Fitting results                                                                        Kenji Hamano

Last modified : Sep 01, 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 cuts187803.402 (606.213 + 197.188)
trk eff PID corrected187609.329 (446.12 + 163.209)
new B->D*lnu FF187661.316 (501.988 + 159.327)
new D->Kenu BF187671.889 (508.86 + 163.029)


Chi-square after fitting
Condition# of dofChi-square
Case 0 171376.183 (243.819 + 127.801)
Case 1 170313.399 (187.82 + 123.486)
Case 2 170306.716 (182.137 + 122.538)
Case 3 169303.475 (180.742 + 120.379)


Constants
     t_p0 = 1.071
     f_BDD0 = 0.88
     f_BDDP1 = 1.61
     f_BDD2 = 0.77
     f_BDPi = 0.66
     inclBpF = 0.1112
     inclB0F = 0.1034

Case 0 - slope fixed; isospin symmetry for Bp and B0

Fix
     B_B0D = B_BpD / t_p0
     B_B0DS = B_BpDS / t_p0
ISGW2 model for B->Dlnu FF

MINOS is successful. Result is here
Branching fractionsSP5/SP6Fitted resultsNormalized BR
B->Dlnu 0.02100.0220616 +- 0.000957631 (4.34071 %)0.024604 +- 0.00106799 (4.34071 %)
B->D*lnu0.05600.0563638 +- 0.00171274 (3.03873 %)0.0628591 +- 0.00191012 (3.03873 %)
B->D**lnu0.01500.00851485 +- 0.00119529 (14.0377 %)0.0094961 +- 0.00133304 (14.0377 %)
B->D(*)Pilnu0.01200.0127693 +- 0.00163152 (12.7769 %)0.0142408 +- 0.00181953 (12.7769 %)
Sum0.10400.09970950.1112
DiffB(D0)10.864342 +- 0.0494936 (5.72615 %)
DBCascL(D0)11.10866 +- 0.0692942 (6.25026 %)
CascL(D0)10.694826 +- 0.131945 (18.9896 %)
LMisID(D0)10.00000 +- 0.138036 (5.61056e+08 %)
RealD(D0)10.910064 +- 0.05288 (5.81058 %)
DiffB(D+)10.558835 +- 0.112829 (20.19 %)
DBCascL(D+)10.771422 +- 0.146004 (18.9266 %)
CascL(D+)11.0132 +- 0.286367 (28.2636 %)
LMisID(D+)10.168287 +- 0.454861 (270.288 %)
RealD(D+)10.935353 +- 0.114285 (12.2184 %)
f_+0 11.12797 +- 0.0483033 (4.28232 %)
c_+011.076 +- 0.0393517 (3.65723 %)
# of bins187187
# of parameters016
# of dof177171
Chi-square376.183


Plots after fitting

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 1 - slope standard/old parameterization; 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 (Old parametrization)

MINOS is successful. Result is here
Branching fractionsSP5/SP6Fitted resultsNormalized BR
B->Dlnu 0.02100.0250477 +- 0.00117447 (4.68891 %)0.027298 +- 0.00127998 (4.68891 %)
B->D*lnu0.05600.0548658 +- 0.00174845 ( %)0.059795 +- 0.00190553 (3.18677 %)
B->D**lnu0.01500.00927469 +- 0.00121839 (13.1367 %)0.0101079 +- 0.00132785 (13.1367 %)
B->D(*)Pilnu0.01200.0128451 +- 0.0016708 (13.0073 %)0.0139991 +- 0.0018209 (13.0073 %)
Sum0.10400.1020330.1112
DiffB(D0)10.893967 +- 0.0503033 (5.62697 %)
DBCascL(D0)11.00682 +- 0.0738799 (7.33794 %)
CascL(D0)10.692623 +- 0.144869 (20.916 %)
LMisID(D0)10.175464 +- 0.224735 (128.08 %)
RealD(D0)10.992945 +- 0.0545935 (5.49814 %)
DiffB(D+)10.591759 +- 0.119507 (20.1953 %)
DBCascL(D+)10.564115 +- 0.155397 (27.5471 %)
CascL(D+)11.03735 +- 0.303397 (29.2474 %)
LMisID(D+)10.981192 +- 0.540069 (55.0421 %)
RealD(D+)11.23847 +- 0.12926 (10.4371 %)
f_+0 11.10286 +- 0.0489065 (4.43453 %)
c_+011.00374 +- 0.0385885 (3.84446 %)
slope 0.869909 +- 0.0359228 (4.12949 %)
# of bins187187
# of parameters017
# of dof177170
Chi-square313.399


