CERN Accelerating science

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1.
Measurement of the top pair production cross-section in 8 TeV proton--proton collisions using kinematic information in the lepton+jets final state with ATLAS / ATLAS Collaboration
A measurement is presented of the tˉt inclusive production cross-section in pp collisions at a center-of-mass energy of s=8 TeV using data collected by the ATLAS detector at the CERN Large Hadron Collider. The measurement was performed in the lepton+jets final state using a data set corresponding to an integrated luminosity of 20.3 fb1. [...]
arXiv:1504.04251; CERN-PH-EP-2015-024; CERN-PH-EP-2015-024.- Geneva : CERN, 2015-06-24 - 25 p. - Published in : Phys. Rev. D 91 (2015) 112013 APS Open Access article: PDF; Fulltext: PDF; External links: Previous draft version; Preprint
2.
Search for vector-like B quarks in events with one isolated lepton, missing transverse momentum and jets at s= 8 TeV with the ATLAS detector / ATLAS Collaboration
A search has been performed for pair production of heavy vector-like down-type (B) quarks. The analysis explores the lepton-plus-jets final state, characterized by events with one isolated charged lepton (electron or muon), significant missing transverse momentum and multiple jets. [...]
arXiv:1503.05425; CERN-PH-EP-2015-036; CERN-PH-EP-2015-036.- Geneva : CERN, 2015-06-19 - 30 p. - Published in : Phys. Rev. D 91 (2015) 112011 APS Open Access article: PDF; Fulltext: PDF; External links: Previous draft version; Preprint
3.
Search for the Standard Model Higgs boson produced in association with top quarks and decaying into bˉb in pp collisions at s = 8 TeV with the ATLAS detector / ATLAS Collaboration
A search for the Standard Model Higgs boson produced in association with a pair of top quarks, tˉtH, is presented. The analysis uses 20.3 fb1 of pp collision data at s = 8 TeV, collected with the ATLAS detector at the Large Hadron Collider during 2012. [...]
arXiv:1503.05066; CERN-PH-EP-2015-047; CERN-PH-EP-2015-047.- Geneva : CERN, 2015-07-29 - 40 p. - Published in : Eur. Phys. J. C 75 (2015) 349 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF; External links: Previous draft version; Preprint
4.
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 / ATLAS Collaboration
A search is presented for a 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 analysis is performed using an integrated luminosity of 20.3 fb1 of pp collisions at s = 8 TeV collected by the ATLAS detector at the LHC. [...]
arXiv:1503.04677; CERN-PH-EP-2015-044; CERN-PH-EP-2015-044.- Geneva : CERN, 2015-05-12 - 12 p.
Article from SCOAP3: PDF; Fulltext: PDF; Springer Erratum: PDF; Springer Open Access article: PDF;
5.
Measurement of the forward-backward asymmetry of electron and muon pair-production in pp collisions at s = 7 TeV with the ATLAS detector / ATLAS Collaboration
This paper presents measurements from the ATLAS experiment of the forward-backward asymmetry in the reaction ppZ/γl+l, with l being electrons or muons, and the extraction of the effective weak mixing angle. The results are based on the full set of data collected in 2011 in pp collisions at the LHC at s = 7 TeV, corresponding to an integrated luminosity of 4.8 fb1. [...]
arXiv:1503.03709; CERN-PH-EP-2014-259; CERN-PH-EP-2014-259.- Geneva : CERN, 2015-09-09 - 25 p. - Published in : JHEP 09 (2015) 049 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External links: Rivet analyses reference; Rivet analyses reference; Rivet analyses reference
6.
Determination of spin and parity of the Higgs boson in the WWeνμν decay channel with the ATLAS detector / ATLAS Collaboration
Studies of the spin and parity quantum numbers of the Higgs boson in the WWeνμν final state  are presented,  based on proton--proton collision data collected by the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of 20.3 fb1 at a centre-of-mass energy of s=8 TeV. The Standard Model spin-parity JCP=0++ hypothesis is compared with alternative hypotheses for both spin and CP [...]
arXiv:1503.03643; CERN-PH-EP-2015-037; CERN-PH-EP-2015-037.- Geneva : CERN, 2015-05-27 - 59 p. - Published in : Eur. Phys. J. C 75 (2015) 231 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External links: Previous draft version; Preprint
7.
Evidence of Wγγ production in pp collisions at s=8 TeV and limits on anomalous quartic gauge couplings with the ATLAS detector / ATLAS Collaboration
This Letter reports evidence of triple gauge boson production ppW(ν)γγ+X, which is accessible for the first time with the 8~TeV LHC data set. The fiducial cross section for this process is measured in a data sample corresponding to an integrated luminosity of 20.3 fb1, collected by the ATLAS detector in 2012. [...]
arXiv:1503.03243; CERN-PH-EP-2015-009; CERN-PH-EP-2015-009.- Geneva : CERN, 2015-07-16 - 18 p. - Published in : Phys. Rev. Lett. 115 (2015) 031802 APS Open Access article: PDF; Fulltext: PDF; External links: Previous draft version; Preprint
8.
Determination of the off-shell Higgs boson signal strength in the high-mass ZZ and WW final states with the ATLAS detector / ATLAS Collaboration
Measurements of the ZZ and WW final states in the mass range above the 2mZ and 2mW thresholds provide a unique opportunity to measure the off-shell coupling strength of the Higgs boson. This paper presents a determination of the off-shell Higgs boson event yields normalised to the Standard Model prediction (signal strength) in the ZZ4, ZZ22ν and WWeνμν final states. [...]
arXiv:1503.01060; CERN-PH-EP-2015-026; CERN-PH-EP-2015-026.- Geneva : CERN, 2015-07-17 - 35 p. - Published in : Eur. Phys. J. C C75 (2015) 335 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External links: Previous draft version; Preprint
9.
A search for high-mass resonances decaying to τ+τ in pp collisions at s=8 TeV with the ATLAS detector / ATLAS Collaboration
A search for high-mass resonances decaying into τ+τ final states using proton-proton collisions at s=8 TeV produced by the Large Hadron Collider is presented. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 19.5-20.3 fb1.  No statistically significant excess above the Standard Model expectation is observed; 95% credibility upper limits are set on the cross section times branching fraction of Z resonances decaying into τ+τ pairs as a function of the resonance mass.  As a result, Z bosons of the Sequential Standard Model with masses less than 2.02 TeV are excluded at 95% credibility. [...]
arXiv:1502.07177; CERN-PH-EP-2015-018; CERN-PH-EP-2015-018.- Geneva : CERN, 2015-07-29 - 49 p. - Published in : JHEP 07 (2015) 157 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF;
10.
Differential top--antitop cross-section measurements as a function of observables constructed from final-state particles using pp collisions at s=7 TeV in the ATLAS detector / ATLAS Collaboration
Various differential cross-sections are measured in top-quark pair (tˉt) events produced in proton--proton collisions at a centre-of-mass energy of s=7 TeV at the LHC with the ATLAS detector. These differential cross-sections are presented in a data set corresponding to an integrated luminosity of 4.6 fb1. [...]
arXiv:1502.05923; CERN-PH-EP-2014-295; CERN-PH-EP-2014-295.- Geneva : CERN, 2015-06-16 - 63 p. - Published in : JHEP 06 (2015) 100 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Rivet analyses reference

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