L. Hauswald

article

Measurement of fiducial and differential $$W^+W^-$$ W+W- production cross-sections at $$\sqrt{s}=13$$ s=13 TeV with the ATLAS detector

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

The European Physical Journal C > 2019 > 79 > 10 > 1-34

A measurement of fiducial and differential cross-sections for $$W^+W^-$$ W+W- production in proton–proton collisions at $$\sqrt{s}=13$$ s=13 TeV with the ATLAS experiment at the Large Hadron Collider using data corresponding to an integrated luminosity of 36.1 $$\hbox {fb}^{-1}$$ fb-1 is presented. Events with one electron and one muon are selected, corresponding to the decay of the diboson system...

article

Measurement of ZZ production in the ℓℓνν final state with the ATLAS detector in pp collisions at s $$ \sqrt{s} $$ = 13 TeV

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

Journal of High Energy Physics > 2019 > 2019 > 10 > 1-48

Abstract This paper presents a measurement of ZZ production with the ATLAS detector at the Large Hadron Collider. The measurement is carried out in the final state with two charged leptons and two neutrinos, using data collected during 2015 and 2016 in pp collisions at s $$ \sqrt{s} $$ = 13 TeV, corresponding to an integrated luminosity of 36.1 fb⁻¹. The integrated cross-sections in the total...

article

Search for excited electrons singly produced in proton–proton collisions at $$\sqrt{s} ~=~13~\text {Te}\text {V}$$ s=13Te with the ATLAS experiment at the LHC

M. Aaboud, G. Aad, B. Abbott, D. C. Abbott, more

The European Physical Journal C > 2019 > 79 > 9 > 1-30

A search for excited electrons produced in pp collisions at $$\sqrt{s}$$ s = 13 $$\text {Te}\text {V}$$ Te via a contact interaction $$q{\bar{q}}\rightarrow ee^*$$ qq¯→ee∗ is presented. The search uses 36.1 fb$$^{-1}$$ -1 of data collected in 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider. Decays of the excited electron into an electron and a pair of quarks ($$eq{\bar{q}}$$...

article

Searches for scalar leptoquarks and differential cross-section measurements in dilepton–dijet events in proton–proton collisions at a centre-of-mass energy of $$\varvec{\sqrt{s}}$$ s = 13 TeV with the ATLAS experiment

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

The European Physical Journal C > 2019 > 79 > 9 > 1-45

Searches for scalar leptoquarks pair-produced in proton–proton collisions at $$\sqrt{s}=13$$ s=13 TeV at the Large Hadron Collider are performed by the ATLAS experiment. A data set corresponding to an integrated luminosity of 36.1 fb$$^{-1}$$ -1 is used. Final states containing two electrons or two muons and two or more jets are studied, as are states with one electron or muon, missing transverse...

article

Erratum to: Search for supersymmetry in final states with two same-sign or three leptons and jets using 36 fb⁻¹ of s $$ \sqrt{s} $$ = 13 TeV pp collision data with the ATLAS detector

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

Journal of High Energy Physics > 2019 > 2019 > 8 > 1-19

One correction is made to the figure 4e of the paper.

article

Measurement of jet-substructure observables in top quark, W boson and light jet production in proton-proton collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

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

Journal of High Energy Physics > 2019 > 2019 > 8 > 1-47

Abstract A measurement of jet substructure observables is presented using data collected in 2016 by the ATLAS experiment at the LHC with proton-proton collisions at s $$ \sqrt{s} $$ = 13 TeV. Large-radius jets groomed with the trimming and soft-drop algorithms are studied. Dedicated event selections are used to study jets produced by light quarks or gluons, and hadronically decaying top quarks...

article

Electron reconstruction and identification in the ATLAS experiment using the 2015 and 2016 LHC proton–proton collision data at $$\sqrt{s} = 13$$ s=13 $$\text {TeV}$$ TeV

