P_lep, P_D, cosBY plots
Kenji Hamano
Last modified : Nov 28, 2005
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R16b skims Run3 was used.
Data luminosities:
| luminosity | # events | # files |
|---|
| OnPeak | 30.630 fb-1 | 17527801/438622047 | 877 |
| OffPeak | 2.394 | 659867/31451100 | 33 |
MC luminosity is adjusted to 30 fb-1
| MC mode | cross section | selection rates | # events | # files |
|---|
| BpBm (1235) | 0.525e6 fb | 23854196/86492000 | 4343795 | 218 |
| B0B0bar (1237) | 0.525e6 | 17081965/61158000 | 4399112 | 220 |
| ccbar (1005) | 1.30e6 | 6127861/57700000 | 4141882 | 208 |
| uds (998) | 2.09e6 | 5639210/124040000 | 2850520 | 143 |
| tautau (3429) | 0.94e6 | 544465/69852000 | 219806 | 11 |
Bhabha veto is applied.
KMicroNotPionGTL is applied.
FitDprob > 0.01 and FitBprob > 0.01 are applied.
With and without thrust cut |cosDlnonDl| < 0.88
Bin definition
D momentum bin (4 bins):
0.5, 1.0, 1.5, 2.0, 2.5 GeV
Lepton momentum bin (5 bins):
1.4, 1.6, 1.8, 2.0, 2.2, 2.5 GeV
cosBY bin (4 bins):
-10, -2.5, -1.1, 1.1, 5
A. D0Kpi
D mass peak region : 1.864 +- 0.024 : 1.840 GeV < D mass < 1.888 GeV
D mass side band : 1.816 GeV < D mass < 1.840 GeV and 1.888 GeV < D mass < 1.912 GeV
Lepton momentum : no thrust cut
Lepton momentum : |cosDlnonD|<0.88
Lepton momentum : |cosDlnonD|<0.88, Total MC plot
D momentum : no thrust cut
D momentum : |cosDlnonD|<0.88
D momentum : |cosDlnonD|<0.88, Total MC plot
cosBY : no thrust cut
cosBY : |cosDlnonD|<0.88
cosBY : |cosDlnonD|<0.88, Total MC plot
B. DchKpipi
Only D mass peak region : 1.869 +- 0.024 : 1.845 < D mass < 1.893
D mass side band : 1.821 GeV < D mass < 1.845 GeV and 1.893 GeV < D mass < 1.917 GeV
Lepton momentum : no thrust cut
Lepton momentum : |cosDlnonD|<0.88
Lepton momentum : |cosDlnonD|<0.88, Total MC plot
D momentum : no thrust cut
D momentum : |cosDlnonD|<0.88
D momentum : |cosDlnonD|<0.88, Total MC plot
cosBY : no thrust cut
cosBY : |cosDlnonD|<0.88
cosBY : |cosDlnonD|<0.88, Total MC plot
Plots to see the distribution of each component
Lepton momentum : |cosDlnonD|<0.88
D momentum : |cosDlnonD|<0.88
cosBY : |cosDlnonD|<0.88
Plots after all cuts
D mass
Lepton momentum (D mas sideband subtracted)
D momentum (D mas sideband subtracted)
cosBY (D mas sideband subtracted)