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Search for flavour-changing neutral-current couplings between the top quark and the Higgs boson in multi-lepton final states in 13 TeV pp collisions with the ATLAS detector

Aad, G. Aakvaag, E. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboelela, M. Aboulhorma, A. Abramowicz, H.; (2024-07-29)

Abstract A search is presented for flavour-changing neutral-current interactions involving the top quark, the Higgs boson and an up-type quark ( ...

Search for short- and long-lived axion-like particles in $$H\rightarrow a a \rightarrow 4\gamma $$ H → a a → 4 γ decays with the ATLAS experiment at the LHC

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

Abstract Presented is the search for anomalous Higgs boson decays into two axion-like particles (ALPs) using the full Run 2 data set of ...

Search for light long-lived neutral particles from Higgs boson decays via vector-boson-fusion production from pp collisions at $$\sqrt{s}=13$$ s = 13 TeV with the ATLAS detector

Unknown author (2024-07-22)

Abstract A search is reported for long-lived dark photons with masses between 0.1 GeV and 15 GeV, from exotic decays of Higgs bosons produced via vector-boson-fusion. Events that contain displaced collimated ...

Public healthcare disparities in Africa: the food production systems and its dichotomy in a South African context

Manamela, M. G. Choung, M. E. (2024-06-01)

Abstract One of the major concerns of development in Africa is the issue of public health. In Africa, public healthcare has been and still is a problem most African countries are faced with. The problem of ...

Nutraceuticals as components of sustainable poultry production systems for food and nutrition security in Africa: a review

Mnisi, Caven M. Mlambo, Victor Montso, Peter K. Manyeula, Freddy Kumanda, Cebisa Moreki, John C. (2024-06-11)

Abstract Poultry production plays a key role in reducing food and nutrition insecurity in developing countries. However, as the poultry industry continues to grow, its future is in doubt due to economic, ...

Self-inflicted ingestion of harmful chemicals in adolescents and adults: risk factors and characteristics

Govender, Rajen van Niekerk, Ashley Hector, Tiffany J. van Tonder, Wayne (2024-06-20)

Abstract Background Injury due to ingestion of harmful chemicals has become an area of concern globally. In South Africa, paraffin has been widely implicated in multiple health ...

Measurement of t-channel production of single top quarks and antiquarks in pp collisions at 13 TeV using the full ATLAS Run 2 data sample

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2024-05-28)

Abstract The production of single top quarks and top antiquarks via the t-channel exchange of a virtual W boson is measured in proton-proton collisions at a centre-of-mass energy of 13 ...

Being in-between “to return or to stay”: exploring the experiences of urban displaced people in Mozambique’s Pemba

Tivane, Nelson (2024-05-15)

Abstract The province of Cabo Delgado, located in the north of Mozambique, has been inflicted by the conflict and terrorist actions since 2017. The threats they pose, and the unfolding fragility of the security ...

New advances in artificial intelligence applications in higher education?

Zawacki-Richter, Olaf Bai, John Y. H. Lee, Kyungmee Slagter van Tryon, Patricia J. Prinsloo, Paul (2024-05-02)

Search for new particles in final states with a boosted top quark and missing transverse momentum in proton-proton 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.; (2024-05-23)

Abstract A search for events with one top quark and missing transverse momentum in the final state is presented. The fully hadronic decay of the top quark is explored by selecting events ...

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 ...

Search for electroweak production of supersymmetric particles in final states with two τ-leptons in s $$ \sqrt{s} $$ = 13 TeV pp collisions with the ATLAS detector

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2024-05-13)

Abstract Three searches for the direct production of τ-sleptons or charginos and neutralinos in final states with at least two hadronically decaying τ-leptons are presented. For chargino ...

Measurement of the total and differential cross-sections of t t ¯ W $$ t\overline{t}W $$ production 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.; (2024-05-10)

Abstract Measurements of inclusive and differential production cross-sections of a top-quark-top-antiquark pair in association with a W boson ( ...

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 ...

Test of CP-invariance of the Higgs boson in vector-boson fusion production and in its decay into four leptons

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 search for CP violation in the decay kinematics and vector-boson fusion production of the Higgs boson is performed in the H → ZZ* → 4ℓ (ℓ = e, μ) decay channel. The results ...

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 ...

Improving topological cluster reconstruction using calorimeter cell timing in ATLAS

Unknown author (2024-05-03)

Abstract Clusters of topologically connected calorimeter cells around cells with large absolute signal-to-noise ratio (topo-clusters) are the basis for calorimeter signal reconstruction in the ATLAS experiment. ...

De-migranticizing as methodology: rethinking migration studies through immobility and liminality

Raghuram, Parvati Breines, Markus R. Gunter, Ashley (2024-04-22)

Abstract De-migranticization is becoming a core strategy for overcoming the fetishization of migrants in migration studies. However, this shift in perspectives raises questions about what categories to use ...

Towards a national policy on nursing education and training: an imperative framework for integrating nursing education within South Africa’s post-school education system

Matahela, Vhothusa E. Makhanya, Nonhlanhla J. (2024-04-28)

Abstract The aim of this study article is to present an analysis of the first national policy framework, which provides a coherent approach to integrating nursing education into a newly defined band for higher ...

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. ...

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