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 2 - slope new parameterization; 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
Branching fractionsSP5/SP6Fitted resultsNormalized BR
B->Dlnu 0.02100.0222127 +- 0.00106972 (4.81581 %)0.0249739 +- 0.0012027 (4.81581 %)
B->D*lnu0.05600.05461 +- 0.00173115 ( %)0.0613983 +- 0.00194634 (3.17003 %)
B->D**lnu0.01500.00969201 +- 0.00124024 (12.7965 %)0.0108968 +- 0.00139441 (12.7965 %)
B->D(*)Pilnu0.01200.0123908 +- 0.00164547 (13.2798 %)0.0139311 +- 0.00185001 (13.2798 %)
Sum0.10400.0989050.1112
DiffB(D0)10.889021 +- 0.0503672 (5.66546 %)
DBCascL(D0)11.01427 +- 0.0733649 (7.23329 %)
CascL(D0)10.702461 +- 0.140997 (20.0719 %)
LMisID(D0)10.16232 +- 0.250413 (154.271 %)
RealD(D0)10.985316 +- 0.0527383 (5.35242 %)
DiffB(D+)10.579717 +- 0.120742 (20.8278 %)
DBCascL(D+)10.578428 +- 0.153608 (26.556 %)
CascL(D+)11.05993 +- 0.306752 (28.9408 %)
LMisID(D+)10.973519 +- 0.543046 (55.7817 %)
RealD(D+)11.2352 +- 0.127901 (10.3547 %)
f_+0 11.10171 +- 0.0489449 (4.44264 %)
c_+010.998921 +- 0.039153 (3.91953 %)
slope 1.4594 +- 0.0533835 (3.6579 %)
# of bins187187
# of parameters017
# of dof187170
Chi-square306.716


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 3 - slope new parameterization; separate Bp->D*lnu and B0->D*lnu

Fix
     B_B0D = B_BpD / t_p0
HQET model for B->Dlnu FF (New parametrization)

Result is here
Branching fractionsSP5/SP6Fitted resultsNormalized BR
Bp->Dlnu 0.02100.0227954 +- 0.00120626 (5.29167 %)0.0267354 +- 0.00141475 (5.29167 %)
Bp->D*lnu0.05600.0498627 +- 0.00314588 (6.30908 %)0.0584809 +- 0.00368961 (6.30908 %)
Bp->D**lnu0.01500.00976394 +- 0.00124705 (12.772 %)0.0114515 +- 0.00146259 (12.772 %)
Bp->D(*)Pilnu0.01200.0123906 +- 0.00170918 (13.7941 %)0.0145322 +- 0.00200459 (13.7941 %)
Sum0.10400.09481270.1112
B0->Dlnu 0.02100.0218841 +- 0.00115804 (5.29167 %)
B0->D*lnu0.05600.0585954 +- 0.0048169 (8.22061 %)0.0602469 +- 0.00495267 (8.22061 %)
B0->D**lnu0.01500.00937361 +- 0.0012822 (13.6788 %)
B0->D(*)Pilnu0.01200.0118953 +- 0.00175735 (14.7735 %)
Sum0.10400.1005660.1034
DiffB(D0)10.898956 +- 0.0513493 (5.71211 %)
DBCascL(D0)11.01681 +- 0.075901 (7.46459 %)
CascL(D0)10.721798 +- 0.142203 (19.7012 %)
LMisID(D0)10.143765 +- 0.244981 (170.404 %)
RealD(D0)10.973607 +- 0.0547235 (5.6207 %)
DiffB(D+)10.590413 +- 0.126113 (21.3601 %)
DBCascL(D+)10.659272 +- 0.168104 (25.4984 %)
CascL(D+)11.11072 +- 0.320642 (28.8679 %)
LMisID(D+)10.941694 +- 0.567672 (60.282 %)
RealD(D+)11.32524 +- 0.146393 (11.0465 %)
f_+0 11.09375 +- 0.0508022 (4.64477 %)
c_+010.945694 +- 0.0487583 (5.15582 %)
slope 1.44517 +- 0.0596802 (4.12962 %)
# of bins187187
# of parameters018
# of dof187169
Chi-square303.475


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; 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
HQET model for B->Dlnu FF (New parametrization)

Result is here
Branching fractionsSP5/SP6Fitted resultsNormalized BR
B->Dlnu 0.02100.0222947 +- 0.000999436 (4.48285 %)0.0255224 +- 0.00114413 (4.48285 %)
B->D*lnu0.05600.0541513 +- 0.00167945 (3.1014 %)0.0619912 +- 0.0019226 (3.1014 %)
B->D**lnu0.01500.0110709 +- 0.00123323 (11.1394 %)0.0126737 +- 0.00141177 (11.1394 %)
B->D(*)Pilnu0.01200.00962001 +- 0.00162835 (16.9267 %)0.0110128 +- 0.00186409 (16.9267 %)
Sum0.10400.09713690.1112
DiffB(D0)10.842356 +- 0.0487205 (5.78384 %)
DBCascL(D0)11.0294 +- 0.0711985 (6.91648 %)
CascL(D0)10.776846 +- 0.138976 (17.8898 %)
LMisID(D0)10.29831 +- 0.235315 (78.8829 %)
RealD(D0)10.975894 +- 0.0522399 (5.35303 %)
DiffB(D+)10.588847 +- 0.101835 (17.294 %)
DBCascL(D+)10.616058 +- 0.142217 (23.085 %)
CascL(D+)11.12585 +- 0.281197 (24.9763 %)
LMisID(D+)10.948159 +- 0.506943 (53.4661 %)
RealD(D+)11.18966 +- 0.120742 (10.1493 %)
f_+0 11.1102 +- 0.0469924 (4.23278 %)
c_+011.00058 +- 0.0378214 (3.77996 %)
slope 1.42188 +- 0.0525452 (3.69548 %)
# of bins187187
# of parameters017
# of dof187170
Chi-square292.73


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 5 - 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
HQET model for B->Dlnu FF (New parametrization)

Result is here


Case 6 - 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
HQET model for B->Dlnu FF (New parametrization)

Result is here