My analysis on BToDlnu events                                                                        Kenji Hamano

Last modified : Mar 14, 2008                                    Back to Home         Old My analysis page


BToDlnu skim

BToDlnuMiniUser package

Contents of root-tuples

Background components

Event Selection with Run1234

Trk Eff and PID corrections with Run1234

D mass sideband subtraction

MC BF re-weighting

Incl B->D weight

Beam energy correction

Form Factor re-weighting

Test fit 1 (Electron + Muon)

GeneratorsQA

Eff matrix, PHOTOS

BLOR vs PHOTOS

Test fit 2 (Electron)

Toy fit (Electron)

Validation by splitted MC (Electron)

Fit results (old)

Systematic fit results (old)

Fit results (new)

Systematic fit results (new)


BToDPiPilnu

3D plots after bug fix

Test fit 0 (pLep, pD and cosBY cut)

Test fit 1 (pLep, pD) plane background cut

Test Fit 2 (R1 R2 Fix or Float)

Test Toy fit

Test Fit 3 (Fix BF(Other))

Test Fit 4

D mass plots with new binning

Toy fit (full Run1-4)

Fit configuration comparison

Validation by splitted MC (full Run1-4)

Electron only fits

Muon only fits

D* Babar FF vs fitted FF

BAD1586V7-2 (Including background cuts etc..)



Eff matrix, PHOTOS

Run by Run comparison

Fit results (full Run1-4) New

Toy MC (full Run1-4)

Validation by splitted MC (full Run1-4)

Fit results (full Run1-4)

Fit results (D0 vs D+)

Fit results (pLep cut, pD cut)

Fit results (Run by Run comparison)

Fit results (more cross checks)

Fit results (full Run1-4) old

New Event Selection with Run2

PID and Trk Eff corrections

MC BF re-weighting

Form Factor re-weighting

cosBY beam energy correction

Nominal fit, validation and systematics

New Nominal fit, validation and systematics

New New Nominal fit (D1 selection. cosBY fixed)

BAD1586 V6.5 just before fitting full Run1-4



Event Selection with Run2

Test Fit Results

Test Fit Results2 (Dmomentum dependent B->D incl BF, and D* isospin study)

Test Fit Results3 (coarse cosBY binning)

Test Fit Results4 (BF ratios)

Syatematic study 1 (Syatematic study bkg const)

Syatematic study 2

Isospin symmetry problem

(Syatematic study 3)

MC scaled cosBY

Syatematic study 4

Validation fit 1 : BF, FF parameters

Validation fit 2 : Effect of PID/TrkEff

New nominal fit and systematics

New nominal fit and systematics 2


Validation fit 1 : No slope fitting

New Plots

Fitting study : BF FF re-weighting

Fitting study : D** FF re-weighting (old)



Preliminary 3D analysis (after all cuts)

Fit Validation 2

Fit Results 2

Systematics

BAD1586 V1



Motivation

Possible Decay Processes

Feynman diagrams

Bhabha veto

Tighter kaon selection

Tighter muon selection and Additional lepton requirement

TreeFitter (Vertexing)

Thrust cut

Lepton miss ID, non-B background

P_lep, P_D, cosBY plots



Preliminary 3D analysis 1 (Binnig, cosDl or cosBY?)

Preliminary 3D analysis 2 (Final binning with cosBY)

B->Dlnu/D*lnu/D**lnu/DPilnu FF (Old. See BAD1586)

Fitting plan (Old. See BAD1586)
Fitting plan 2 (Old. See BAD1586)
Fitting plan 3 (Old. See BAD1586)

Preliminary Fitting Results 1

Preliminary Fitting Results 2 (Validation and Dlnu FF slope fitting)


Fit Validation

Fit Results 1


To do list

     Try "Double Tag" selection.



CM energy of the beam

Luminosity of BToDlnu skim

Vertexing and Nomber of Degree of Freedom

Chi-square and Probab

Uncertainty on Signal

Thrust axis

cosBY (Old. See BAD1586)

w (Old. See BAD1586)

Free parameters in B->Dlnu decay

Maximum D momentum in B->Dlnu decay

Isospin symmetry in BToDlnu decays (Old. See BAD1586)


pT to rach the outer end of DCH


m_ES, etc...


Upsilon decay and B decay