CERN Accelerating science

CERN Document Server 815 записей найдено  началопредыдущий21 - 30следующийконец  перейти к записи: Поиск длился 0.91 секунд. 
21.
Search for Higgs boson pair production in the 𝐻𝐻→ 𝑏𝑏𝛾𝛾 channel with the ATLAS experiment / Tartarin, Matthias Jean (Centre National de la Recherche Scientifique (FR)) ; ATLAS Collaboration /ATLAS Collaboration
The HH→bbγγ is of the most sensitive channels for SM Di-Higgs production search and for constraining the Higgs self-coupling. This analysis, despite the small decay fraction, profits from a clean signature of H to two photons in the final state. [...]
ATL-PHYS-SLIDE-2025-444.- Geneva : CERN, 2025 - 17 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
22.
The Phase-1 Upgrade of the ATLAS level-1 calorimeter trigger / Carroll, Anthony Maurel (University of Oregon (US)) ; ATLAS TDAQ Collaboration /ATLAS Collaboration
The ATLAS level-1 calorimeter trigger is a custom-built hardware system that identifies events containing calorimeter-based physics objects, including electrons, photons, taus, jets, and missing transverse energy. In Run 3, L1Calo has been upgraded to process higher granularity input data. [...]
ATL-DAQ-SLIDE-2025-443.- Geneva : CERN, 2025 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : The 32nd International Symposium on Lepton Photon Interactions at High Energies (Lepton Photon 2025), Madison, Wisconsin, Us, 25 - 29 Aug 2025
23.
Enhancing the ATLAS Level-1 endcap muon trigger with New Small Wheel integration in Run3 / Sue, Yuki (KEK High Energy Accelerator Research Organization (JP)) ; ATLAS Collaboration /ATLAS Collaboration
The Level-1 muon endcap trigger in the ATLAS experiment utilises signals from the Thin Gap Chambers (TGCs) located in the outer muon stations. A significant challenge for this system has been the high background rate caused by particles not originating at the interaction point, which increased the Level-1 trigger rate. [...]
ATL-DAQ-SLIDE-2025-440.- Geneva : CERN, 2025 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
24.
GELATO: A Generic Event-Level Anomalous Trigger Option for ATLAS in LHC Run 3 / Sugizaki, Kaito (University of Pennsylvania (US)) ; ATLAS Collaboration /ATLAS Collaboration
Search for physics beyond the Standard Model has been a long-standing subject at the LHC. The absence of such signatures indicates that new physics may elude standard triggers; conventional triggers at the ATLAS experiment are constructed by setting thresholds on variables such as the particle momentum, targeting event topologies exclusive to specific models. [...]
ATL-DAQ-SLIDE-2025-420.- Geneva : CERN, 2025 - 16 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : The 32nd International Symposium on Lepton Photon Interactions at High Energies (Lepton Photon 2025), Madison, Wisconsin, Us, 25 - 29 Aug 2025
25.
The upgrade of the ATLAS Trigger and Data Acquisition system for the High Luminosity LHC / Wengler, Thorsten (CERN) ; ATLAS Collaboration /ATLAS Collaboration
The ATLAS experiment at CERN is constructing upgraded system for the "High Luminosity LHC", with collisions due to start in 2030. In order to deliver an order of magnitude more data than previous LHC runs, 14 TeV protons will collide with an instantaneous luminosity of up to 7.5 x 10e34 cm^-2s^-1, resulting in much higher pileup and data rates than the current experiment was designed to handle. [...]
ATL-DAQ-SLIDE-2025-418.- Geneva : CERN, 2025 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : The 32nd International Symposium on Lepton Photon Interactions at High Energies (Lepton Photon 2025), Madison, Wisconsin, Us, 25 - 29 Aug 2025
26.

ATLAS-PHOTO-2025-048
ATLAS Experiment © 2025 CERN
ATLAS Event Display: Search for leptoquarks in lepton–proton collisions
Visualisation of a candidate event in the signal r [...]
28-08-2025
27.
ATLAS Inner Detector Operational Experience at the Large Hadron Collider at CERN / Akiyama, Daiya (Waseda University (JP)) ; ATLAS Pixel Collaboration ; ATLAS SCT Collaboration /ATLAS Collaboration
The tracking and vertexing performance of the ATLAS detector relies critically on the silicon and gaseous tracking subsystems that form the ATLAS Inner Detector. They have been operated successfully with high performance in LHC since Run 1 (2010) up to the current date. [...]
ATL-INDET-SLIDE-2025-399.- Geneva : CERN, 2025 - 25 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
28.
Overview of ATLAS muon detectors: status and performance / Izumiyama, Shota (Nagoya University (JP)) ; ATLAS Collaboration /ATLAS Collaboration
The ATLAS Muon Spectrometer, the largest muon system ever built at colliders, now comprises both legacy gaseous detectors—Monitored Drift Tubes (MDT), Thin Gap Chambers (TGC), and Resistive Plate Chambers (RPC)—which have been in operation for over 15 years, as well as newer technologies like Micromegas and small-strip TGCs in the NSW. These new systems are now in stable operation following an extensive phase of construction and commissioning, providing enhanced muon tracking and trigger capabilities. [...]
ATL-MUON-SLIDE-2025-394.- Geneva : CERN, 2025 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 2025 European Physical Society Conference on High Energy Physics (EPS-HEP 2025), Marseille, Fr, 7 - 11 Jul 2025
29.
Upgrade of ATLAS Hadronic Tile Calorimeter for the HL-LHC / Aikot, Arya (Univ. of Valencia and CSIC (ES)) ; ATLAS Tile Collaboration /ATLAS Collaboration
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. The High-Luminosity phase of LHC, delivering 5 to 7.5 times the LHC nominal instantaneous luminosity, is expected to begin in 2030. [...]
ATL-TILECAL-SLIDE-2025-369.- Geneva : CERN, 2025 - 21 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 14th International Conference on New Frontiers in Physics 2025 (ICNFP 2025), Kolymbari, Crete, Gr, 17 - 31 Jul 2025
30.
ATLAS Muon Detectors Upgrade for High Luminosity LHC / Falsetti, Gregorio (Universita della Calabria e INFN (IT)) ; ATLAS Collaboration /ATLAS Collaboration
The muon spectrometer of the ATLAS detector will undergo a substantial upgrade during the Phase-II upgrade to meet the operational demands of the High- Luminosity LHC. Most of the electronics for the Monitored Drift Tube (MDT) chambers, Resistive Plate Chambers (RPC), and Thin Gap Chambers (TGC) will be replaced to ensure compatibility with the higher trigger rates and extended latencies required for the new level-0 trigger. [...]
ATL-MUON-SLIDE-2025-366.- Geneva : CERN, 2025 - 17 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 2025 European Physical Society Conference on High Energy Physics (EPS-HEP 2025), Marseille, Fr, 7 - 11 Jul 2025

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