Fitting results                                                                        Kenji Hamano

Last modified : Sep 12, 2006                                              Back to Home Back to privious page

R16b skims Run3 was used.
Data luminosities:
luminosity# events# files
OnPeak30.630 fb-117527801/438622047877
OffPeak2.394659867/3145110033

MC luminosity
MC modecross section# eventsLuminosity# files
BpBm (1235)0.525e6 fb23854196/86492000164.751193
B0B0bar (1237)0.525e617081965/61158000116.49855
ccbar (1005)1.30e66127861/5770000044.385307
uds (998)2.09e6 5639210/12404000059.349282
tautau (3429)0.94e6544465/6985200074.31128


Bhabha veto is applied.
KMicroNotPionGTL is applied.
FitDprob > 0.01 and FitBprob > 0.01 are applied.
Thrust cut |cosDlnonDl| < 0.88 is applied

Chi-square before fitting
Branching fractions
     B_BpD = 0.021
     B_BpDS = 0.056
     B_BpDD = 0.015
     B_BpDPi = 0.012
Condition# of dofChi-square
after all cuts192 ( + )
trk eff PID corrected192 ( + )
new B->D*lnu FF192 ( + )
new D->Kenu BF192649.229 (465.534 + 183.536)


Chi-square after fitting
Condition# of dofChi-square
Case 1 179384.067 (251.758 + 129.025)
Case 2 178322.079 (194.745 + 123.476)
Case 3 178313.337 (187.341 + 121.928)
Case 4 178307.6 (178.609 + 121.833)
Case 6-5 178342.972 (222.166 + 114.499)
Case 6-4 178290.442 (170.888 + 114.488)
Case 6-2 178284.436 (162.236 + 117.673)
Case 6-1 178295.65 (171.905 + 119.452)
Case 6-3 178336.638 (207.57 + 125.133)
Case 7-1 175266.967 (154.795 + 110.143)
Case 7-2 173203.83 (122.137 + 77.6038)


Constants
     nCandMin = 5
     t_p0 = 1.071
     inclBpF = 0.1097
     inclB0F = 0.1025
Gaussian constraints on all ratios.

Case 1 - slope fixed; isospin symmetry for Bp and B0
Fix
     B_B0D = B_BpD / t_p0
     B_B0DS = B_BpDS / t_p0
     f_BpDD12 = 0.767
     f_BpDPiDD12 = 0.59
     f_BpDSPiDD12 = 0.65
ISGW2 model for B->Dlnu FF
MINOS is successful. Result is here


Case 2 - slope standard/old parameterization; isospin symmetry for Bp and B0
Fix
     B_B0D = B_BpD / t_p0
     B_B0DS = B_BpDS / t_p0
     f_BpDD12 = 0.767
     f_BpDPiDD12 = 0.59
     f_BpDSPiDD12 = 0.65
HQET model for B->Dlnu FF (Old parametrization)
MINOS is successful. Result is here


Case 3 - slope new parameterization; isospin symmetry for Bp and B0

Fix
     B_B0D = B_BpD / t_p0
     B_B0DS = B_BpDS / t_p0
     f_BpDD12 = 0.767
     f_BpDPiDD12 = 0.59
     f_BpDSPiDD12 = 0.65
HQET model for B->Dlnu FF (New parametrization)

Result is here
Branching fractionsSP5/SP6Fitted resultsNormalized BR
B->Dlnu 0.02100.0217976 +- 0.00082112 (3.76702 %)0.0246506 +- 0.000928593 (3.76702 %)
B->D*lnu0.05600.0544756 +- 0.00144265 (2.64825 %)0.0616057 +- 0.00163147 (2.64825 %)
B->D**/D(*)Pi lnu0.02700.0207304 +- 0.00125418 (6.04997 %)0.0234437 +- 0.00141834 (6.04997 %)
Sum0.10400.09700350.1097
f_BpDPiDD010.495046 +- 0.446323 (90.158 %)
f_BpDSPiDP1111.5747 +- 6.19014 (53.48 %)
B->D1lnu 0.00560.005237490.005923
B->D2*lnu 0.00370.004017150.00454294
B->D0*lnu 0.00200.003133440.00354357
B->D1'lnu 0.00370.0003276060.000370486
B->DPiplnu 0.00600.00155120.00175423
B->DPi0lnu 0.00300.0007755990.000877114
B->D*Piplnu 0.00200.003791940.00428825
B->D*Pi0lnu 0.00100.001895970.00214413
DiffB(D0)10.911478 +- 0.0497521 (5.4584 %)
DBCascL(D0)11.04534 +- 0.0718279 (6.87121 %)
CascL(D0)10.777452 +- 0.136898 (17.6085 %)
LMisID(D0)10.118209 +- 0.234031 (197.981 %)
RealD(D0)10.943876 +- 0.0522764 (5.53849 %)
DiffB(D+)10.618113 +- 0.118041 (19.097 %)
DBCascL(D+)10.672621 +- 0.153626 (22.8398 %)
CascL(D+)10.975925 +- 0.303915 (31.1412 %)
LMisID(D+)10.862257 +- 0.548063 (63.5615 %)
RealD(D+)11.18874 +- 0.122523 (10.307 %)
f_+0 11.10171 +- 0.0489449 (4.44264 %)
c_+010.998921 +- 0.039153 (3.91953 %)
slope 1.47121 +- 0.0581039 (3.94939 %)
# of bins192192
# of parameters018 - 4 = 14
# of dof192178
Chi-square313.337


