Browsing by Author "Pacey, H. A."

A search for new resonances in multiple final states with a high transverse momentum Z boson in s $$ \sqrt{s} $$ = 13 TeV pp collisions with the ATLAS detector

Aad, G. Abbott, B. Abbott, D. C. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-06-07)

Abstract A generic search for resonances is performed with events containing a Z boson with transverse momentum greater than 100 GeV, decaying into e+e− or μ+μ−. The analysed data collected ...

A search for R-parity-violating supersymmetry in final states containing many jets in pp collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2024-05-02)

Abstract A search for R-parity-violating supersymmetry in final states with high jet multiplicity is presented. The search uses 140 fb−1 of proton-proton collision data at ...

A search for top-squark pair production, in final states containing a top quark, a charm quark and missing transverse momentum, using the 139 fb−1 of pp collision data collected by the ATLAS detector

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2024-07-26)

Abstract This paper presents a search for top-squark pair production in final states with a top quark, a charm quark and missing transverse momentum. The data were collected with the ...

ATLAS flavour-tagging algorithms for the LHC Run 2 pp collision dataset

Aad, G. Abbott, B. Abbott, D. C. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-07-31)

Abstract The flavour-tagging algorithms developed by the ATLAS Collaboration and used to analyse its dataset of $$\sqrt{s} = 13$$ ...

ATLAS Run 2 searches for electroweak production of supersymmetric particles interpreted within the pMSSM

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2024-05-09)

Abstract A summary of the constraints from searches performed by the ATLAS collaboration for the electroweak production of charginos and neutralinos is presented. Results from eight ...

Calibration of the light-flavour jet mistagging efficiency of the b-tagging algorithms with Z+jets events using 139 $$\textrm{fb}^{-1}$$ fb - 1 of ATLAS proton–proton collision data at $$\sqrt{s} = 13$$ s = 13 TeV

Aad, G. Abbott, B. Abbott, D. C. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-08-14)

Abstract The identification of b-jets, referred to as b-tagging, is an important part of many physics analyses in the ATLAS experiment at the Large Hadron Collider and an accurate calibration of its performance ...

Charged-hadron production in pp, p+Pb, Pb+Pb, and Xe+Xe collisions at s NN $$ \sqrt{s_{\textrm{NN}}} $$ = 5 TeV with the ATLAS detector at the LHC

Aad, G. Abbott, B. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y. Abusleme Hoffman, A. C.; (2023-07-10)

Abstract This paper presents measurements of charged-hadron spectra obtained in pp, p+Pb, and Pb+Pb collisions at ...

Combination of inclusive top-quark pair production cross-section measurements using ATLAS and CMS data at s $$ \sqrt{s} $$ = 7 and 8 TeV

Aad, G. Abbott, B. Abbott, D. C. Abed Abud, A. Abeling, K. Abhayasinghe, D. K. Abidi, S. H. Aboulhorma, A. Abramowicz, H.; (2023-07-27)

Abstract A combination of measurements of the inclusive top-quark pair production cross-section performed by ATLAS and CMS in proton–proton collisions at centre-of-mass energies of 7 and ...

Combination of inclusive top-quark pair production cross-section measurements using ATLAS and CMS data at s $$ \sqrt{s} $$ = 7 and 8 TeV

Aad, G. Abbott, B. Abbott, D. C. Abed Abud, A. Abeling, K. Abhayasinghe, D. K. Abidi, S. H. Aboulhorma, A. Abramowicz, H.; (2023-07-27)

Abstract A combination of measurements of the inclusive top-quark pair production cross-section performed by ATLAS and CMS in proton–proton collisions at centre-of-mass energies of 7 and ...

Combination of searches for heavy spin-1 resonances using 139 fb−1 of proton-proton collision data at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

Aad, G. Aakvaag, E. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboelela, M. Aboulhorma, A. Abramowicz, H.; (2024-04-19)

Abstract A combination of searches for new heavy spin-1 resonances decaying into different pairings of W, Z, or Higgs bosons, as well as directly into leptons or quarks, is presented. ...

