Constraint | |Vcb| (10-3) | mbkin (GeV) | mu2pi (GeV2) | |
---|---|---|---|---|
Xsgamma | 41.94 +/- 0.43(fit) +/- 0.59(th) | 4.574 +/- 0.032 | 0.459 +/- 0.037 | details |
mc(3 GeV) | 41.88 +/- 0.44(fit) +/- 0.59(th) | 4.560 +/- 0.023 | 0.453 +/- 0.036 | details |
Figures of the Delta chi2=1 ellipses can be found here:
Note: The photon energy moments listed are only use in the global fit with Xsgamma constraint.
Experiment | Hadron moments <MnX> | Lepton moments <Enl> | Photon moments <Engamma> | References |
---|---|---|---|---|
BaBar | n=2 c=0.9,1.1,1.3,1.5 n=4 c=0.8,1.0,1.2,1.4 n=6 c=0.9,1.3 [1] |
n=0 c=0.6,1.2,1.5 n=1 c=0.6,0.8,1.0,1.2,1.5 n=2 c=0.6,1.0,1.5 n=3 c=0.8,1.2 [1,2] |
n=1 c=1.9,2.0 n=2 c=1.9 [3,4] |
[1] Phys.Rev. D81
(2010) 032003 [2] Phys.Rev. D69 (2004) 111104 [3] Phys.Rev. D72 (2005) 052004 [4] Phys. Rev. Lett. 97, 171803 (2006) |
Belle | n=2 c=0.7,1.1,1.3,1.5 n=4 c=0.7,0.9,1.3 [5] |
n=0 c=0.6,1.0,1.4 n=1 c=0.6,0.8,1.0,1.2,1.4 n=2 c=0.6,1.0,1.4 n=3 c=0.8,1.0, 1.2 [6] |
n=1 c=1.8,1.9 n=2 c=1.8,2.0 [7] |
[5]
Phys.Rev. D75 (2007) 032005 [6] Phys.Rev. D75 (2007) 032001 [7] Phys.Rev.Lett. 103 (2009) 241801 |
CDF | n=2 c=0.7 n=4 c=0.7 [8] |
. | . | [8] Phys.Rev. D71 (2005) 051103 |
CLEO | n=2 c=1.0,1.5 n=4 c=1.0,1.5 [9] |
. | n=1 c=2.0 [10] | [9]
Phys.Rev. D70 (2004) 032002 [10] Phys.Rev.Lett. 87 (2001) 251807 |
DELPHI | n=2 c=0.0 n=4 c=0.0 [11] |
n=1 c=0.0 n=2 c=0.0 n=3 c=0.0 [11] |
. | [11] Eur.Phys.J. C45 (2006) 35-59 |
The only external input used is the average B lifetime taken to be (1.582 +/- 0.007) ps.
last update: Feb 22, 2012 by C.Schwanda