G. Ernis

article

Erratum to: Measurement of the W boson polarisation in $$t\bar{t}$$ tt¯ events from pp collisions at $$\sqrt{s} = 8~\hbox {TeV}$$ s=8TeV in the lepton + jets channel with ATLAS

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, more

The European Physical Journal C > 2019 > 79 > 1 > 1-14

This change does not have any impact on the measured helicity fractions, but it changes the obtained limits on the anomalous couplings.

article

Erratum to: Measurement of the W-boson mass in pp collisions at $$\sqrt{s}=7\,\hbox {TeV}$$ s=7TeV with the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, more

The European Physical Journal C > 2018 > 78 > 11 > 1-14

It has been found that Figure 30 shows the 68% and 99% confidence-level contours for the W boson and top quark mass measurements, instead of the 68% and 95% confidence-level contours, as stated in the legend.

article

Measurement of quarkonium production in proton–lead and proton–proton collisions at $$5.02~\mathrm {TeV}$$ 5.02TeV with the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, more

The European Physical Journal C > 2018 > 78 > 3 > 1-32

The modification of the production of $$J/\psi $$ J/ψ , $$\psi (2\mathrm {S})$$ ψ(2S) , and $$\varUpsilon (n\mathrm {S})$$ Υ(nS) ($$n = 1, 2, 3$$ n=1,2,3 ) in p+Pb collisions with respect to their production in pp collisions has been studied. The p+Pb and pp datasets used in this paper correspond to integrated luminosities of $$28~\mathrm {nb}^{-1}$$ 28nb-1 and $$25~\mathrm {pb}^{-1}$$ 25pb-1 respectively,...

article

Measurement of the W-boson mass in pp collisions at $$\sqrt{s}=7\, \hbox {TeV}$$ s=7TeV with the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, more

The European Physical Journal C > 2018 > 78 > 2 > 1-61

A measurement of the mass of the W boson is presented based on proton–proton collision data recorded in 2011 at a centre-of-mass energy of 7 TeV with the ATLAS detector at the LHC, and corresponding to $$4.6~\hbox {fb}^{-1}$$ 4.6fb-1 of integrated luminosity. The selected data sample consists of $$7.8\times 10^6$$ 7.8×106 candidates in the $$W\rightarrow \mu \nu $$ W→μν channel and $$5.9\times...

article

Measurement of the cross-section for producing a W boson in association with a single top quark in pp collisions at s=13 $$ \sqrt{s}=13 $$ TeV with ATLAS

The ATLAS collaboration, M. Aaboud, G. Aad, B. Abbott, more

Journal of High Energy Physics > 2018 > 2018 > 1 > 1-42

Abstract The inclusive cross-section for the associated production of a W boson and top quark is measured using data from proton-proton collisions at s=13 $$ \sqrt{s}=13 $$ TeV. The dataset corresponds to an integrated luminosity of 3.2 fb⁻¹, and was collected in 2015 by the ATLAS detector at the Large Hadron Collider at CERN. Events are selected requiring two opposite sign isolated leptons and...

article

Determination of the strong coupling constant $$\alpha _\mathrm {s}$$ α s from transverse energy–energy correlations in multijet events at $$\sqrt{s} = 8~\hbox {TeV}$$ s = 8 TeV using the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, more

The European Physical Journal C > 2017 > 77 > 12 > 1-34

Measurements 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 $$\sqrt{s} = 8~\hbox {TeV}$$ s = 8 TeV proton–proton collisions with an integrated luminosity of 20.2 $$~\hbox {fb}^{-1}$$ fb - 1 . The results are presented in bins of the scalar sum...

article

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 $$ \sqrt{s}=8 $$ TeV with the ATLAS detector

The ATLAS collaboration, M. Aaboud, G. Aad, B. Abbott, more

Journal of High Energy Physics > 2017 > 2017 > 12 > 1-60

Abstract The 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 analysis of a triple-differential decay rate in t-channel production is used to simultaneously determine five generalised helicity fractions and phases, as well as the polarisation...

article

Measurements of top-quark pair differential cross-sections in the lepton+jets channel in pp collisions at s=13 $$ \sqrt{s}=13 $$ TeV using the ATLAS detector

The ATLAS collaboration, M. Aaboud, G. Aad, B. Abbott, more

Journal of High Energy Physics > 2017 > 2017 > 11 > 1-69

Abstract Measurements of differential cross-sections of top-quark pair production in fiducial phase-spaces are presented as a function of top-quark and tt¯ $$ t\overline{t} $$ system kinematic observables in proton-proton collisions at a centre-of-mass energy of s=13 $$ \sqrt{s}=13 $$ TeV. The data set corresponds to an integrated luminosity of 3.2 fb⁻¹, recorded in 2015 with the ATLAS detector...

