Fit results with Run1234                                                                        Kenji Hamano

Last modified : Feb 19, 2008                                              Back to Home Back to privious page

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New background rejection and new binning
p_lep = (1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.35) (9 bins)
p_D = (0.8, 1.0, 1.2, 1.4, 1.6, 1.8, 2.0, 2.45) (7 bins)
cosBY = (-2, -1, 0, 1) (3 bins)

Run1234, Fix D**lnu/D(*)pilnu BF, R1 and R2 Gaussian constraints, Fix f+0
Fit result
Run1234, Fix D**lnu/D(*)pilnu BF, R1 and R2 Gaussian constraints, Float f+0
Fit result
Run1234, Fix D**lnu/D(*)pilnu BF, R1 and R2 float, Float f+0
Fit result

stat error (%)	R1R2G, fp0Fix	R1R2G, fp0Float	all float
D slope	3.3	3.4	3.5
D* slope	2.2	2.2	3.2
R1	2.7	2.8	4.5
R2	3.8	3.8	7.2
Dlnu BF	1.1	1.2	1.3
D*lnu BF	0.61	0.75	0.77
f+0	n/a	1.4	1.4
chi2/ndf (P-value)	384/353 (0.12)	383/352 (0.12)	380/350 (0.13)

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Run1234, Float f+0
Fit result 379(204+175)/350 (0.135) [D0 : 180/189 bins, D+ : 178/189 bins]
Plots : Lepton momentum (fitted binning)
       D momentum (fitted binning)
       cosBY (fitted binning)
       Bin by bin (D0)
       Bin by bin (D+)

Run1234, Gaussian constraints on R1 and R2
Fit result 381/352 (0.135)
Run1234, Gaussian constraints on R1 and R2 (Electron)
Fit result 336/352 (0.722)
Run1234, Gaussian constraints on R1 and R2 (Muon)
Fit result 367/352 (0.276)

Run1234, fp0 Fix, Gaussian constraints on R1 and R2
Fit result 381/353 (0.143)

Run1234, Fix R1 and R2
Fit result 395/352 (0.056)
Plots : Lepton momentum (fitted binning)
       D momentum (fitted binning)
       cosBY (fitted binning)
       Bin by bin (D0)
       Bin by bin (D+)

Run1234, Fix R1 and R2 (Electron)
Fit result 341/352 (0.642)
Plots : Lepton momentum (fitted binning)
       D momentum (fitted binning)
       cosBY (fitted binning)
       Bin by bin (D0)
       Bin by bin (D+)

Run1234, Fix R1 and R2 (Muon)
Fit result 375/352 (0.195)
Plots : Lepton momentum (fitted binning)
       D momentum (fitted binning)
       cosBY (fitted binning)
       Bin by bin (D0)
       Bin by bin (D+)


Run1234, Fix f+0
Fit result 380/351 (0.143)

Run1234, Fix f+0 and Float UncorrDircL
Fit result 379/349 (0.130)

Run1234, Float f+0 and No isospin constraints
Fit result Not good

Run1234, Fix f+0 and No isospin constraints
Fit result 374/349 (0.171)

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