173 Result(s)

Article

Erratum to: Search for exclusive Higgs and Z boson decays to ϕγ and ργ with the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, O. Abdinov, B. Abeloos… in Journal of High Energy Physics (2023)

Article

Measurement of the top-quark mass using a leptonic invariant mass in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

A measurement of the top-quark mass (m_t) in the t t ¯ ...

G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud, K. Abeling… in Journal of High Energy Physics (2023)

Article

Two-particle Bose–Einstein correlations in \({ pp }\) collisions at \(\mathbf {\sqrt{s} = 13}\)  TeV measured with the ATLAS detector at the LHC

This paper presents studies of Bose–Einstein correlations (BEC) in proton–proton collisions at a centre-of-mass energy of 13 TeV, using data from the ATLAS detector at the CERN Large Hadron Collider. Data were...

G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud… in The European Physical Journal C (2022)

Article

Measurement of single top-quark production in association with a W boson in the single-lepton channel at \(\sqrt{s} = 8\,\text {TeV}\) with the ATLAS detector

The production cross-section of a top quark in association with a W boson is measured using proton–proton collisions at $$\sqrt{s} = 8\,\text ...

G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud… in The European Physical Journal C (2021)

Article

Erratum to: Search for the HH → \( b\overline{b}b\overline{b} \) process via vector-boson fusion production using proton-proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

One correction is noted for the paper.

G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud, K. Abeling… in Journal of High Energy Physics (2021)

Article

Measurement of the CP-violating phase \(\phi _s\) in \( B_{s}^{0} \rightarrow J/\psi \phi \) decays in ATLAS at 13 TeV

A measurement of the \( B_{s}^{0} \rightarrow J/\psi \phi \) B ...

G. Aad, B. Abbott, D. C. Abbott, O. Abdinov… in The European Physical Journal C (2021)

Article

Search for new phenomena with top quark pairs in final states with one lepton, jets, and missing transverse momentum in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

A search for new phenomena with top quark pairs in final states with one isolated electron or muon, multiple jets, and large missing transverse momentum is performed. Signal regions are designed to search for ...

G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud, K. Abeling… in Journal of High Energy Physics (2021)

Article

Erratum to: Search for the HH → \( b\overline{b}b\overline{b} \) process via vector-boson fusion production using proton-proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

One correction is noted for the paper. A wrong cross-section was used for the theory prediction in figure 6 due to not taking into account the VHH contamination properly in the rescaling formula for the signal...

G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud, K. Abeling… in Journal of High Energy Physics (2021)

Article

Measurements of top-quark pair single- and double-differential cross-sections in the all-hadronic channel in pp collisions at \( \sqrt{\mathrm{s}} \) = 13 TeV using the ATLAS detector

Differential cross-sections are measured for top-quark pair production in the all-hadronic decay mode, using proton-proton collision events collected by the ATLAS experiment in which all six decay jets are sep...

G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud, K. Abeling… in Journal of High Energy Physics (2021)

Article

Determination of jet calibration and energy resolution in proton–proton collisions at \(\sqrt{s} = 8~\hbox {TeV}\) using the ATLAS detector

The jet energy scale, jet energy resolution, and their systematic uncertainties are measured for jets reconstructed with the ATLAS detector in 2012 using proton–proton data produced at a centre-of-mass energy ...

M. Aaboud, G. Aad, B. Abbott, O. Abdinov, B. Abeloos… in The European Physical Journal C (2020)

Article

Erratum to: Measurements of top-quark pair differential and double-differential cross-sections in the \(\ell \) +jets channel with pp collisions at \(\sqrt{s}=13\) TeV using the ATLAS detector [Eur. Phys. J. C 79 (2019) 1028]

Corrections for five figures and six tables are noted for the paper, which do not affect the conclusions reported.

