G. Poulard

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

Angular analysis of B_d⁰ → K^∗μ⁺μ⁻ decays in pp 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 > 2018 > 2018 > 10 > 1-47

Abstract An angular analysis of the decay B_d⁰ → K^∗μ⁺μ⁻ is presented, based on proton-proton collision data recorded by the ATLAS experiment at the LHC. The study is using 20.3 fb⁻¹ of integrated luminosity collected during 2012 at centre-of-mass energy of s = 8 $$ \sqrt{s}=8 $$ TeV. Measurements of the K^* longitudinal polarisation fraction and a set of angular parameters obtained for this...

article

Search for supersymmetry in final states with missing transverse momentum and multiple b-jets in proton-proton collisions at s=13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector

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

Journal of High Energy Physics > 2018 > 2018 > 6 > 1-58

Abstract A search for supersymmetry involving the pair production of gluinos decaying via third-generation squarks into the lightest neutralino χ˜10 $$ \left({\tilde{\chi}}_1^0\right) $$ is reported. It uses LHC proton-proton collision data at a centre-of-mass energy s=13 $$ \sqrt{s}=13 $$ TeV with an integrated luminosity of 36.1 fb⁻¹ collected with the ATLAS detector in 2015 and 2016. The search...

article

Search for long-lived charginos based on a disappearing-track signature in pp collisions at s=13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector

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

Journal of High Energy Physics > 2018 > 2018 > 6 > 1-48

Abstract This paper presents a search for direct electroweak gaugino or gluino pair production with a chargino nearly mass-degenerate with a stable neutralino. It is based on an integrated luminosity of 36.1 fb⁻¹ of pp collisions at s=13 $$ \sqrt{s}=13 $$ TeV collected by the ATLAS experiment at the LHC. The final state of interest is a disappearing track accompanied by at least one jet with high...

article

Search for a new heavy gauge-boson resonance decaying into a lepton and missing transverse momentum in 36 fb$$^{-1}$$ -1 of pp collisions at $$\sqrt{s} = 13$$ s=13 TeV with the ATLAS experiment

M. Aaboud, G. Aad, B. Abbott, O. Abdinov, more

The European Physical Journal C > 2018 > 78 > 5 > 1-23

The results of a search for new heavy $$W^\prime $$ W′ bosons decaying to an electron or muon and a neutrino using proton–proton collision data at a centre-of-mass energy of $$\sqrt{s}~=~13$$ s=13 TeV are presented. The dataset was collected in 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider and corresponds to an integrated luminosity of 36.1 $$\text{ fb }^{-1}$$ fb-1 . As no...

article

A search for pair-produced resonances in four-jet final states at $$\sqrt{s}=13$$ s=13 $$\text {TeV}$$ TeV with the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, O. Abdinov, more

The European Physical Journal C > 2018 > 78 > 3 > 1-28

A search for massive coloured resonances which are pair-produced and decay into two jets is presented. The analysis uses 36.7 fb$$^{-1}$$ -1 of $$\sqrt{s}$$ s = 13 TeV pp collision data recorded by the ATLAS experiment at the LHC in 2015 and 2016. No significant deviation from the background prediction is observed. Results are interpreted in a SUSY simplified model where the lightest supersymmetric...

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

Search for a scalar partner of the top quark in the jets plus missing transverse momentum final state at s=13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector

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

Journal of High Energy Physics > 2017 > 2017 > 12 > 1-56

Abstract A search for pair production of a scalar partner of the top quark in events with four or more jets plus missing transverse momentum is presented. An analysis of 36.1 fb⁻¹ of s=13 $$ \sqrt{s}=13 $$ TeV proton-proton collisions collected using the ATLAS detector at the LHC yields no significant excess over the expected Standard Model background. To interpret the results a simplified supersymmetric...

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 the tt¯γ $$ t\overline{t}\gamma $$ production cross section 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 > 11 > 1-43

Abstract The cross section of a top-quark pair produced in association with a photon is measured in proton-proton collisions at a centre-of-mass energy of s=8 $$ \sqrt{s}=8 $$ TeV with 20.2 fb⁻¹ of data collected by the ATLAS detector at the Large Hadron Collider in 2012. The measurement is performed by selecting events that contain a photon with transverse momentum p_T > 15 GeV, an isolated lepton...

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

Search for heavy resonances decaying to a W or Z boson and a Higgs boson in the qq¯(′)bb¯ final state in pp collisions at s=13 TeV with the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, O. Abdinov, more

Physics Letters B > 2017 > 774 > C > 494-515

A search for heavy resonances decaying to a W or Z boson and a Higgs boson in the qq¯(′)bb¯ final state is described. The search uses 36.1 fb−1 of proton–proton collision data at s=13 TeV collected by the ATLAS detector at the CERN Large Hadron Collider in 2015 and 2016. The data are in agreement with the Standard Model expectations, with the largest excess found at a resonance mass of 3.0 TeV with...

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

INFONA - science communication portal

Search results for: G. Poulard

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

Angular analysis of B_d⁰ → K^∗μ⁺μ⁻ decays in pp collisions at s = 8 $$ \sqrt{s}=8 $$ TeV with the ATLAS detector

Search for supersymmetry in final states with missing transverse momentum and multiple b-jets in proton-proton collisions at s=13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector

Search for long-lived charginos based on a disappearing-track signature in pp collisions at s=13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector

Search for a new heavy gauge-boson resonance decaying into a lepton and missing transverse momentum in 36 fb$$^{-1}$$ -1 of pp collisions at $$\sqrt{s} = 13$$ s=13 TeV with the ATLAS experiment

A search for pair-produced resonances in four-jet final states at $$\sqrt{s}=13$$ s=13 $$\text {TeV}$$ TeV 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

Search for a scalar partner of the top quark in the jets plus missing transverse momentum final state at s=13 $$ \sqrt{s}=13 $$ TeV with 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 the tt¯γ $$ t\overline{t}\gamma $$ production cross section in proton-proton collisions at s=8 $$ \sqrt{s}=8 $$ TeV with the ATLAS detector

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

Search for heavy resonances decaying to a W or Z boson and a Higgs boson in the qq¯(′)bb¯ final state in pp collisions at s=13 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

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