article

Measurement of detector-corrected observables sensitive to the anomalous production of events with jets and large missing transverse momentum in $$\varvec{pp}$$ p p collisions at $$\mathbf {\sqrt{s}=13}$$ s = 13 TeV using the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, more

The European Physical Journal C > 2017 > 77 > 11 > 1-31

Observables sensitive to the anomalous production of events containing hadronic jets and missing momentum in the plane transverse to the proton beams at the Large Hadron Collider are presented. The observables are defined as a ratio of cross sections, for events containing jets and large missing transverse momentum to events containing jets and a pair of charged leptons from the decay of a $$Z/\gamma...

article

Measurement of jet pT correlations in Pb+Pb and pp collisions at sNN=2.76 TeV with the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, more

Physics Letters B > 2017 > 774 > C > 379-402

Measurements of dijet pT correlations in Pb+Pb and pp collisions at a nucleon–nucleon centre-of-mass energy of sNN=2.76 TeV are presented. The measurements are performed with the ATLAS detector at the Large Hadron Collider using Pb+Pb and pp data samples corresponding to integrated luminosities of 0.14 nb−1 and 4.0 pb−1, respectively. Jets are reconstructed using the anti-kt algorithm with radius...

article

Measurement of b-hadron pair production with the ATLAS detector in proton-proton collisions at s=8 $$ \sqrt{s}=8 $$ TeV

The ATLAS collaboration, M. Aaboud, G. Aad, B. Abbott, more

Journal of High Energy Physics > 2017 > 2017 > 11 > 1-51

Abstract A measurement of b-hadron pair production is presented, based on a data set corresponding to an integrated luminosity of 11.4 fb⁻¹ of proton-proton collisions recorded at s=8 $$ \sqrt{s}=8 $$ TeV with the ATLAS detector at the LHC. Events are selected in which a b-hadron is reconstructed in a decay channel containing J/ψ → μμ, and a second b-hadron is reconstructed in a decay channel containing...

article

ATLAS Collaboration

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, more

Nuclear Physics A > 2017 > 967 > C > 942-964

article

Correction to: Identification and rejection of pile-up jets at high pseudorapidity with the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, more

The European Physical Journal C > 2017 > 77 > 10 > 1-14

Unfortunately, in the original version of this article the copyright holder was wrong in the HTML. The original article has been corrected.

article

Performance of the ATLAS track reconstruction algorithms in dense environments in LHC Run 2

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, more

The European Physical Journal C > 2017 > 77 > 10 > 1-30

With the increase in energy of the Large Hadron Collider to a centre-of-mass energy of 13 $$\text {TeV}$$ TeV for Run 2, events with dense environments, such as in the cores of high-energy jets, became a focus for new physics searches as well as measurements of the Standard Model. These environments are characterized by charged-particle separations of the order of the tracking detectors sensor granularity...

article

Measurement of the W+W− production cross section in pp collisions at a centre-of-mass energy of s=13 TeV with the ATLAS experiment

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, more

Physics Letters B > 2017 > 773 > C > 354-374

The production of opposite-charge W-boson pairs in proton–proton collisions at s=13 TeV is measured using data corresponding to 3.16 fb⁻¹ of integrated luminosity collected by the ATLAS detector at the CERN Large Hadron Collider in 2015. Candidate W-boson pairs are selected by identifying their leptonic decays into an electron, a muon and neutrinos. Events with reconstructed jets are not included...

article

Top-quark mass measurement in the all-hadronic t t ¯ $$ t\overline{t} $$ decay channel at s = 8 $$ \sqrt{s}=8 $$ TeV with the ATLAS detector

The ATLAS collaboration, M. Aaboud, G. Aad, B. Abbott, more

Journal of High Energy Physics > 2017 > 2017 > 9 > 1-41

Abstract The top-quark mass is measured in the all-hadronic top-antitop quark decay channel using proton-proton collisions at a centre-of-mass energy of s = 8 $$ \sqrt{s}=8 $$ TeV with the ATLAS detector at the CERN Large Hadron Collider. The data set used in the analysis corresponds to an integrated luminosity of 20.2 fb⁻¹. The large multi-jet background is modelled using a data-driven...

article

Measurement of the inclusive jet cross-sections in proton-proton collisions at s = 8 $$ \sqrt{s}=8 $$ TeV with the ATLAS detector

The ATLAS collaboration, M. Aaboud, G. Aad, B. Abbott, more

Journal of High Energy Physics > 2017 > 2017 > 9 > 1-54

Abstract Inclusive jet production cross-sections are measured in proton-proton collisions at a centre-of-mass energy of s = 8 $$ \sqrt{s}=8 $$ TeV recorded by the ATLAS experiment at the Large Hadron Collider at CERN. The total integrated luminosity of the analysed data set amounts to 20.2 fb⁻¹. Double-differential cross-sections are measured for jets defined by the anti-k_t jet clustering...

