| 35 | Event Selection: |
| 36 | |
| 37 | *Two same flavored lepton with opposite electric charge ( that pass lepton selection?) |
| 38 | *el[0] pt > 25 and el[1] pt >20 |
| 39 | *mu[0] pt > 20 and mu[1] pt > 20 |
| 40 | *dilep m = 91.1876( +- 0.0021) +- 15 |
| 41 | *dilep pt > 60 |
| 42 | |
| 43 | *events having more than one jet with pT > 30 GeV - remove |
| 44 | *b-tagged jet Veto : at least one bjet pt > 20, |eta| < 2.4 - remove |
| 45 | *if el[2 onwards] pt > 10 -remove |
| 46 | *if mu[2 onwards] pt > 5 -remove |
| 47 | *if tau pt >18 - remove |
| 48 | |
| 49 | *After optimization: |
| 50 | *MET > 100 |
| 51 | *Delta phi ( dilep.pt , ptmiss) > 2.6 rad |
| 52 | *|MET - dilep.pt| / dilep.pt < 0.4 |
| 53 | |