M. Aaboud, G. Aad, B. Abbott, D. C. Abbott, more

The European Physical Journal C > 2019 > 79 > 8 > 1-40

Algorithms used for the reconstruction and identification of electrons in the central region of the ATLAS detector at the Large Hadron Collider (LHC) are presented in this paper; these algorithms are used in ATLAS physics analyses that involve electrons in the final state and which are based on the 2015 and 2016 proton–proton collision data produced by the LHC at $$\sqrt{s}$$ s = 13 $$\text {TeV}$$...

article

Search for scalar resonances decaying into μ⁺μ⁻ in events with and without b-tagged jets produced 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 > 2019 > 2019 > 7 > 1-41

Abstract A search for a narrow scalar resonance decaying into an opposite-sign muon pair produced in events with and without b-tagged jets is presented in this paper. The search uses 36.1 fb⁻¹ of s = 13 $$ \sqrt{s}=13 $$ TeV proton-proton collision data recorded by the ATLAS experiment at the LHC. No significant excess of events above the expected Standard Model background is observed in...

article

Searches for third-generation scalar leptoquarks in s $$ \sqrt{s} $$ = 13 TeV pp collisions with the ATLAS detector

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

Journal of High Energy Physics > 2019 > 2019 > 6 > 1-48

Abstract Limits are set on the pair production of scalar leptoquarks, where all possible decays of the leptoquark into a quark (t, b) and a lepton (τ, ν) of the third generation are considered. The limits are presented as a function of the leptoquark mass and the branching ratio into charged leptons for up-type (LQ ₃^u → tν/bτ) and down-type (LQ ₃^d → bν/tτ) leptoquarks. Many results are reinterpretations...

article

Measurement of $$W^{\pm }Z$$ W±Z production cross sections and gauge boson polarisation in pp collisions at $$\sqrt{s} = 13~\text {TeV}$$ s=13TeV with the ATLAS detector

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

The European Physical Journal C > 2019 > 79 > 6 > 1-34

This paper presents measurements of $$W^{\pm }Z$$ W±Z production cross sections in pp collisions at a centre-of-mass energy of 13 $$\text {TeV}$$ TeV . The data were collected in 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider, and correspond to an integrated luminosity of $$36.1~\hbox {fb}^{-1}$$ 36.1fb-1 . The $$W^{\pm }Z$$ W±Z candidate events are reconstructed using leptonic...

article

Search for long-lived neutral particles in pp collisions at $${\sqrt{s}} = 13~{\text { TeV}}$$ s=13TeV that decay into displaced hadronic jets in the ATLAS calorimeter

M. Aaboud, G. Aad, B. Abbott, D. C. Abbott, more

The European Physical Journal C > 2019 > 79 > 6 > 1-31

This paper describes a search for pairs of neutral, long-lived particles decaying in the ATLAS calorimeter. Long-lived particles occur in many extensions to the Standard Model and may elude searches for new promptly decaying particles. The analysis considers neutral, long-lived scalars with masses between 5 and 400 GeV, produced from decays of heavy bosons with masses between $$125$$ 125 and $$1000$$...

article

Search for single production of vector-like quarks decaying into Wb in pp collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

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

Journal of High Energy Physics > 2019 > 2019 > 5 > 1-56

Abstract A search for singly produced vector-like quarks Q, where Q can be either a T quark with charge +2/3 or a Y quark with charge −4/3, is performed in proton–proton collision data at a centre-of-mass energy of 13 TeV corresponding to an integrated luminosity of 36.1 fb⁻¹, recorded with the ATLAS detector at the LHC in 2015 and 2016. The analysis targets Q → Wb decays where the W boson decays...

article

Constraints on mediator-based dark matter and scalar dark energy models using s $$ \sqrt{s} $$ = 13 TeV pp collision data collected by the ATLAS detector