article

Identification and rejection of pile-up jets at high pseudorapidity with the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, more

The European Physical Journal C > 2017 > 77 > 9 > 1-32

The rejection of forward jets originating from additional proton–proton interactions (pile-up) is crucial for a variety of physics analyses at the LHC, including Standard Model measurements and searches for physics beyond the Standard Model. The identification of such jets is challenging due to the lack of track and vertex information in the pseudorapidity range $$|\eta |>2.5$$ | η | >...

article

Erratum to: Measurement of the charge asymmetry in top-quark pair production in the lepton-plus-jets final state in pp collision data at $$\sqrt{s}=8$$ s = 8 TeV with the ATLAS detector

Atlas Collaboration, G. Aad, B. Abbott, J. Abdallah, more

The European Physical Journal C > 2017 > 77 > 8 > 1-15

The online version of the original article can be found under doi: 10.1140/epjc/s10052-016-3910-6 .

article

Fiducial, total and differential cross-section measurements of t-channel single top-quark production in pp collisions at 8 TeV using data collected by the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, more

The European Physical Journal C > 2017 > 77 > 8 > 1-46

Detailed measurements of t-channel single top-quark production are presented. They use 20.2 fb $$^{-1}$$ - 1 of data collected by the ATLAS experiment in proton–proton collisions at a centre-of-mass energy of 8 TeV at the LHC. Total, fiducial and differential cross-sections are measured for both top-quark and top-antiquark production. The fiducial cross-section is measured with a precision...

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Search results for: G. Ernis

Erratum to: Measurement of the W boson polarisation in $$t\bar{t}$$ tt¯ events from pp collisions at $$\sqrt{s} = 8~\hbox {TeV}$$ s=8TeV in the lepton + jets channel with ATLAS

Erratum to: Measurement of the W-boson mass in pp collisions at $$\sqrt{s}=7\,\hbox {TeV}$$ s=7TeV with the ATLAS detector

Measurement of quarkonium production in proton–lead and proton–proton collisions at $$5.02~\mathrm {TeV}$$ 5.02TeV with the ATLAS detector

Measurement of the W-boson mass in pp collisions at $$\sqrt{s}=7\, \hbox {TeV}$$ s=7TeV with the ATLAS detector

Measurement of the cross-section for producing a W boson in association with a single top quark in pp collisions at s=13 $$ \sqrt{s}=13 $$ TeV with ATLAS

Determination of the strong coupling constant $$\alpha _\mathrm {s}$$ α s from transverse energy–energy correlations in multijet events at $$\sqrt{s} = 8~\hbox {TeV}$$ s = 8 TeV using the ATLAS detector

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 $$ \sqrt{s}=8 $$ TeV with the ATLAS detector

Measurements of top-quark pair differential cross-sections in the lepton+jets channel in pp collisions at s=13 $$ \sqrt{s}=13 $$ TeV using the ATLAS detector

Measurement of detector-corrected observables sensitive to the anomalous production of events with jets and large missing transverse momentum in $$\varvec{pp}$$ p p collisions at $$\mathbf {\sqrt{s}=13}$$ s = 13 TeV using the ATLAS detector

Measurement of jet pT correlations in Pb+Pb and pp collisions at sNN=2.76 TeV with the ATLAS detector

Measurement of b-hadron pair production with the ATLAS detector in proton-proton collisions at s=8 $$ \sqrt{s}=8 $$ TeV

ATLAS Collaboration

Correction to: Identification and rejection of pile-up jets at high pseudorapidity with the ATLAS detector

Performance of the ATLAS track reconstruction algorithms in dense environments in LHC Run 2

Measurement of the W+W− production cross section in pp collisions at a centre-of-mass energy of s=13 TeV with the ATLAS experiment

Top-quark mass measurement in the all-hadronic t t ¯ $$ t\overline{t} $$ decay channel at s = 8 $$ \sqrt{s}=8 $$ TeV with the ATLAS detector

Measurement of the inclusive jet cross-sections in proton-proton collisions at s = 8 $$ \sqrt{s}=8 $$ TeV with the ATLAS detector

Identification and rejection of pile-up jets at high pseudorapidity with the ATLAS detector

Erratum to: Measurement of the charge asymmetry in top-quark pair production in the lepton-plus-jets final state in pp collision data at $$\sqrt{s}=8$$ s = 8 TeV with the ATLAS detector

Fiducial, total and differential cross-section measurements of t-channel single top-quark production in pp collisions at 8 TeV using data collected by the ATLAS detector

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