Updates of Semileptonic Results for the PDG 2004 -- PRELIMINARY

The changes of this update with respect to the status of PDG 2003 are described here.

All analyses are rescaled to a common set of input parameters defined in common.param.

A spreadsheet with the breakdowns of the errors can be found as xls. nada

Exclusive Branching Fraction: B0 -> Dlnu

This is a one-dimensional fit for the average branching fraction.
Experiment BF (rescaled) [%] Parameters Remarks
ALEPH 2.42 +/- 0.20+/- 0.52 input     parameters Phys.Lett.B395:373-,1997
CLEO 2.11+/- 0.13+/- 0.18 input     parameters Phys.Rev.Lett.82:3746-,1999
BELLE 2.20+/- 0.12+/- 0.39 input     parameters Phys.Lett.B526:258-268,2002
Average 2.14+/- 0.20 chi2/dof = 0.3/2 (CL = 0.845) eps gif
nada

Exclusive Branching Fraction: B0 -> D*lnu

This is a one-dimensional fit for the average branching fraction.
Experiment BF (rescaled) [%] Parameters Remarks
ALEPH 5.76 +/- 0.26 +/- 0.36 input     parameters Phys.Lett.B395:373-,1997
OPAL (excl) 5.49 +/- 0.19 +/- 0.50 input     parameters Phys.Lett.B482:15-,2000, exclusive reco.
OPAL (partial reco) 6.21 +/- 0.27 +/- 0.58 input     parameters Phys.Lett.B482:15-,2000, partial reco.
DELPHI (partial reco) 5.04 +/- 0.13 +/- 0.36 input     parameters Phys.Lett.B510:55-,2001, partial reco.
BELLE 4.70 +/- 0.23 +/- 0.43 input     parameters Phys.Lett.B526:247-,2002
CLEO 6.14 +/- 0.19 +/- 0.39 input     parameters Phys.Rev.Lett.89:081803,2002
Average 5.44 +/- 0.23 chi2/dof = 9.5/5 (CL = 0.091) eps gif
nada

Inclusive Semileptonic Branching Fraction for B+/B0 Admixture: B -> Xlnu

This is a one-dimensional fit for the average branching fraction.
Experiment Rescaled Value [%] Input Remarks
ARGUS (e tag) 09.75 +/- 0.50 +/- 0.39 input     parameters Phys.Lett.B318:397-, 1993
CLEO (l tag) 10.61 +/- 0.17 +/- 0.42 input     parameters Phys.Rev.Lett.76:1570-,1996
BELLE (l tag) 10.96 +/- 0.12 +/- 0.50 input     parameters Phys.Lett.B547:181-, 2002
BABAR (e tag) 10.91 +/- 0.18 +/- 0.29 input     parameters Phys.Rev.D67:031101, 2003
Average 10.73 +/- 0.28 chi2/dof = 3.4/3 (CL = 0.340) eps gif

Exclusive |Vcb| F(1)

This table and the plots in the last row document the two-dimensional simultaneous fit to |Vcb|*F(1) and rho2. Note: The fit is two-dimensional and systematics limited, no confidence level is given at the moment.
Experiment |Vcb| F(1) (rescaled) [10-3] rho2 (rescaled) Correlation (stat/syst/total) Parameters Remarks
ALEPH 33.6 +/- 2.1 +/- 1.6 0.75 +/- 0.25 +/- 0.37 0.94/0.60/0.72 input     parameters Phys.Lett.B395:373-,1997
OPAL (partial reco) 38.6 +/- 1.2 +/- 2.4 1.25 +/- 0.14 +/- 0.39 0.77/0.70/0.71 input     parameters Phys.Lett.B482:15-,2000
OPAL (excl) 39.2 +/- 1.6 +/- 2.3 1.48 +/- 0.21 +/- 0.27 0.95/0.42/0.61 input     parameters Phys.Lett.B482:15-,2000
DELPHI (partial reco) 37.0 +/- 1.4 +/- 2.5 1.50 +/- 0.14 +/- 0.37 0.94/0.77/0.79 input     parameters Phys.Lett.B510:55-,2001
BELLE 36.3 +/-1.9 +/- 1.9 1.45 +/- 0.16 +/- 0.20 0.91/0.67/0.77 input     parameters Phys.Lett.B526:247-,2002
CLEO 43.3 +/- 1.3 +/- 1.8 1.61 +/- 0.09 +/- 0.21 0.87/0.62/0.67 input     parameters Phys.Rev.Lett.89:081803,2002
Average 38.1 +/- 1.1 1.55 +/- 0.15 0.88/0.40/0.49 chi2/dof = 22.1/10 eps 1   gif 1   eps 2   gif 2  
nada

