Ulrich Heintz Brown University

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LHC projections for Higgs search • mH < 130 GeV – H γγ • 130 < mH < 190 GeV – H W+W- ℓℓνν • 190 < mH < 460 GeV – H ZZ ℓℓ ℓℓ • 460 < mH < 800 GeV – H W+W- ℓνqq E com = 14 TeV designed to discover Higgs with 100 < m H < 800 GeV 3/24/2011 Ulrich Heintz - Moriond QCD 28
the CMS experiment • homogeneous electromagnetic calorimeter – 78,000 lead tungstate crystals – excellent photon energy resolution – measure Hγγ # of events / 0.5 GeV m H = 130 GeV L = 100 fb -1 M γγ (GeV) 3/24/2011 Ulrich Heintz - Moriond QCD 29
Page 1 and 2: Hunting for the Higgs Boson Ulrich
Page 3 and 4: gauge theories • gauge theories d
Page 5 and 6: not just a nice idea • 1973 - Gar
Page 7 and 8: the mass of the Higgs boson • not
Page 9 and 10: theoretical problems • there is n
Page 11 and 12: L3 DELPHI e + e - collisions 1989:
Page 13 and 14: Higgs decay • look for Z+Higgs M
Page 15 and 16: signal or fluctuation? • 3 select
Page 17 and 18: 2000: the end of LEP 3/24/2011 Ulri
Page 19 and 20: Higgs production at Tevatron g g q
Page 21 and 22: Higgs search at Tevatron ZH ννbb
Page 23 and 24: can we see such a small signal? WW
Page 25 and 26: will the Tevatron find the Higgs? M
Page 27: Higgs production at LHC Higgs produ
Page 31 and 32: LHC Operations • 2010: - delivere
Page 33 and 34: LHC projections W. Quayle - this co

Ulrich Heintz Brown University

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