Now showing items 1-20 of 218

• Beam-induced and cosmic-ray backgrounds observed in the ATLAS detector during the LHC 2012 proton-proton running period ﻿

(IOP Publishing, 2016)
This paper discusses various observations on beam-induced and cosmic-ray backgrounds in the ATLAS detector during the LHC 2012 proton-proton run. Building on published results based on 2011 data, the correlations between ...
• Charged-particle distributions at low transverse momentum in $$\sqrt{s} = 13$$ TeV pp interactions measured with the ATLAS detector at the LHC ﻿

(Springer Nature, 2016)
Measurements of distributions of charged particles produced in proton–proton collisions with a centre-of-mass energy of 13 TeV are presented. The data were recorded by the ATLAS detector at the LHC and correspond to an ...
• Charged-particle distributions in pp interactions at $$\sqrt{s}=8 \mathrm {\, TeV}$$ measured with the ATLAS detector ﻿

(Springer Nature, 2016)
This paper presents measurements of distributions of charged particles which are produced in proton–proton collisions at a centre-of-mass energy of √s = 8 TeV and recorded by the ATLAS detector at the LHC. A special dataset ...
• Charged-particle distributions in √s=13 TeV pp interactions measured with the ATLAS detector at the LHC ﻿

(Elsevier BV, 2016-07)
Charged-particle distributions are measured in proton–proton collisions at a centre-of mass energy of 13 TeV, using a data sample of nearly 9 million events, corresponding to an integrated luminosity of 170 µb−1, recorded ...
• Constraints on non-Standard Model Higgs boson interactions in an effective Lagrangian using differential cross sections measured in the H→γγ decay channel at s√=8 TeV with the ATLAS detector ﻿

(Elsevier BV, 2016)
The strength and tensor structure of the Higgs boson's interactions are investigated within an effective field theory framework, which allows new CP-even and CP-odd interactions that can lead to changes in the kinematic ...
• Dark Matter Interpretations of ATLAS Searches for the Electroweak Production of Supersymmetric Particles in S =8 TeV Proton-Proton Collisions ﻿

(Springer Nature, 2016)
A selection of searches by the ATLAS experiment at the LHC for the electroweak production of SUSY particles are used to study their impact on the constraints on dark matter candidates. The searches use 20 fb−1 of proton–proton ...
• Determination of Spin and Parity of the Higgs Boson in the WW ∗ →eνμν Decay Channel With the ATLAS Detector ﻿

(Springer Nature, 2015)
Studies of the spin and parity quantum numbers of the Higgs boson in the WW ∗ →eνμν final state are presented, based on proton–proton collision data collected by the ATLAS detector at the Large Hadron Collider, corresponding ...
• Determination of the ratio of b-quark fragmentation fractions fs/fd in pp collisions at s√=7 TeV with the ATLAS detector ﻿

(American Physical Society (APS), 2015)
With an integrated luminosity of 2.47 fb−1 recorded by the ATLAS experiment at the LHC, the exclusive decays B0s→J/ψϕ and B0d→J/ψK∗0 of B mesons produced in pp collisions at s√=7 TeV are used to determine the ratio of ...
• Determination of the Top-Quark Pole Mass Using T T + 1-Jet Events Collected With the ATLAS Experiment in 7 TeV Pp Collisions ﻿

(Springer Science and Business Media LLC, 2015-10)
The normalized differential cross section for top-quark pair production in association with at least one jet is studied as a function of the inverse of the invariant mass of the ����⎯⎯+ 1-jet system. This distribution can ...
• Dijet production in s√=7 TeV pp collisions with large rapidity gaps at the ATLAS experiment ﻿

(Elsevier BV, 2016)
A 6.8 nb−1 sample of pp collision data collected under low-luminosity conditions at s√=7 TeV by the ATLAS detector at the Large Hadron Collider is used to study diffractive dijet production. Events containing at least two ...
• Electron efficiency measurements with the ATLAS detector using 2012 LHC proton–proton collision data ﻿

(Springer Nature, 2017)
This paper describes the algorithms for the reconstruction and identification of electrons in the central region of the ATLAS detector at the Large Hadron Collider (LHC). These algorithms were used for all ATLAS results ...
• Erratum To: Search for New Phenomena in Final States With an Energetic Jet and Large Missing Transverse Momentum in Pp Collisions at √s = 8 TeV With the ATLAS Detector ﻿

(Springer Nature, 2015)
• Erratum To: Search for Production of WW / WZ Resonances Decaying to a Lepton, Neutrino and Jets in Pp Collisions at √s=8 TeV With the ATLAS Detector ﻿

(Springer Nature, 2015)
A search is presented for narrow diboson resonances decaying to WW or WZ in the final state where one W boson decays leptonically (to an electron or a muon plus a neutrino) and the other W/Z boson decays hadronically. The ...
• Evidence for Light-by-Light Scattering in Heavy-Ion Collisions With the ATLAS Detector at the LHC ﻿

(Springer Science and Business Media LLC, 2017-08-14)
Light-by-light scattering (γγ→γγ) is a quantum-mechanical process that is forbidden in the classical theory of electrodynamics. This reaction is accessible at the Large Hadron Collider thanks to the large electromagnetic ...
• Evidence for single top-quark production in the s-channel in proton-proton collisions at s√=8 TeV with the ATLAS detector using the Matrix Element Method ﻿

(Elsevier BV, 2016)
This Letter presents evidence for single top-quark production in the s-channel using proton-proton collisions at a centre-of-mass energy of 8 TeV with the ATLAS detector at the CERN Large Hadron Collider. The analysis is ...
• High-ET isolated-photon plus jets production in pp collisions at s√= 8 TeV with the ATLAS detector ﻿

(Elsevier BV, 2017)
The dynamics of isolated-photon plus one-, two- and three-jet production in pp collisions at a centre-of-mass energy of 8 TeV are studied with the ATLAS detector at the LHC using a data set with an integrated luminosity ...
• Identification and Energy Calibration of Hadronically Decaying Tau Leptons With the ATLAS Experiment in pp Collisions at √s=8 TeV ﻿

(Springer Nature, 2015)
This paper describes the trigger and offline reconstruction, identification and energy calibration algorithms for hadronic decays of tau leptons employed for the data collected from pp collisions in 2012 with the ATLAS ...
• Identification of boosted, hadronically decaying W bosons and comparisons with ATLAS data taken at s√=8 TeV ﻿

(Springer Nature, 2016)
This paper reports a detailed study of techniques for identifying boosted, hadronically decaying W bosons using 20fb−1 of proton-proton collision data collected by the ATLAS detector at the LHC at a centre-of-mass energy ...
• Identification of high transverse momentum top quarks in pp collisions at $$\sqrt{s}=8$$ TeV with the ATLAS detector ﻿

(Springer Nature, 2016)
This paper presents studies of the performance of several jet-substructure techniques, which are used to identify hadronically decaying top quarks with high transverse momentum contained in large-radius jets. The efficiency ...
• Inexpensive Microscopy for Introductory Laboratory Courses ﻿

(American Association of Physics Teachers, 2009)
We present an inexpensive apparatus for bright field and fluorescence microscopy with video capture, suitable for introductory laboratory courses. Experiments on Brownian motion and the Boltzmann distribution of suspended ...