Combination of searches for Higgs boson decays into a photon and a massless dark photon using pp collisions at s $$ \sqrt{\textrm{s}} $$ = 13 TeV with the ATLAS detector

Aad, G. Aakvaag, E. Abbott, B. Abdelhameed, S. Abeling, K. Abicht, N. J. Abidi, S. H. Aboelela, M. Aboulhorma, A.; (2024-08-20)

Abstract A combination of searches for Higgs boson decays into a visible photon and a massless dark photon (H → γγd) is presented using 139 fb−1 of proton-proton collision data at a ...

Constraints on simplified dark matter models involving an s-channel mediator with the ATLAS detector in pp collisions at s = 13 TeV

Aad, G. Aakvaag, E. Abbott, B. Abdelhameed, S. Abeling, K. Abicht, N. J. Abidi, S. H. Aboelela, M. Aboulhorma, A.; (2024-10-24)

Abstract This paper reports a summary of searches for a fermionic dark matter candidate in the context of theoretical models characterised by a mediator particle exchange in the s-channel. The data sample considered consists ...

Constraints on spin-0 dark matter mediators and invisible Higgs decays using ATLAS 13 TeV pp collision data with two top quarks and missing transverse momentum in the final state

Aad, G. Abbott, B. Abbott, D. C. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-06-13)

Abstract This paper presents a statistical combination of searches targeting final states with two top quarks and invisible particles, characterised by the presence of zero, one or two leptons, at least one ...

Cross-section measurements for the production of a Z boson in association with high-transverse-momentum jets in pp collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

Aad, G. Abbott, B. Abbott, D. C. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-06-14)

Abstract Cross-section measurements for a Z boson produced in association with high-transverse-momentum jets (pT ≥ 100 GeV) and decaying into a charged-lepton pair (e+e−, μ+μ−) are ...

Determination of the strong coupling constant from transverse energy-energy correlations in multijet events at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

Aad, G. Abbott, B. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y. Abusleme Hoffman, A. C.; (2023-07-11)

Abstract Measurements of transverse energy-energy correlations and their associated azimuthal asymmetries in multijet events are presented. The analysis is performed using a data sample ...

Differential cross-section measurements of the production of four charged leptons in association with two jets using the ATLAS detector

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2024-01-02)

Abstract Differential cross-sections are measured for the production of four charged leptons in association with two jets. These measurements are sensitive to final states in which the ...

Differential cross-sections for events with missing transverse momentum and jets measured with the ATLAS detector in 13 TeV proton-proton collisions

Aad, G. Aakvaag, E. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboelela, M. Aboulhorma, A. Abramowicz, H.; (2024-08-28)

Abstract Measurements of inclusive, differential cross-sections for the production of events with missing transverse momentum in association with jets in proton-proton collisions at ...

Electron and photon efficiencies in LHC Run 2 with the ATLAS experiment

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2024-05-14)

Abstract Precision measurements of electron reconstruction, identification, and isolation efficiencies and photon identification efficiencies are presented. They use the full Run 2 data ...

Evidence for the charge asymmetry in pp → t t ¯ $$ t\overline{t} $$ production at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

Aad, G. Abbott, B. Abbott, D. C. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-08-16)

Abstract Inclusive and differential measurements of the top–antitop ( t ...

Evidence of pair production of longitudinally polarised vector bosons and study of CP properties in ZZ → 4ℓ events with the ATLAS detector at s $$ \sqrt{s} $$ = 13 TeV

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-12-15)

Abstract A study of the polarisation and CP properties in ZZ production is presented. The used data set corresponds to an integrated luminosity of 140 fb−1 of proton-proton collisions ...

Browsing by Author "Pacey, H. A."

Browsing by Author "Pacey, H. A."

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