G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud… in The European Physical Journal C (2020)

Article

Erratum to: Measurement of differential cross sections for single diffractive dissociation in \( \sqrt{s} \) = 8 TeV pp collisions using the ATLAS ALFA spectrometer

Figure 5b of the paper [1] contained a misinterpretation in the comparison between the reported new ATLAS measurement of the process pp → Xp and previously published CMS data [2]. The ATLAS measurement correspond...

G. Aad, B. Abbott, D. C. Abbott, O. Abdinov, A. Abed Abud… in Journal of High Energy Physics (2020)

Article

Search for new phenomena in final states with large jet multiplicities and missing transverse momentum using \( \sqrt{s} \) = 13 TeV proton-proton collisions recorded by ATLAS in Run 2 of the LHC

Results of a search for new particles decaying into eight or more jets and moderate missing transverse momentum are presented. The analysis uses 139 fb⁻¹ of proton-proton collision data at

G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud, K. Abeling… in Journal of High Energy Physics (2020)

Article

Erratum to: Measurement of differential cross sections and W⁺/W⁻ cross-section ratios for W boson production in association with jets at \( \sqrt{s} \) = 8 TeV with the ATLAS detector

Two additions impacting tables 3 and 4 in ref. [1] are presented in the following. No significant impact is found for other results or figures in ref. [1].

M. Aaboud, G. Aad, B. Abbott, O. Abdinov, B. Abeloos… in Journal of High Energy Physics (2020)

Article

Search for direct production of electroweakinos in final states with missing transverse momentum and a Higgs boson decaying into photons in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

A search for a chargino-neutralino pair decaying via the 125 GeV Higgs boson into photons is presented. The study is based on the data collected between 2015 and 2018 with the ATLAS detector at the LHC, corres...

G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud, K. Abeling… in Journal of High Energy Physics (2020)

Article

Performance of the missing transverse momentum triggers for the ATLAS detector during Run-2 data taking

The factor of four increase in the LHC luminosity, from 0.5 × 10³⁴ cm⁻²s⁻¹ to 2.0 × 10³⁴cm⁻²s⁻¹, and the corresponding increase in pile-up collisions during the 2015–2018 data-taking period, presented a challenge...

G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud, K. Abeling… in Journal of High Energy Physics (2020)

Article

Measurements of top-quark pair spin correlations in the \(e\mu \) channel at \(\sqrt{s} = 13\) TeV using pp collisions in the ATLAS detector

A measurement of observables sensitive to spin correlations in \(t\bar{t}\)tt¯ production is presented, using 36.1 \(\hbox {fb}^{-1}\)fb-1 of pp collision data at \(\sqrt{s} = 13\)s=13 TeV recorded with the ATLAS...

M. Aaboud, G. Aad, B. Abbott, D. C. Abbott, O. Abdinov… in The European Physical Journal C (2020)

Article

Search for a scalar partner of the top quark in the all-hadronic \(t{\bar{t}}\) plus missing transverse momentum final state at \(\sqrt{s}=13\) TeV with the ATLAS detector

A search for direct pair production of scalar partners of the top quark (top squarks or scalar third-generation up-type leptoquarks) in the all-hadronic \(t{\bar{t}}\)tt¯ plus missing transverse momentum final st...

G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud… in The European Physical Journal C (2020)

Article

Combination of the W boson polarization measurements in top quark decays using ATLAS and CMS data at \( \sqrt{s} \) = 8 TeV

The combination of measurements of the W boson polarization in top quark decays performed by the ATLAS and CMS collaborations is presented. The measurements are based on proton-proton collision data produced a...

G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud, K. Abeling… in Journal of High Energy Physics (2020)

Article

Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in \(pp\) collisions at \(\sqrt{s}=13\) TeV with the ATLAS detector

The results of a search for electroweakino pair production \(pp \rightarrow \tilde{\chi }^\pm _1 \tilde{\chi }^0_2\)pp→χ~1±χ~20 in which the chargino (\(\tilde{\chi }^\pm _1\)χ~1±) decays into a W boson and the l...

G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud… in The European Physical Journal C (2020)