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-- PuneethKalavase - 09 Jan 2008

50-80 GeV

Standard Electron Reconstruction

Pt > 10 GeV && No Isolation
  Robust Cuts Loose Cuts Tight Cuts
Matched to Photons 785 (9.9 +/- 0.3%) 531 (20.5 +/- 0.8%) 311 (25.3 +/- 1.2%)
Matched to real Electrons From Dalitz Decays 73 (0.9 +/- 0.1%) 53 (2.0 +/- 0.3%) 35 (2.9 +/- 0.5%)
Matched to real Electrons from b, c decays 531 (6.7 +/- 0.3%) 474 (18.3 +/- 0.8%) 357 (29.1 +/- 1.3%)
Other (Mostly charged Pions, Kaons and Protons) 6570 (82.5 +/- 0.4%) 1526 (58.9 +/- 1.0%) 520 (42.4 +/- 1.4%)

Pt > 20 GeV Cut && No Isolation

  Robust Cuts Loose Cuts Tight Cuts
Matched to Photons 369 (15.1 +/- 0.7%) 285 (25.4 +/- 1.3%) 171 (32.5 +/- 2.0%)
Matched to real Electrons From Dalitz Decays 28 (1.1 +/- 0.2%) 21 (1.9 +/- 0.4%) 14 (2.7 +/- 0.7%)
Matched to real Electrons from b, c decays 158 (6.5 +/- 0.5%) 142 (12.6 +/- 1.0%) 105 (20.0 +/- 1.7%)
Other (Mostly charged Pions, Kaons and Protons) 1882 (77.2 +/- 0.8%) 675 (60.1 +/- 1.5%) 235 (44.7 +/- 2.2%)

Pt > 10 GeV Cut && Track Isolation (SumPt < 5.0 GeV )

  Robust Cuts Loose Cuts Tight Cuts
Matched to Photons 189 (12.4 +/- 0.8%) 138 (22.5 +/- 1.7%) 88 (26.1 +/- 2.4%)
Matched to real Electrons From Dalitz Decays 14 (0.9 +/- 0.2%) 10 (1.6 +/- 0.5%) 8 (2.4 +/- 0.8%)
Matched to real Electrons from b, c decays 163 (10.7 +/- 0.8%) 146 (23.8 +/- 1.7%) 124 (36.8 +/- 2.6%)
Other (Mostly charged Pions, Kaons and Protons) 1157 (75.9 +/- 1.1%) 318 (51.8 +/- 2.0%) 115 (34.1 +/- 2.6%)

Pt > 20 GeV Cut && Track Isolation (SumPt < 5.0 GeV )

  Robust Cuts Loose Cuts Tight Cuts
Matched to Photons 89 (16.0 +/- 1.6%) 78 (27.1 +/- 2.6%) 50 (35.0 +/- 4.0%)
Matched to real Electrons From Dalitz Decays 7 (1.3 +/- 0.5%) 6 (2.1 +/- 0.8%) 4 (2.8 +/- 1.4%)
Matched to real Electrons from b, c decays 38 (6.8 +/- 1.1%) 33 (11.5 +/- 1.9%) 29 (20.3 +/- 3.4%)
Other (Mostly charged Pions, Kaons and Protons) 421 (75.7 +/- 1.8%) 170 (59.0 +/- 2.9%) 59 (41.3 +/- 4.1%)

UCSD Electron Reconstruction

Pt > 10 GeV && No Isolation

  Robust Cuts Loose Cuts Tight Cuts
Matched to Photons 1478 (15.9 +/- 0.4%) 938 (28.4 +/- 0.8%) 478 (32.2 +/- 1.2%)
Matched to real Electrons From Dalitz Decays 79 (0.9 +/- 0.1%) 54 (1.6 +/- 0.2%) 32 (2.2 +/- 0.4%)
Matched to real Electrons from b, c decays 545 (5.9 +/- 0.2%) 476 (14.4 +/- 0.6%) 367 (24.7 +/- 1.1%)
Other (Mostly charged Pions, Kaons and Protons) 7162 (77.3 +/- 0.4%) 1829 (55.4 +/- 0.9%) 605 (40.7 +/- 1.3%)

Pt > 20 GeV && No Isolation

  Robust Cuts Loose Cuts Tight Cuts
Matched to Photons 655 (21.8 +/- 0.8%) 442 (31.6 +/- 1.2%) 247 (38.7 +/- 1.9%)
Matched to real Electrons From Dalitz Decays 28 (0.9 +/- 0.2%) 20 (1.4 +/- 0.3%) 11 (1.7 +/- 0.5%)
Matched to real Electrons from b, c decays 159 (5.3 +/- 0.4%) 141 (10.1 +/- 0.8%) 103 (16.1 +/- 1.5%)
Other (Mostly charged Pions, Kaons and Protons) 2158 (71.9 +/- 0.8%) 794 (56.8 +/- 1.3%) 276 (43.3 +/- 2.0%)