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

Journal of High Energy Physics > 2019 > 2019 > 5 > 1-87

Abstract Constraints on selected mediator-based dark matter models and a scalar dark energy model using up to 37 fb⁻¹ s $$ \sqrt{s} $$ = 13 TeV pp collision data collected by the ATLAS detector at the LHC during 2015-2016 are summarised in this paper. The results of experimental searches in a variety of final states are interpreted in terms of a set of spin-1 and spin-0 single-mediator dark...

article

Measurement of VH, H → b b ¯ $$ \mathrm{H}\to \mathrm{b}\overline{\mathrm{b}} $$ production as a function of the vector-boson transverse momentum in 13 TeV pp collisions with the ATLAS detector

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

Journal of High Energy Physics > 2019 > 2019 > 5 > 1-36

Abstract Cross-sections of associated production of a Higgs boson decaying into bottomquark pairs and an electroweak gauge boson, W or Z, decaying into leptons are measured as a function of the gauge boson transverse momentum. The measurements are performed in kinematic fiducial volumes defined in the ‘simplified template cross-section’ framework. The results are obtained using 79.8 fb⁻¹ of proton-proton...

article

Search for Higgs boson pair production in the WW^()WW^() decay channel using ATLAS data recorded at s $$ \sqrt{\mathrm{s}} $$ = 13 TeV

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

Journal of High Energy Physics > 2019 > 2019 > 5 > 1-38

Abstract A search for a pair of neutral, scalar bosons with each decaying into two W bosons is presented using 36.1 fb⁻¹ of proton-proton collision data at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the Large Hadron Collider. This search uses three production models: non-resonant and resonant Higgs boson pair production and resonant production of a pair of heavy scalar...

article

Search for top-quark decays t → Hq with 36 fb⁻¹ of pp collision data at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

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

Journal of High Energy Physics > 2019 > 2019 > 5 > 1-67

Abstract A search for flavour-changing neutral current decays of a top quark into an up-type quark (q = u, c) and the Standard Model Higgs boson, t → Hq, is presented. The search is based on a dataset of pp collisions at s $$ \sqrt{s} $$ = 13 TeV recorded in 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider and corresponding to an integrated luminosity of 36.1 fb⁻¹....

article

Combinations of single-top-quark production cross-section measurements and |f_LVV_tb| determinations at s $$ \sqrt{s} $$ = 7 and 8 TeV with the ATLAS and CMS experiments

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

Journal of High Energy Physics > 2019 > 2019 > 5 > 1-81

Abstract This paper presents the combinations of single-top-quark production cross-section measurements by the ATLAS and CMS Collaborations, using data from LHC proton-proton collisions at s $$ \sqrt{s} $$ = 7 and 8 TeV corresponding to integrated luminosities of 1.17 to 5.1 fb⁻¹ at s $$ \sqrt{s} $$ = 7 TeV and 12.2 to 20.3 fb⁻¹ at s $$ \sqrt{s} $$ = 8 TeV. These combinations...

article

Search for large missing transverse momentum in association with one top-quark in proton-proton collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

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

Journal of High Energy Physics > 2019 > 2019 > 5 > 1-50

Abstract This paper describes a search for events with one top-quark and large missing transverse momentum in the final state. Data collected during 2015 and 2016 by the ATLAS experiment from 13 TeV proton–proton collisions at the LHC corresponding to an integrated luminosity of 36.1 fb⁻¹ are used. Two channels are considered, depending on the leptonic or the hadronic decays of the W boson from the...

article

Measurements of inclusive and differential fiducial cross-sections of $$t\bar{t}\gamma $$ tt¯γ production in leptonic final states at $$\sqrt{s}=13~\text {TeV}$$ s=13TeV in ATLAS

M. Aaboud, G. Aad, B. Abbott, D. C. Abbott, more

The European Physical Journal C > 2019 > 79 > 5 > 1-41

Inclusive and differential cross-sections for the production of a top-quark pair in association with a photon are measured with proton-proton collision data corresponding to an integrated luminosity of 36.1 $$\text{ fb }^{-1}$$ fb-1 , collected by the ATLAS detector at the LHC in 2015 and 2016 at a centre-of-mass energy of 13 $$\text {TeV}$$ TeV . The measurements are performed in single-lepton and...

