PI/LHCb presentation - LHCb - Cern

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Tracking Stations & Magnet: mass and momentum resolution, tracking efficiencies Stephanie Hansmann-Menzemer 102 nd LHCC Meeting, 07.07.2010 14
Silicon Tracker IT 98.6% of channels working hit resolution [μm] IT TT TT 99.6% of channels working - old MC, inspired by test beam: 40 40 - data: 55 65 - hit resolution: 54 55 - misalignment: 10 35 pull → retuned hit resolution in MC (not yet in standard production) residual Stephanie Hansmann-Menzemer 102 nd LHCC Meeting, 07.07.2010 15 cluster size needs update MC data slope of track remaining difference will be improved by tuning the gain
Page 1 and 2: Tracking Report Stephanie Hansmann-
Page 3 and 4: Trigger and Data Taking Stephanie H
Page 5 and 6: Pile-up system Calorimeter Muon sys
Page 7 and 8: HLT1 minimum bias HLT1 physics pass
Page 9 and 10: GRID-Computing data successfully sh
Page 11 and 12: Vertex Locator precision measuremen
Page 13: new alignment including z translati
Page 17 and 18: Invariant Mass Resolution Very prec
Page 19 and 20: D → Kπππ D → Kπ Tracking Ef
Page 21 and 22: Muon ID Performance MuonID efficien
Page 23 and 24: Electron Identification J/ψ→ ee
Page 25 and 26: RICH 1: aerogel Single Photon Resol
Page 27 and 28: D * →D°(Kπ)π L = 2.7 nb -1 RIC
Page 29 and 30: Luminosity Measurement (some modifi
Page 31 and 32: 900 GeV 7 TeV Strange Hadron Ratios
Page 33 and 34: - clear contribution from D from b
Page 35: LHCb in very good shape! Conclusion

PI/LHCb presentation - LHCb - Cern

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