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4-11 July 2012
Melbourne Convention and Exhibition Centre
Australia/Melbourne timezone
ICHEP2012 - 36th International Conference for High Energy Physics

ATLAS jet measurements, and subjet structure for boosted hadronic objects

5 Jul 2012, 14:30
15m
Room 219 (Melbourne Convention and Exhibition Centre)

Room 219

Melbourne Convention and Exhibition Centre

Melbourne Australia
Parallel Sessions Track 6. QCD, Jets, Parton Distributions TR 6 - RM 217 - QCD, Jets, Parton Distributions

Speaker

Mr Bertrand Chapleau (McGill University (CA))

Description

Comprehensive jet cross section measurements are presented, spanning the dijet mass range from 70 GeV to 5 TeV. In addition, event shapes constructed from jets are measured, as well as measurements of jets containing charm and beauty hadrons. These measurements constitute precision tests of QCD in a new energy regime, and show sensitivity to the parton densities in the proton and to the value of the strong coupling, alpha_s. The internal structure of jets is important at the LHC both as a test of perturbative QCD and as a tool for identifying boosted electroweak-scale objects decaying to hadrons. Detailed measurements of jet fragmentation, of subjet variables, single jet masses and jet shapes are presented and compared to the predictions of QCD.

Primary author

Mr Bertrand Chapleau (McGill University (CA))

Presentation materials