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ATLAS Notes

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2024-09-06
09:10
Search for higgsinos with compressed spectra exploiting a low-momentum track with large transverse impact parameter / Sala, Alessandro (Università degli Studi e INFN Milano (IT))
Supersymmetry (SUSY) models with nearly mass-degenerate higgsinos 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-2024-057. - 2024. - 3 p.
Original Communication (restricted to ATLAS) - Full text

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2024-09-03
15:34
Expected performance of the ATLAS ITk detector for HL-LHC / El Ghazali, Yassine (University of Science and Technology of China (CN))
The increased instantaneous luminosity levels expected to be delivered by the High-Luminosity LHC (HL-LHC) will present new challenges to High-Energy Physics experiments, both in terms of detector technologies and software capabilities. [...]
ATL-ITK-PROC-2024-026. - 2024. - 5 p.
Original Communication (restricted to ATLAS) - Full text

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2024-08-29
14:55
Precision measurements of B meson decays at ATLAS / Biros, Marek (Charles University (CZ))
The precise measurement of the $CP$-violating phase $\phi_s$, the average decay width $\Gamma_s$ and the difference between the widths of the light and heavy mass eigenstates $\Delta \Gamma_s$ is presented in the $B_s^0\rightarrow J/\psi \phi $ decay channel. [...]
ATL-PHYS-PROC-2024-056. - 2024. - 7 p.
Original Communication (restricted to ATLAS) - Full text

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2024-08-29
12:23
Highlights from LHC Detector Upgrades / Brooijmans, Gustaaf (Columbia University (US))
The High Luminosity LHC will operate at luminosities up to 7.5 times the original LHC design luminosity, and accumulate 3 times more data than originally envisioned. [...]
ATL-UPGRADE-PROC-2024-004. - 2024. - 5 p.
Original Communication (restricted to ATLAS) - Full text

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2024-08-21
19:32
Boosting CPU Efficiency in ATLAS Inner Detector Reconstruction with Track Overlay / Tsai, Fang-Ying (Stony Brook University (US))
In response to the rising CPU consumption and storage demands of the High-Luminosity Large Hadron Collider (HL-LHC), efforts are ongoing to enhance the CPU processing efficiency of reconstruction within the ATLAS inner detector (ID). [...]
ATL-SOFT-PROC-2024-006. - 2024. - 5 p.
Original Communication (restricted to ATLAS) - Full text

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2024-08-19
12:51
Search for new phenomena with the ATLAS detector at the LHC / Zhang, Sijing (Centre National de la Recherche Scientifique (FR))
Many theories beyond the Standard Model (BSM) have been proposed to address several of the Standard Model shortcomings, such as the origin of dark matter and neutrino masses, the fine-tuning of the Higgs Boson mass, or the observed pattern of masses and mixing angles in the quark and lepton sectors. [...]
ATL-PHYS-PROC-2024-055. - 2024. - 7 p.
Original Communication (restricted to ATLAS) - Full text

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2024-08-19
12:03
Measurements of top quarks in association with electroweak gauge bosons with the ATLAS experiment / Watson, Harriet (The University of Edinburgh (GB))
The high centre-of-mass energy $(\sqrt{s})$ of proton-proton collisions and the large available datasets at the CERN Large Hadron Collider allow the study of rare processes of the Standard Model (SM) with unprecedented precision. [...]
ATL-PHYS-PROC-2024-054. - 2024. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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2024-08-16
22:53
Recent heavy-flavour results from ATLAS / Turchikhin, Semen (INFN e Universita Genova (IT))
Recent heavy-flavour results of the ATLAS experiment at LHC are presented. [...]
ATL-PHYS-PROC-2024-053. - 2024. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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2024-08-16
15:01
ATLAS Geant4 Simulation Optimizations / ATLAS Collaboration
Several optimization techniques are implemented in the ATLAS Geant4 detector simulation to improve CPU and memory usage. [...]
ATL-SOFT-PROC-2024-005. - 2024. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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2024-08-16
12:01
ATLAS TDAQ upgrades for Phase-2 / Pastore, Francesca (University of London (GB))
The ATLAS experiment at CERN will be upgraded for the "High Luminosity LHC", with collisions due to start in 2029. [...]
ATL-DAQ-PROC-2024-008. - 2024. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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ATLAS Conference Contributions (5,580)
ATLAS PUB Notes (3,031)
ATLAS Conference Notes (1,262)