PI/LHCb presentation - LHCb - Cern

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Outlook in Even More Beautiful Future ... First fully reconstructed B signals event displays W candidates B°→D°π + B + → D + π L ~ 11 nb -1 many more to come very soon ... B + → J/ψ K L = 14 nb -1 Stephanie Hansmann-Menzemer 102 nd LHCC Meeting, 07.07.2010 34
<strong>LHCb</strong> in very good shape! Conclusion - detector performance and understanding steadily improving - several physics analysis are on their way to ICHEP: - minimum bias physics - b, open charm, J/ψ cross sections - waiting for many more B data to start core physics programme - task for the summer: “Which running conditions are best for our short and longterm physics goals?” Stephanie Hansmann-Menzemer 102 nd LHCC Meeting, 07.07.2010 35
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 and 14: new alignment including z translati
Page 15 and 16: Silicon Tracker IT 98.6% of channel
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: - clear contribution from D from b

PI/LHCb presentation - LHCb - Cern

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