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Early top-pair cross-section measurements at ATLAS
Top-quark pairs are expected to be produced copiously at the LHC, even at the lower beam energies and luminosities expected in the first year of running. Establishing the top-pair signal and measuring the production cross-section will be important benchmarks for ATLAS, which will also help understan...
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Lenguaje: | eng |
Publicado: |
2010
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Materias: | |
Acceso en línea: | http://cds.cern.ch/record/1245736 |
Sumario: | Top-quark pairs are expected to be produced copiously at the LHC, even at the lower beam energies and luminosities expected in the first year of running. Establishing the top-pair signal and measuring the production cross-section will be important benchmarks for ATLAS, which will also help understand the detector performance for events with high pT leptons, high jet multiplicity, missing transverse energy and b-jets. The prospects for early measurements with top-quark pairs at a centre of mass energy of 10 TeV will be shown, with a particular emphasis on the understanding of backgrounds through data-driven methods. |
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