Search
Now showing items 1-20 of 49
Measurement of the charge asymmetry in top quark pair production in pp collisions at √s = 7 TeV using the ATLAS detector
(2012)
A measurement of the top-antitop production charge asymmetry AC is presented using data corresponding to an integrated luminosity of 1.04 fb−1 of pp collisions at √s = 7 TeV collected by the ATLAS detector at the LHC. ...
Measurement of jet shapes in top-quark pair events at √s = 7 TeV using the ATLAS detector
(2013)
A measurement of jet shapes in top-quark pair events using 1.8 fb−1 of √s = 7 TeV pp collision data recorded by the ATLAS detector at the LHC is presented. Samples of top-quark pair events are selected in both the single-lepton ...
Jet energy measurement with the ATLAS detector in proton-proton collisions at √s = 7 TeV
(2013)
The jet energy scale and its systematic uncertainty are determined for jets measured with the ATLAS detector at the LHC in proton-proton collision data at a centre-of-mass energy of √ s = 7 TeV corresponding to an integrated ...
Search for the Standard Model Higgs boson produced in association with a vector boson and decaying to a b-quark pair with the ATLAS detector
(2012)
This Letter presents the results of a direct search with the ATLAS detector at the LHC for a Standard Model Higgs boson of mass 110⩽mH⩽130 GeV produced in association with a W or Z boson and decaying to bb¯. Three decay ...
Rapidity gap cross sections measured with the ATLAS detector in pp collisions at √s = 7 TeV
(2012)
Pseudorapidity gap distributions in proton-proton collisions at √s = 7 TeV are studied using a minimum bias data sample with an integrated luminosity of 7.1 μb−1. Cross sections are measured differentially in terms of ΔηF, ...
Search for FCNC single top-quark production at √s = 7 TeV with the ATLAS detector ✩
(2012)
A search for the production of single top-quarks via flavour-changing neutral-currents is presented. Data collected with the ATLAS detector at a centre-of-mass energy of s=7 TeV, corresponding to an integrated luminosity ...
Measurement of the cross section for the production of a W boson in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector ✩
(2012)
A measurement is presented of the cross section for the production of a W boson with one or two jets, of which at least one must be a b-jet, in pp collisions at √s = 7 TeV. Production via top decay is not included in the ...
Search for lepton flavour violation in the eμ continuum with the ATLAS detector in √s = 7 TeV pp collisions at the LHC
(2012)
This paper presents a search for the t-channel exchange of an R-parity violating scalar top quark (t) in the e±μ∓ continuum using 2.1 fb−1 of data collected by the ATLAS detector in √s = 7 TeV pp collisions at the Large ...
Measurement of the top quark mass with the template method in the tt ¯→ lepton + jets channel using ATLAS data
(2012)
The top quark mass has been measured using the
template method in the tt
¯→ lepton + jets channel based on
data recorded in 2011 with the ATLAS detector at the LHC.
The data were taken at a proton-proton centre-of-mass ...
Measurement of tt ¯ production with a veto on additional central jet activity in pp collisions at √s = 7 TeV using the ATLAS detector
(2012)
A measurement of the jet activity in tt events produced in proton–proton collisions at a centre-of-mass energy of 7 TeV is presented, using 2.05 fb-1 of integrated luminosity collected by the ATLAS detector at the Large ...
Search for heavy neutrinos and right-handed W bosons in events with two leptons and jets in pp collisions at √s = 7 TeV with the ATLAS detector
(2012)
This letter reports on a search for hypothetical heavy neutrinos, N, and right-handed gauge bosons, W R , in events with high transverse momentum objects which include two reconstructed leptons and at least one hadronic ...
Evidence for the associated production of a √ W boson and a top quark in ATLAS at s = 7 TeV ✩
(2012)
This Letter presents evidence for the associated production of a W boson and a top quark using 2.05 fb−1 of pp collision data at s=7TeV accumulated with the ATLAS detector at the LHC. The analysis is based on the selection ...
Search for the Higgs boson in the H → W W → ν jj decay channel at √s = 7 TeV with the ATLAS detector
(2012)
A search for the Standard Model Higgs boson has been performed in the H→WW→ℓνjj channel using 4.7 fb−1 of pp collision data recorded at a centre-of-mass energy of s=7 TeV with the ATLAS detector at the Large Hadron Collider. ...
A search for tt ¯ resonances with the ATLAS detector in 2.05 fb−1 of proton-proton collisions at √s = 7 TeV
(2012)
A search for top quark pair resonances in final states containing at least one electron or muon has been performed with the ATLAS experiment at the CERN Large Hadron Collider. The search uses a data sample corresponding ...
Search for doubly charged Higgs bosons in like-sign dilepton final states at √s = 7 TeV with the ATLAS detector
(2012)
A search for doubly charged Higgs bosons decaying to pairs of electrons and/or muons is presented. The search is performed using a data sample corresponding to an integrated luminosity of 4.7 fb−1of pp collisions at √s = ...
Measurement of dijet production with a veto on additional central jet activity in pp collisions at √s = 7 TeV using the ATLAS detector
(2011)
A measurement of jet activity in the rapidity interval bounded by a dijet system is presented. Events are vetoed if a jet with transverse momentum greater than 20GeV is found between the two boundary jets. The fraction of ...
Search for anomaly-mediated supersymmetry breaking with the ATLAS detector based on a disappearing-track signature in pp collisions at √s = 7 TeV
(2012)
In models of anomaly-mediated supersymmetry breaking (AMSB), the lightest chargino is predicted to have a lifetime long enough to be detected in collider experiments. This letter explores AMSB scenarios in pp collisions ...
Search for a fermiophobic Higgs boson in the diphoton decay channel with the ATLAS detector
(2012)
A search for a fermiophobic Higgs boson using diphoton events produced in proton-proton collisions at a centre-of-mass energy of √s = 7 TeV is performed using data corresponding to an integrated luminosity of 4.9 fb−1collected ...
Search for a heavy top-quark partner in final states with two leptons with the ATLAS detector at the LHC
(2012)
The results of a search for direct pair production of heavy top-quark partners in 4.7 fb–1 of integrated luminosity from pp collisions at √s = 7 TeV collected by the ATLAS detector at the LHC are reported. Heavy top-quark ...
Measurement of the top quark pair cross section with ATLAS in pp collisions at √s = 7 TeV using final states with an electron or a muon and a hadronically decaying τ lepton ✩
(2012)
A measurement of the cross section of top quark pair production in proton–proton collisions recorded with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of 7 TeV is reported. The data sample ...