Data/MC comparison at 171.9 inv
pb
Cut | Data | Tot | q qbar | l+l- | WWEX | eeqq | more 4F | 2 phot |
Presel | 916. | 908.25± 4.81 | 566.58 | 13.51 | 295.05 | 18.85 | 6.65 | 7.61 |
Strong id. | 133. | 158.35± 2.49 | 55.61 | 6.21 | 77.57 | 13.28 | 3.32 | 2.36 |
Electr. energy | 62. | 66.63± 1.92 | 16.05 | 4.63 | 30.69 | 11.83 | 2.34 | 1.09 |
Fit prob. | 31. | 26.21± 1.47 | 5.95 | 3.05 | 6.44 | 8.94 | 1.11 | 0.73 |
Jet iso | 10. | 11.19± 0.29 | 0.44 | 0.00 | 1.04 | 8.31 | 0.86 | 0.54 |
Mass sel | 5. | 8.98± 0.27 | 0.29 | 0.00 | 0.72 | 6.94 | 0.49 | 0.54 |
B tag | 0. | 2.76± 0.08 | 0.07 | 0.00 | 0.04 | 2.22 | 0.43 | 0.00 |
Analysis of new MC samples is being
performed. Not yet included.
Data/MC comparison plots
Signal efficiency: see plot
Updated Data/MC and efficiency tables
(corresponding to 171.9 inv pb, and btag>-1)
Candidates:
110167/11034
5C: Mjet=92.7 GeV, Mee=Mz, fit prob=23% , btag=-1.15
4C: Mjet=92.5
Mee =91.5
14%
unfitted: recoil mass=93.7 GeV reco. jet mass=63.7 GeV Mee=87.4 GeV
111886/551
5C: Mjet=110.3 GeV, Mee=Mz, fit prob=4.6%, btag=-2.96
another
view Pzmiss=23.5
GeV: allowing ISR Mjet ~94 GeV (~ Mz) by Guennadi Borissov
4C: Mjet=107.8
Mee =93.5
2.5%
unfitted: recoil mass=109.5 GeV reco. jet mass=83.8 GeV Mee=91.8 GeV
113145/1923
5C: Mjet=93.5 GeV, Mee=Mz, fit prob=20% , btag=-3.1
4C: Mjet=91.5
Mee =93.2
13%
unfitted: recoil mass=95.5 GeV reco. jet mass=75.5 GeV Mee=92.6 GeV
113675/2812 5C:
Mjet=101.6 GeV, Mee=Mz, fit prob=19% , btag=-2.7
4C: Mjet=104.7
Mee =88.0
13%
unfitted: recoil mass=144.8 GeV reco. jet mass=89.4 GeV Mee=48.1 GeV
115244/10493
5C:
Mjet=106.1 GeV, Mee=Mz, btag=-10.
Fitted masses: M(ll) = 72.5 GeV; M(qq) = 104.4 GeV by Guennadi Borissov
(FORWARD
High Energy Electron).
4C: Mjet=127.3 Mee= 68.1
prob.=1.5%
unfitted: recoil mass=128.6 GeV reco. jet mass=64.4
GeV Mee=63.6 GeV
Rejected "candidate":
111851/1811
Mjet=90.5 GeV, Mee=Mz, fit prob=83%, btag=-2.16
4C: Mjet=94.2
Mee =86.3
87%
unfitted: recoil mass=99.4 GeV reco. jet mass=80.5 GeV Mee=84.7 GeV
Rejected by anti-Bhabha cut
Could be kept if Bhabha rejection applied
only to low multiplicity
No interesting candidate
so far, just ZZ events