Plots after fitting - not yet ready

Lepton momentum (D0KPi)
Lepton momentum (DchKPiPi)
D momentum (D0KPi)
D momentum (DchKPiPi)
cosBY (D0KPi)
cosBY (DchKPiPi)

Lepton momentum : bin by bin (D0KPi)
Lepton momentum : bin by bin (DchKPiPi)
D momentum : bin by bin (D0KPi)
D momentum : bin by bin (DchKPiPi)
cosBY : bin by bin (D0KPi)
cosBY : bin by bin (DchKPiPi)


Case 4 - slope new parameterization; all ratios floated; isospin symmetry for Bp and B0
Fix
     B_B0D = B_BpD / t_p0
     B_B0DS = B_BpDS / t_p0
HQET model for B->Dlnu FF (New parametrization)
Result is here


Case 5 - slope new parameterization; separate Bp->D*lnu and B0->D*lnu
Fix
     B_B0D = B_BpD / t_p0
     f_BpDD12 = 0.767
     f_BpDPiDD12 = 0.59
     f_BpDSPiDD12 = 0.65
HQET model for B->Dlnu FF (New parametrization)
Result is here
Branching fractionsSP5/SP6Fitted resultsNormalized BR
Bp->D*lnu 0.05600.052704 +- 0.00292775 (5.55509 %)0.0606377 +- 0.00336848 (5.55509 %)
B0->D*lnu0.05600.0534185 +- 0.00397654 (7.44413 %)0.058727 +- 0.00437172 (7.44413 %)
B0->D*lnu * t_p00.0572112 +- 0.0042860.0628966 +- 0.0047118


Case 6-1 - slope new parameterization; D*FF rho^2 +1 sigma; isospin symmetry for Bp and B0
Fix
     B_B0D = B_BpD / t_p0
     B_B0DS = B_BpDS / t_p0
     f_BpDD12 = 0.767
     f_BpDPiDD12 = 0.59
     f_BpDSPiDD12 = 0.65
HQET model for B->Dlnu FF (New parametrization)
Result is here


Case 6-2 - slope new parameterization; D*FF rho^2 +2 sigma; isospin symmetry for Bp and B0
Fix
     B_B0D = B_BpD / t_p0
     B_B0DS = B_BpDS / t_p0
     f_BpDD12 = 0.767
     f_BpDPiDD12 = 0.59
     f_BpDSPiDD12 = 0.65
HQET model for B->Dlnu FF (New parametrization)
Result is here


Case 6-3 - slope new parameterization; D*FF rho^2 -1 sigma; isospin symmetry for Bp and B0
Fix
     B_B0D = B_BpD / t_p0
     B_B0DS = B_BpDS / t_p0
     f_BpDD12 = 0.767
     f_BpDPiDD12 = 0.59
     f_BpDSPiDD12 = 0.65
HQET model for B->Dlnu FF (New parametrization)
Result is here


Case 6-4 - slope new parameterization; D*FF rho^2 +4 sigma; isospin symmetry for Bp and B0
Fix
     B_B0D = B_BpD / t_p0
     B_B0DS = B_BpDS / t_p0
     f_BpDD12 = 0.767
     f_BpDPiDD12 = 0.59
     f_BpDSPiDD12 = 0.65
HQET model for B->Dlnu FF (New parametrization)
Result is here


Case 6-5 - slope new parameterization; D*FF rho^2 +6 sigma; isospin symmetry for Bp and B0
Fix
     B_B0D = B_BpD / t_p0
     B_B0DS = B_BpDS / t_p0
     f_BpDD12 = 0.767
     f_BpDPiDD12 = 0.59
     f_BpDSPiDD12 = 0.65
HQET model for B->Dlnu FF (New parametrization)
Result is here


Case 7-1 - Electron only; slope new parameterization; isospin symmetry for Bp and B0
Fix
     B_B0D = B_BpD / t_p0
     B_B0DS = B_BpDS / t_p0
     f_BpDD12 = 0.767
     f_BpDPiDD12 = 0.59
     f_BpDSPiDD12 = 0.65
HQET model for B->Dlnu FF (New parametrization)
Result is here


Case 7-2 - Muon only; slope new parameterization; isospin symmetry for Bp and B0
Fix
     B_B0D = B_BpD / t_p0
     B_B0DS = B_BpDS / t_p0
     f_BpDD12 = 0.767
     f_BpDPiDD12 = 0.59
     f_BpDSPiDD12 = 0.65
HQET model for B->Dlnu FF (New parametrization)
Result is here