Exclusive |Vcb|G(1)

This table and the plots in the last row document the two-dimensional simultaneous fit to |Vcb|*G(1) and rho2. Note: The fit is two-dimensional, no confidence level is given at the moment.
Experiment |Vcb| G(1) (rescaled) [10-3] rho2 (rescaled) Correlation (stat/syst/total) Parameters Remarks
ALEPH 39.3+/- 10.0+/- 6.5 0.97+/- 0.98+/- 0.38 0.98/0.99/0.96 input     parameters Phys.Lett.B395:373-,1997
CLEO 44.4+/- 5.8+/- 3.5 1.27+/- 0.25+/- 0.14 0.95/0.97/0.96 input     parameters Phys.Rev.Lett.82:3746-,1999
BELLE 41.8+/- 4.4 +/- 5.2 1.12+/- 0.22+/- 0.14 0.96/0.96/0.92 input     parameters Phys.Lett.B526:258-268,2002
Average 41.8+/- 3.7 1.15+/- 0.16 0.93/0.91/0.90 chi2/dof = 0.3/4 eps 1   gif 1   eps 2   gif 2  
Including two results by BABAR and DELPHI, that are very close to submission: nada

Exclusive Branching Fraction: B0 -> D*lnu

Including a result by DELPHI that is very close to submission:
This is a one-dimensional fit for the average branching fraction.
Experiment BF (rescaled) [%] Parameters Remarks
ALEPH 5.76 +/- 0.26 +/- 0.36 input     parameters Phys.Lett.B395:373-,1997
OPAL (excl) 5.49 +/- 0.19 +/- 0.50 input     parameters Phys.Lett.B482:15-,2000, exclusive reco.
OPAL (partial reco) 6.21 +/- 0.27 +/- 0.58 input     parameters Phys.Lett.B482:15-,2000, partial reco.
DELPHI (partial reco) 5.04 +/- 0.13 +/- 0.36 input     parameters Phys.Lett.B510:55-,2001, partial reco.
BELLE 4.70 +/- 0.23 +/- 0.43 input     parameters Phys.Lett.B526:247-,2002
CLEO 6.14 +/- 0.19 +/- 0.39 input     parameters Phys.Rev.Lett.89:081803,2002
DELPHI (excl) 5.77 +/- 0.22 +/- 0.57 input     parameters to be published
Average 5.46 +/- 0.23 chi2/dof = 9.9/6 (CL = 0.13) eps gif

Exclusive |Vcb| F(1)

Including a result by DELPHI that is very close to submission:
This table and the plots in the last row document the two-dimensional simultaneous fit to |Vcb|*F(1) and rho2. Note: The fit is two-dimensional and systematics limited, no confidence level is given at the moment.
Experiment |Vcb| F(1) (rescaled) [10-3] rho2 (rescaled) Correlation (stat/syst/total) Parameters Remarks
ALEPH 33.6 +/- 2.1 +/- 1.6 0.75 +/- 0.25 +/- 0.37 0.94/0.60/0.72 input     parameters Phys.Lett.B395:373-,1997
OPAL (partial reco) 38.6 +/- 1.2 +/- 2.4 1.25 +/- 0.14 +/- 0.39 0.77/0.70/0.71 input     parameters Phys.Lett.B482:15-,2000
OPAL (excl) 39.2 +/- 1.6 +/- 2.3 1.48 +/- 0.21 +/- 0.27 0.95/0.42/0.61 input     parameters Phys.Lett.B482:15-,2000
DELPHI (partial reco) 37.0 +/- 1.4 +/- 2.5 1.50 +/- 0.14 +/- 0.37 0.94/0.77/0.79 input     parameters Phys.Lett.B510:55-,2001
BELLE 36.3 +/-1.9 +/- 1.9 1.45 +/- 0.16 +/- 0.20 0.91/0.67/0.77 input     parameters Phys.Lett.B526:247-,2002
CLEO 43.3 +/- 1.3 +/- 1.8 1.61 +/- 0.09 +/- 0.21 0.87/0.62/0.67 input     parameters Phys.Rev.Lett.89:081803,2002
DELPHI (excl. reco) 39.2 +/- 1.8 +/- 2.2 1.32 +/- 0.15 +/- 0.33 0.89/0.49/0.58 input     parameters to be published
Average 38.1 +/- 1.0 1.58 +/- 0.14 0.88/0.46/0.53 chi2/dof = 23.0/12 eps 1   gif 1   eps 2   gif 2  
Last update: 12/15/03 (UL)