Performance of the ATLAS Detector using First Collision Data

Abstract

More than half a million minimum-bias events of LHC collision data were collected by the ATLAS experiment in December 2009 at centre-of-mass energies of 0.9 TeV and 2.36 TeV. This paper reports on studies of the initial performance of the ATLAS detector from these data. Comparisons between data and Monte Carlo predictions are shown for distributions of several track- and calorimeter-based quantities. The good performance of the ATLAS detector in these first data gives confidence for successful running at higher energies.

References in corpus (5)

• PYTHIA 6.4 Physics and Manual
• The ATLAS Simulation Infrastructure
• Charged-particle multiplicities in pp interactions measured with the ATLAS detector at the LHC
• Response Uniformity of the ATLAS Liquid Argon Electromagnetic Calorimeter
• Commissioning of the ATLAS Muon Spectrometer with Cosmic Rays

Cited by in corpus (23)

• CMB power spectrum parameter degeneracies in the era of precision cosmology
• Performance of pile-up mitigation techniques for jets in $pp$ collisions at $\sqrt{s}=8$ TeV using the ATLAS detector
• Electron performance measurements with the ATLAS detector using the 2010 LHC proton-proton collision data
• Jet energy scale measurements and their systematic uncertainties in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Performance of missing transverse momentum reconstruction in proton-proton collisions at 7 TeV with ATLAS
• Measurement of inclusive jet and dijet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS detector
• Performance of jet substructure techniques for large-R jets in proton-proton collisions at sqrt(s) = 7 TeV using the ATLAS detector
• Search for pair production of massive particles decaying into three quarks with the ATLAS detector in sqrt(s) = 7 TeV pp collisions at the LHC
• Measurement of $D^{\ast \pm }$, $D^{\pm }$ and $D_s^{\pm }$ meson production cross sections in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector
• Measurement of jet fragmentation in Pb+Pb and $pp$ collisions at $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV with the ATLAS detector
• Dark radiation from particle decay: cosmological constraints and opportunities
• Principal series of finite subgroups of SU(3)
• Measurement of event shapes at large momentum transfer with the ATLAS detector in pp collisions at sqrt(s) = 7 TeV
• Measurement of the charge asymmetry in top-quark pair production in the lepton-plus-jets final state in $pp$ collision data at $\sqrt{s}=8$ TeV with the ATLAS detector
• Quantum Gravity Constraints on Inflation
• Studies of the performance of the ATLAS detector using cosmic-ray muons
• Reconstructing singly produced top partners in decays to $\mathbf{Wb}$
• A search for top squarks with R-parity-violating decays to all-hadronic final states with the ATLAS detector in $\sqrt{s}$ = 8 TeV proton-proton collisions
• Measurement of $W$ boson angular distributions in events with high transverse momentum jets at $\sqrt{s}=$ 8 TeV using the ATLAS detector
• Measurement of the correlations between the polar angles of leptons from top quark decays in the helicity basis at $\sqrt{s}=7$TeV using the ATLAS detector
• Angular analysis of B --> V (--> P_1 P_2) l^+ l^- decays
• Boosted Top Quarks and Jet Structure
• Anomalously interacting new extra vector bosons and their first LHC constraints