Browsing by Author "Huth, John"
Now showing items 1-20 of 424
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Analysis of the Wtb vertex from the measurement of triple-differential angular decay rates of single top quarks produced in the t-channel at s√ = 8 TeV with the ATLAS detector
Franklin, Melissa; Huth, John; Morii, MasahiroThe electroweak production and subsequent decay of single top quarks in the t-channel is determined by the properties of the Wtb vertex, which can be described by the complex parameters of an effective Lagrangian. An ... -
Beam-induced and cosmic-ray backgrounds observed in the ATLAS detector during the LHC 2012 proton-proton running period
Franklin, Melissa; Huth, John; Morii, Masahiro (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 ... -
Centrality, rapidity, and transverse momentum dependence of isolated prompt photon production in lead-lead collisions at √ s N N = 2.76 TeV measured with the ATLAS detector
Franklin, Melissa; Huth, John; Morii, Masahiro (American Physical Society (APS), 2016-03-28) -
Charged-particle distributions at low transverse momentum in $$\sqrt{s} = 13$$ TeV pp interactions measured with the ATLAS detector at the LHC
Franklin, Melissa; Huth, John; Morii, Masahiro (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
Franklin, Melissa; Huth, John; Morii, Masahiro (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
Franklin, Melissa; Huth, John; Morii, Masahiro (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 ... -
Combination of inclusive and differential tt charge asymmetry measurements using ATLAS and CMS data at √s = 7 and 8 TeV
Franklin, Melissa; Huth, John; Morii, MasahiroThis paper presents combinations of inclusive and differential measurements of the charge asymmetry (AC) in top quark pair (tt) events with a lepton+jets signature by the ATLAS and CMS Collaborations, using data from LHC ... -
Combination of searches for heavy resonances decaying into bosonic and leptonic final states using 36 fb−1 of proton-proton collision data at s=13 TeV with the ATLAS detector
Franklin, Melissa; Morii, Masahiro; Huth, John (American Physical Society (APS), 2018-09-26)Searches for new heavy resonances decaying into different pairings of W, Z, or Higgs bosons, as well as directly into leptons, are presented using a data sample corresponding to 36.1 fb−1 of pp collisions at pffiffi s 1⁄4 ... -
Combination of the Searches for Pair-Produced Vectorlike Partners of the Third-Generation Quarks at s=13 TeV with the ATLAS Detector
Franklin, Melissa; Huth, John; Morii, Masahiro (American Physical Society (APS), 2018-11-20)A combination of the searches for pair-produced vectorlike partners of the top and bottom quarks in various decay channels (T → Zt=Wb=Ht, B → Zb=Wt=Hb) is performed using 36.1 fb−1 of pp collision data at s 1⁄4 13 TeV with ... -
Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at Ebeam=4 TeV
Franklin, Melissa; Huth, John; Morii, Masahiro (IOP Publishing, 2018-12-04)Results of dedicated Monte Carlo simulations of beam-induced background (BIB) in the ATLAS experiment at the Large Hadron Collider (LHC) are presented and compared with data recorded in 2012. During normal physics operation ... -
Constraints on new phenomena via Higgs boson couplings and invisible decays with the ATLAS detector
Franklin, Melissa; Huth, John; Morii, Masahiro (Springer Science and Business Media LLC, 2015-11) -
Constraints on non-Standard Model Higgs boson interactions in an effective Lagrangian using differential cross sections measured in the H → γ γ decay channel at √s = 8 TeV with the ATLAS detector
Franklin, Melissa; Huth, John; Morii, MasahiroThe strength and tensor structure of the Higgs boson’s interactions are investigated using an effective Lagrangian, which introduces additional CP-even and CP-odd interactions that lead to changes in the kinematic properties ... -
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
Clark, Brian Lee; Franklin, Melissa; Huth, John; Ippolito, Valerio; Lazovich, Tomo; Lopez Mateos, David; Mercurio, Kevin; Morii, Masahiro; Skottowe, Hugh Philip; Spearman, William; Sun, Siyuan; Tolley, Emma; Tuna, Alexander; Yen, Andy; Zambito, Stefano (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 ... -
Constraints on off-shell Higgs boson production and the Higgs boson total width in ZZ → 4ℓ and ZZ → 2ℓ2ν final states with the ATLAS detector
Franklin, Melissa; Huth, John; Morii, Masahiro (Elsevier BV, 2018-11) -
Correlated long-range mixed-harmonic fluctuations measured in pp, p+Pb and low-multiplicity Pb+Pb collisions with the ATLAS detector
Franklin, Melissa; Huth, John; Morii, Masahiro (Elsevier BV, 2019-02)Correlations of two flow harmonics vn and vm via three- and four-particle cumulants are measured in 13 TeV pp, 5.02 TeV p+Pb, and 2.76 TeV peripheral Pb+Pb collisions with the ATLAS detector at the LHC. The goal is to ... -
Dark Matter Interpretations of ATLAS Searches for the Electroweak Production of Supersymmetric Particles in S =8 TeV Proton-Proton Collisions
Franklin, Melissa; Huth, John; Morii, Masahiro; Spearman, William (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
Clark, Brian Lee; Franklin, Melissa; Huth, John; Ippolito, Valerio; Lopez Mateos, David; Mercurio, Kevin; Morii, Masahiro; Spearman, William; Sun, Siyuan; Tolley, Emma; Yen, Andy (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
Clark, Brian Lee; Franklin, Melissa; Huth, John; Ippolito, Valerio; Lazovich, Tomo; Lopez Mateos, David; Mercurio, Kevin; Morii, Masahiro; Spearman, William; Sun, Siyuan; Tolley, Emma; Yen, Andy; Zambito, Stefano (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 strong coupling constant αs from transverse energy-energy correlations in multijet events at s√=8 TeV using the ATLAS detector
Franklin, Melissa; Huth, John; Morii, MasahiroMeasurements of transverse energy-energy correlations and their associated asymmetries in multi-jet events using the ATLAS detector at the LHC are presented. The data used correspond to s√=8 TeV proton-proton collisions ... -
Determination of the Top-Quark Pole Mass Using T T + 1-Jet Events Collected With the ATLAS Experiment in 7 TeV Pp Collisions
Morii, Masahiro; Franklin, Melissa; Clark, B; Huth, John; Spearman, William; Lopez Mateos, D; Ippolito, Victoria; Barreiro Guimarães da Costa, J; Skottowe, H (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 ...