Recent results on top physics at ATLAS
M. Cristinziani
TL;DR
This paper reports on early measurements of top-quark properties and production at the ATLAS detector during the 2010 LHC run, including cross-section, mass, and decay characteristics.
Contribution
It presents the first results on top-quark physics from ATLAS using 2010 data, covering multiple measurements and searches for new phenomena.
Findings
Measured top-quark pair production cross-section.
Determined the top-quark mass.
Studied W helicity fractions and single-top production.
Abstract
During the 2010 pp run of the Large Hadron Collider at \surd s = 7 TeV, a substantial data sample of high pT triggers, 35/pb, has been collected by the ATLAS detector, corresponding to about 2,500 produced top-quark pair events containing at least one lepton (e or mu) in the final state. Measurements of the top-quark pair production cross-section, the top mass, the W helicity fractions in top-quark decays and studies of single-top quark production and top-quark pair production with anomalous missing transverse energy are presented.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Computational Physics and Python Applications · High-Energy Particle Collisions Research