article

Performance of top-quark and $$\varvec{W}$$ W -boson tagging with ATLAS in Run 2 of the LHC

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

The European Physical Journal C > 2019 > 79 > 5 > 1-54

The performance of identification algorithms (“taggers”) for hadronically decaying top quarks and W bosons in pp collisions at $$\sqrt{s}$$ s = 13 TeV recorded by the ATLAS experiment at the Large Hadron Collider is presented. A set of techniques based on jet shape observables are studied to determine a set of optimal cut-based taggers for use in physics analyses. The studies are extended to assess...

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Search results for: L. Hauswald

Measurement of fiducial and differential $$W^+W^-$$ W+W- production cross-sections at $$\sqrt{s}=13$$ s=13 TeV with the ATLAS detector

Measurement of ZZ production in the ℓℓνν final state with the ATLAS detector in pp collisions at s $$ \sqrt{s} $$ = 13 TeV

Search for excited electrons singly produced in proton–proton collisions at $$\sqrt{s} ~=~13~\text {Te}\text {V}$$ s=13Te with the ATLAS experiment at the LHC

Searches for scalar leptoquarks and differential cross-section measurements in dilepton–dijet events in proton–proton collisions at a centre-of-mass energy of $$\varvec{\sqrt{s}}$$ s = 13 TeV with the ATLAS experiment

Erratum to: Search for supersymmetry in final states with two same-sign or three leptons and jets using 36 fb⁻¹ of s $$ \sqrt{s} $$ = 13 TeV pp collision data with the ATLAS detector

Measurement of jet-substructure observables in top quark, W boson and light jet production in proton-proton collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

Electron reconstruction and identification in the ATLAS experiment using the 2015 and 2016 LHC proton–proton collision data at $$\sqrt{s} = 13$$ s=13 $$\text {TeV}$$ TeV

Search for scalar resonances decaying into μ⁺μ⁻ in events with and without b-tagged jets produced in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector

Searches for third-generation scalar leptoquarks in s $$ \sqrt{s} $$ = 13 TeV pp collisions with the ATLAS detector

Measurement of $$W^{\pm }Z$$ W±Z production cross sections and gauge boson polarisation in pp collisions at $$\sqrt{s} = 13~\text {TeV}$$ s=13TeV with the ATLAS detector

Search for long-lived neutral particles in pp collisions at $${\sqrt{s}} = 13~{\text { TeV}}$$ s=13TeV that decay into displaced hadronic jets in the ATLAS calorimeter

Search for single production of vector-like quarks decaying into Wb in pp collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

Constraints on mediator-based dark matter and scalar dark energy models using s $$ \sqrt{s} $$ = 13 TeV pp collision data collected by the ATLAS detector

Measurement of VH, H → b b ¯ $$ \mathrm{H}\to \mathrm{b}\overline{\mathrm{b}} $$ production as a function of the vector-boson transverse momentum in 13 TeV pp collisions with the ATLAS detector

Search for Higgs boson pair production in the WW^()WW^() decay channel using ATLAS data recorded at s $$ \sqrt{\mathrm{s}} $$ = 13 TeV

Search for top-quark decays t → Hq with 36 fb⁻¹ of pp collision data at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

Combinations of single-top-quark production cross-section measurements and |f_LVV_tb| determinations at s $$ \sqrt{s} $$ = 7 and 8 TeV with the ATLAS and CMS experiments

Search for large missing transverse momentum in association with one top-quark in proton-proton collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

Measurements of inclusive and differential fiducial cross-sections of $$t\bar{t}\gamma $$ tt¯γ production in leptonic final states at $$\sqrt{s}=13~\text {TeV}$$ s=13TeV in ATLAS

Performance of top-quark and $$\varvec{W}$$ W -boson tagging with ATLAS in Run 2 of the LHC

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