Pt > 10 GeV && Track Isolation (SumPt < 5.0 GeV )

  Robust Cuts Loose Cuts Tight Cuts
Matched to Photons 685 (28.9 +/- 0.9%) 453 (40.5 +/- 1.5%) 226 (41.4 +/- 2.1%)
Matched to real Electrons From Dalitz Decays 19 (0.8 +/- 0.2%) 13 (1.2 +/- 0.3%) 9 (1.6 +/- 0.5%)
Matched to real Electrons from b, c decays 175 (7.4 +/- 0.5%) 156 (14.0 +/- 1.0%) 133 (24.4 +/- 1.8%)
Other (Mostly charged Pions, Kaons and Protons) 1491 (62.9 +/- 1.0%) 494 (44.2 +/- 1.5%) 176 (32.2 +/- 2.0%)

Pt > 20 GeV && Track Isolation (SumPt < 5.0 GeV )

  Robust Cuts Loose Cuts Tight Cuts
Matched to Photons 280 (32.9 +/- 1.6%) 198 (42.2 +/- 2.3%) 112 (48.5 +/- 3.3%)
Matched to real Electrons From Dalitz Decays 9 (1.1 +/- 0.4%) 8 (1.7 +/- 0.6%) 5 (2.2 +/- 1.0%)
Matched to real Electrons from b, c decays 43 (5.1 +/- 0.8%) 36 (7.7 +/- 1.2%) 31 (13.4 +/- 2.2%)
Other (Mostly charged Pions, Kaons and Protons) 518 (60.9 +/- 1.7%) 226 (48.2 +/- 2.3%) 82 (35.5 +/- 3.1%)

  From Previous Table Pass d0 Cuts pass Conversion Cuts
Matched to Photons 462 (100%) 128 (27.7 +/- 2.1%) 94 (73.4 +/- 3.9%)
Matched to real Electrons From Dalitz Decays 13 (100%) 10 (76.9 +/- 11.7%) 7 (70.0 +/- 14.5%)
Matched to real Electrons from b, c decays 156 (100%) 146 (93.6 +/- 2.0%) 145 (99.3 +/- 0.7%)
Other (Mostly charged Pions, Kaons and Protons) 504 (100%) 364 (72.2 +/- 2.0%) 353 (97.0 +/- 0.9%)

  From Previous Table Pass d0 Cuts pass Conversion Cuts
Matched to Photons 139 (100%) 109 (78.4 +/- 3.5%) 80 (73.4 +/- 4.2%)
Matched to real Electrons From Dalitz Decays 10 (100%) 10 (100.0 +/- 0.0%) 7 (70.0 +/- 14.5%)
Matched to real Electrons from b, c decays 146 (100%) 139 (95.2 +/- 1.8%) 139 (100.0 +/- 0.0%)
Other (Mostly charged Pions, Kaons and Protons) 324 (100%) 305 (94.1 +/- 1.3%) 297 (97.4 +/- 0.9%)

  Passes Basic Cuts Pass d0 Cut Pass Conversion Cuts
GlobalGsfElectrons 5058 (100%) 5010 (99.1 +/- 0.1%) 4950 (98.8 +/- 0.2%)
PixelMatchGsfElectrons 4840 (100%) 4814 (99.5 +/- 0.1%) 4769 (99.1 +/- 0.1%)

  1_6_7   2_0_0  

  5-20 GeV 20-100 GeV 5-20 GeV 20-100 GeV
Basic Cuts 3.04 +/- 0.04% 3.57 +/- 0.03% 4.97 +/- 0.08% 6.28+/-0.09%
+tight El Id cuts 2.2 +/- 0.04% 3.4 +/- 0.03% 3.2 +/- 0.06% 5.96+/-0.09%

| | 1_6_7 2_0_0

  5-20 GeV 20-100 GeV 5-20 GeV 20-100 GeV
all eta 31.6 +/- 1.0% 44.7 +/- 0.4% 42.0 +/- 1.2% 40.3 +/- 0.8%
barrel 34.8 +/- 1.6% 44.9 +/- 0.7% 43.0 +/- 2.2% 39.5 +/- 1.5%
endcap 29.5 +/- 1.2% 42.2 +/- 0.5% 36.7 +/- 1.5% 37.2 +/- 0.9%
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Topic revision: r16 - 20 May 2008 - 12:02:13 - PuneethKalavase

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