Mitchell Bradley Norfolk

Mitigating Sensor Cracking using the Interposer Strategy in the ATLAS ITk Strip Detector

Syed Haider Abidi, Kirsten Marty Affolder, Anthony Allen Affolder, Soren Ahrens et autres

International audience

Search for quantum black holes in lepton+jet final states using proton–proton collisions at s=13.6TeV with the ATLAS detector

G. Aad, Erlend Aakvaag, B. Abbott, S. Abdelhameed et autres

A search for quantum black holes in electron+jet or muon+jet final states with high invariant mass is performed. The analysis uses data from s = 13.6 TeV pp collisions recorded by the ATLAS detector between 2022 and 2024 during Run 3 of …

Measurement of Charged-Particle Production in s NN = 9.62 TeV Proton-Oxygen Collisions as a Probe of Cosmic-Ray Air Showers with the ATLAS Detector

G. Aad, Erlend Aakvaag, B. Abbott, S. Abdelhameed et autres

This Letter presents a measurement of prompt charged-particle production in proton-oxygen interactions at s NN = 9.62 TeV center-of-mass energy with the ATLAS detector, corresponding to 634 μ b − 1 of integrated luminosity. A total of 246 × 10 6 selected …

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Calibration of the jet energy scale and resolution of small-radius jets using semileptonic $$t\bar{t}$$ events with the ATLAS detector

G. Aad, Erlend Aakvaag, B. Abbott, S. Abdelhameed et autres

Abstract A measurement of correction factors for the hadronic jet energy scale and resolution in the ATLAS detector is presented. These correction factors account for differences between simulated and observed data. They are obtained by analysing a selection of top quark events …

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Measurements of the Higgs boson production, fiducial and differential cross-sections in the four lepton decay channel using 164 fb−1 of data collected at $$ \sqrt{s}=13.6 $$ TeV with the ATLAS detector

Georges Aad, Erlend Aakvaag, B. Abbott, S. Abdelhameed et autres

A bstract Inclusive, differential and production-mode cross-section measurements of the Higgs boson are performed in the H → ZZ * → 4 ℓ decay channel. The analysis uses proton–proton collision data produced at the Large Hadron Collider at a centre-of-mass energy of …

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Search for Higgs boson pair production in association with top-quark pairs using 196 fb−1 of proton–proton collision data at $$ \sqrt{s}=13 $$ and 13.6 TeV with the ATLAS detector

Georges Aad, Erlend Aakvaag, B. Abbott, S. Abdelhameed et autres

A bstract This paper presents the first search for non-resonant Higgs boson pair production in association with a top-quark pair ( $$ t\overline{t} HH $$ t t ¯ HH ) using proton–proton collision data collected with the ATLAS detector at the Large …

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Search for displaced decays of long-lived particles in events with missing transverse momentum in $$ \sqrt{s}=13 $$ TeV pp collisions with the ATLAS detector

G. Aad, Erlend Aakvaag, B. Abbott, S. Abdelhameed et autres

A bstract A search for long-lived particles in events with significant missing transverse momentum and at least one displaced vertex is presented. This analysis is performed using 137 fb −1 of pp collision data collected between 2016–2018 during Run 2 of the …

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Breaking barriers: the impact of ATLAS Virtual Visits in science communication

G. Aad, Erlend Aakvaag, B. Abbott, S. Abdelhameed et autres

Abstract The ATLAS Collaboration at CERN’s Large Hadron Collider is at the forefront of particle physics research and is equally committed to bridging the gap between cutting-edge science and the wider public. Since 2010, the ATLAS Virtual Visits programme has provided live, …

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Missing-mass search in forward-proton-tagged dilepton events with the ATLAS detector

G. Aad, Erlend Aakvaag, B. Abbott, S. Abdelhameed et autres

A bstract A search is conducted in proton–proton collisions at the Large Hadron Collider for photon-induced production pp → pp + γγ, ( γγ → VX ) of a visible particle V decaying into a pair of same-flavour charged leptons ( e …

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Effective field theory interpretation of ATLAS measurements involving the Higgs boson, electroweak bosons and the top quark

G. Aad, Erlend Aakvaag, B. Abbott, S. Abdelhameed et autres

A bstract Wilson coefficients in dimension-six effective field theory are constrained in a combined fit to several ATLAS measurements. These inputs probe Higgs-boson processes across multiple production and decay modes, di-Higgs signatures in the $$ b\overline{b}\gamma \gamma $$ b b ¯ γγ …

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A search for lepton-flavour violating τ → 3μ decays with the ATLAS detector

G. Aad, Erlend Aakvaag, B. Abbott, Sara Abdelhameed et autres

A search for charged lepton flavour violation in τ → 3 μ decays is performed in pp collisions at a centre-of-mass energy of 13 TeV using ATLAS data collected between 2016 and 2018, corresponding to an integrated luminosity of 137 fb − …

Measurements of Z -Boson Pair Entanglement in Decays of Higgs Bosons at the ATLAS Experiment

G. Aad, Erlend Aakvaag, B. Abbott, S. Abdelhameed et autres

Entanglement is a key property of quantum systems. In this Letter the first measurements of quantum entanglement between spins in pairs of Z bosons are reported, using proton-proton collision data from the Large Hadron Collider (LHC) at center-of-mass energies of 13 and …

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