Brian A. Cole - Thy Phy Bnl

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14(very) Preliminary LHC Jet Data: ATLAS• Reconstructed using anti-kT algorithm (R = 0.6)– ATLAS “topo-tower” algorithm (similar to D0 4-2-0)• Jet energies only at EM scale• ~ 10’s k jets reconstructed from first beam data
(very) Preliminary LHC Jet Data: CMSSalvatore Rappocio, Moriond (QCD) Talk• Anti-kT, R = 0.5• From left to right:– Calorimeter only, track-improved calo, particle flow⇒Track-improved & particle flow uses tracking,identification of neutral hadrons, photons, etc toimprove jet resolution.15
Page 1 and 2: High pT Physics: LHC ProspectsBrian
Page 3 and 4: CMS Event Display3
Page 5 and 6: 5Picturing (and understanding) high
Page 7 and 8: 7Picturing (and understanding) high
Page 9 and 10: Picturing (and understanding) jetsR
Page 11 and 12: Jet Algorithms, considerations• J
Page 13: Different Jet Algorithms13
Page 17 and 18: ATLAS Charged Particle Spectrum•
Page 19 and 20: Understanding A+A Jet MeasurementsC
Page 21 and 22: Jet “Suppression”Vitev,Ratio of
Page 23 and 24: 23Jet Modifications: ExpectationsWi
Page 25 and 26: ATLAS: Modified Fragmentation Func.
Page 27 and 28: True Jet measurements in progressST
Page 29: Prospects• 7 TeV p-p- LHC magnets

Brian A. Cole - Thy Phy Bnl

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