ | ± 3 σ |
---|---|---|---|
Δmd [ps-1] (meas. not in the fit) | 0.576 [+0.041 -0.046] | 0.576 [+0.074 -0.087] | 0.58 [+0.11 -0.13] |
Δms [ps-1] (meas. not in the fit) | 16.3 [+1.2 -1.2] | 16.3 [+2.8 -1.6] | 16.3 [+3.8 -2.0] |
εK [10-3] (meas. not in the fit) | 2.08 [+0.58 -0.57] | 2.08 [+0.70 -0.67] | 2.08 [+0.82 -0.73] |
mt [GeV/c2] (meas. not in the fit) | 160.2 [+12.8 -5.0] | 160.2 [+25.7 -7.2] | 160.2 [+29.2 -9.4] |
BK (lattice value not in the fit) | 0.84 [+0.26 -0.19] | 0.84 [+0.34 -0.22] | 0.84 [+0.40 -0.25] |
fBs/fBd (lattice value not in the fit) | 1.258 [+0.046 -0.036] | 1.258 [+0.084 -0.096] | 1.26 [+0.12 -0.15] |
fBs (lattice value not in the fit) | 0.2372 [+0.0024 -0.0169] | 0.2372 [+0.0047 -0.0198] | 0.2372 [+0.0070 -0.0221] |
BBs/BBd (lattice value not in the fit) | 1.163 [+0.064 -0.078] | 1.16 [+0.13 -0.16] | 1.16 [+0.20 -0.26] |
BBs (lattice value not in the fit) | 1.250 [+0.132 -0.035] | 1.250 [+0.282 -0.057] | 1.250 [+0.314 -0.079] |
B(B+→τν) [10-4] | 0.817 [+0.059 -0.075] | 0.82 [+0.13 -0.13] | 0.82 [+0.19 -0.17] |
B(B+→τν) [10-4] (meas. not in the fit) | 0.753 [+0.102 -0.052] | 0.753 [+0.167 -0.092] | 0.75 [+0.23 -0.13] |
B(B+→μν) [10-6] | 0.367 [+0.026 -0.034] | 0.367 [+0.057 -0.060] | 0.367 [+0.086 -0.078] |
B(B+→eν) [10-11] | 0.859 [+0.062 -0.079] | 0.86 [+0.13 -0.14] | 0.86 [+0.20 -0.18] |
B(B→e+e-) [10-15] | 2.55 [+0.15 -0.23] | 2.55 [+0.20 -0.32] | 2.55 [+0.26 -0.38] |
B(B→μ+μ-) [10-11] | 10.87 [+0.63 -0.97] | 10.87 [+0.87 -1.39] | 10.9 [+1.1 -1.6] |
B(Bs→e+e-) [10-14] | 8.55 [+0.43 -0.71] | 8.55 [+0.56 -0.83] | 8.55 [+0.69 -0.94] |
B(Bs→μ+μ-) [10-9] | 3.65 [+0.18 -0.30] | 3.65 [+0.24 -0.35] | 3.65 [+0.29 -0.40] |
B(Bs→μ+μ-) [10-9] (meas. not in the fit) | 3.65 [+0.18 -0.30] | 3.65 [+0.24 -0.35] | 3.65 [+0.29 -0.40] |
B(Ds+→τ+ν) (meas. not in the fit) | 0.05187 [+0.00021 -0.00126] | 0.05187 [+0.00042 -0.00312] | 0.05187 [+0.00062 -0.00403] |
B(Ds+→μ+ν) [10-2] (meas. not in the fit) | 0.5313 [+0.0021 -0.0105] | 0.5313 [+0.0043 -0.0276] | 0.5313 [+0.0064 -0.0405] |
B(D+→μ+ν) [10-3] (meas. not in the fit) | 0.390 [+0.011 -0.011] | 0.390 [+0.015 -0.019] | 0.390 [+0.018 -0.030] |
B(K+→μ+ν) (meas. not in the fit) | 0.6373 [+0.0023 -0.0030] | 0.6373 [+0.0043 -0.0061] | 0.6373 [+0.0061 -0.0091] |
B(K+→ e+ν) [10-4] (meas. not in the fit) | 0.15692 [+0.00047 -0.00047] | 0.15692 [+0.00092 -0.00093] | 0.1569 [+0.0013 -0.0013] |
B(K+→ e+ν) [10-2] (meas. not in the fit) | 0.7179 [+0.0015 -0.0015] | 0.7179 [+0.0031 -0.0031] | 0.7179 [+0.0046 -0.0046] |