RESULTS ON BACKGROUND AND DATA
Channel |
Hadr. |
Presel. |
El. id. |
Jet.mult. |
P. fit |
Jet iso. |
E>40 GeV |
M>50 GeV |
btag<0.3 |
q q~ |
4850.7 |
116.7 |
2.95 |
2.95 |
0.79 |
0.29 |
0.20 |
0.10 |
0.10+-0.10 |
Bhabha |
2089.1 |
13.04 |
2.45 |
0.10 |
0 |
0 |
0 |
0 |
0 |
l+l- |
32.86 |
0.81 |
0.13 |
0 |
0 |
0 |
0 |
0 |
0 |
gam gam |
574.44 |
3.75 |
0.21 |
0.14 |
0 |
0 |
0 |
0 |
0 |
eeqq |
18.49 |
4.74 |
3.57 |
2.96 |
1.99 |
1.97 |
1.92 |
1.35 |
0.82+-0.10 |
llqq |
12.23 |
0.41 |
0.16 |
0.15 |
0.08 |
0.06 |
0 |
0 |
0 |
evqq |
123.82 |
12.62 |
3.56 |
3.20 |
0.73 |
0.69 |
0.69 |
0.65 |
0.32+-0.11 |
lvqq |
230.93 |
5.80 |
0.63 |
0.59 |
0.18 |
0.09 |
0.05 |
0.05 |
0.05+-0.05 |
qqqq |
381.54 |
9.56 |
0.71 |
0.71 |
0.13 |
0 |
0 |
0 |
0 |
Tot. bg. |
8314.1 |
166.9 |
14.37 |
10.86 |
3.90 |
3.10 |
2.86 |
2.15 |
1.29 |
Data |
8244 |
191 |
20 |
12 |
4 |
4 |
3 |
1 |
1 |
The efficiency (for 80 GeV higgs) and background as a function of the btag cut are show in the next table:
Btag cut | 0.005 | 0.01 | 0.02 | 0.05 | 0.10 | 0.15 | 0.20 | 0.30 | 0.40 | 0.50 | 1.00 |
Eff. | 37.2 | 38.4 | 39.9 | 42.0 | 43.7 | 44.9 | 45.7 | 46.7 | 47.5 | 47.8 | 49.7 |
Backgr. | 0.30 | 0.35 | 0.39 | 0.57 | 0.68 | 0.84 | 0.88 | 1.29 | 1.52 | 1.70 | 2.14 |
See also .ps plots