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ATLAS Notes

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2025-03-19
11:43
ATLAS QCD jet measurements / Zaplatilek, Ota (Czech Technical University in Prague (CZ))
This article presents a recent QCD measurement of the jet cross-section ratios from the ATLAS experiment at CERN’s Large Hadron Collider, using proton–proton collisions at a center-of-mass energy of 13 TeV. [...]
ATL-PHYS-PROC-2025-021. - 2025 - 4.
Original Communication (restricted to ATLAS) - Full text

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2025-03-18
12:06
Deriving constraints on long-lived axion-like particles from existing searches for exotic decays of the Higgs boson with the ATLAS detector
Two ATLAS searches for anomalous decays of the Higgs boson into pseudo-scalar particles are used to set exclusion limits for models containing decays to long-lived axion-like particles (ALPs). [...]
ATL-PHYS-PUB-2025-007. - 2025 - 13.
Original Communication (restricted to ATLAS) - Full text

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2025-03-18
09:11
The High-Granularity Timing Detector for ATLAS at HL-LHC / Pinol Bel, Joaquim (The Barcelona Institute of Science and Technology (BIST) (ES))
The increased particle flux expected at the HL-LHC poses a serious challenge for the ATLAS 1 detector performance, especially in the forward region which has reduced detector granularity. [...]
ATL-HGTD-PROC-2025-001. - 2025 - 10.
Original Communication (restricted to ATLAS) - Full text

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2025-03-11
14:19
ATLAS searches for electroweak supersymmetry with compressed spectra / Rasheed, Hammad (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO))
Supersymmetry (SUSY) models with featuring small mass splittings between one or more particles and the lightest neutralino \(\tilde{\chi}^{0}_{1}\) could solve the hierarchy problem as well as offer a suitable dark matter candidate consistent with the observed thermal-relic dark matter density. [...]
ATL-PHYS-PROC-2025-020. - 2025 - 11.
Original Communication (restricted to ATLAS) - Full text

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2025-03-11
13:59
Highlights on top quark physics with the ATLAS experiment at the LHC / Hirschbuehl, Dominic (Bergische Universitaet Wuppertal (DE))
The large top-quark samples collected with the ATLAS experiment at the LHC together with a unprecedented understanding of the measured data have yielded measurements of production cross-sections for top-quark pair-production not only in new kinematic regions but also in association with additional quarks and boson. [...]
ATL-PHYS-PROC-2025-019. - 2025 - 4.
Original Communication (restricted to ATLAS) - Full text

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2025-03-11
00:14
Electroweak measurements of multiboson production with the ATLAS experiment / Gotz, Stefanie Andrea (Ludwig Maximilians Universitat (DE))
Electroweak measurements of multiboson production provide a unique glance at the self-interactions of the electroweak gauge bosons, which are described by the electroweak symmetry breaking mechanism of the Standard Model. [...]
ATL-PHYS-PROC-2025-018. - 2025 - 10.
Original Communication (restricted to ATLAS) - Full text

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2025-03-10
10:11
Investigating initial state of heavy-ion collisions using $[p_\mathrm{T}]$ fluctuations and $v_n - [p_\mathrm{T}]$ correlations in ATLAS / Bold, Tomasz (AGH University of Krakow (PL))
This paper presents recent studies of event-wise mean transverse momentum, $[p_\mathrm{T}]$ that can help differentiate the interplay between the effect of radial collectivity, random thermal motion and deformation in nuclear geometry. [...]
ATL-PHYS-PROC-2025-017. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-03-09
10:02
A New Stress-Relieving Layer in ATLAS ITk Strip Modules / Fortman, Anne Winifred (Lawrence Berkeley National Lab. (US))
The Inner Detector system of the ATLAS experiment is being entirely replaced with a new all-silicon detector known as the Inner Tracker (ITk) to prepare for high particle-rate conditions at the High Luminosity LHC. [...]
ATL-ITK-PROC-2025-009. - 2025 - 4.
Original Communication (restricted to ATLAS) - Full text

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2025-03-06
23:53
Results on photon-induced processes in ultra-peripheral Pb+Pb collisions with ATLAS / Dyndal, Mateusz (AGH University of Krakow (PL))
In ultra-relativistic heavy-ion collisions, copious rates of photon-induced processes are expected through the interaction of the large electromagnetic fields of the nuclei, which enables the production of particles such as inclusive hadrons, lepton pairs, or magnetic monopoles. [...]
ATL-PHYS-PROC-2025-016. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-03-06
18:20
Towards the construction of the ATLAS ITk Pixel innermost layer / Ravera, Simone (INFN e Universita Genova (IT))
A massive upgrade is scheduled for the ATLAS tracking system to face the High-Luminosity program of the Large Hadron Collider. [...]
ATL-ITK-PROC-2025-008. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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特輯:
ATLAS Conference Contributions (5,805)
ATLAS PUB Notes (3,046)
ATLAS Conference Notes (1,266)