2020-03-18
16:17 |
Measurement of the relative $B^{\pm}_c$/$B^{\pm}$ production cross section at ATLAS
/ Toms, Konstantin (University of New Mexico)
/ATLAS Collaboration
The total cross section and differential cross sections for the production of $B_{c}^{\pm}$ mesons, times their branching fraction to $J/\psi \pi^{\pm}$, are measured relative to those for the production of $B^{\pm}$ mesons, times their branching fraction to $J/\psi K^{\pm}$. The data used for this study correspond to an integrated luminosity of $20.3\,\mathrm{fb}^{-1}$ of $pp$ collisions recorded by the ATLAS detector at the Large Hadron Collider in 2012 at a center-of-mass energy of $\sqrt{s} = 8$\,\TeV. [...]
ATL-PHYS-SLIDE-2020-068.-
Geneva : CERN, 2020 - 13 p.
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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2020-03-18
09:28 |
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2020-03-09
14:52 |
The phase-1 upgrade of the ATLAS level-1 calorimeter trigger
/ Ermoline, Iouri (Michigan State University, Department of Physics and Astronomy)
/ATLAS Collaboration
The ATLAS level-1 calorimeter trigger (L1Calo) is a hardware-based system that identifies events containing calorimeter-based physics objects, including electrons, photons, taus, jets, and missing transverse energy. In preparation for Run 3, when the LHC will run at higher energy and instantaneous luminosity, L1Calo is currently implementing a significant programme of planned upgrades. [...]
ATL-DAQ-SLIDE-2020-066.-
Geneva : CERN, 2020 - 1 p.
Fulltext: PPTX; External link: Original Communication (restricted to ATLAS)
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2020-03-09
12:27 |
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2020-03-06
17:13 |
Flow and production of heavy-flavors with ATLAS
/ Lee, Songkyo (Iowa State University)
/ATLAS Collaboration
i) Measurement of the suppression and azimuthal anisotropy of muons from heavy-flavor decays in Pb+Pb collisions: HION-2015-06 ii) Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in Pb+Pb collisions: ATLAS-CONF-2019-053 iii) Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in pp collisions: HION-2018-23 iv) Prompt and non-prompt J/psi and psi(2S) suppression at high transverse momentum in Pb+Pb collisions: HION-2016-07
ATL-PHYS-SLIDE-2020-064.-
Geneva : CERN, 2020
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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2020-03-03
23:16 |
HGTD test beam results
/ Castillo Garcia, Lucia (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain) ; Gkougkousis, Vagelis (The Barcelona Institute of Science and Technology (BIST) (ES)) ; Grieco, Chiara (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain) ; Grinstein, Sebastian (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain)
/ATLAS Collaboration
The performance of a CNM Gallium-doped LGAD sensor irradiated to 3e15 neutron is studied with a 5 GeV electron beam. 2D timing map is shown: time resolution as a function of the reconstructed position of electrons for the entire sensor and its central area..
ATL-LARG-SLIDE-2020-063.-
Geneva : CERN, 2020 - 3 p.
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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2020-03-03
19:44 |
The Micromegas chambers for the ATLAS New Small Wheel upgrade
/ Gnesi, Ivan (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
/ATLAS Collaboration
The ATLAS collaboration at LHC has chosenthe resistive Micromegas technology, along withthe small-strip Thin Gap Chambers (sTGC), for the high luminosity upgrade of the first muonstation in the high-rapidity region, the so called New Small Wheel (NSW) project. After theR&D;, design and prototyping phase, the series production Micromegas quadruplets are beingconstructed at the involved construction sites in France, Germany, Italy, Russia and Greece.AtCERN, the final validation and the integration of the modules in Sectors are in progress.Theseare big steps forward for the installation of the first NSW, the NSW-A foreseen for the LHClong shutdown in 2020. [...]
ATL-MUON-SLIDE-2020-062.-
Geneva : CERN, 2020
Fulltext: ATL-MUON-SLIDE-2020-062 - PDF; INSTR2020_MMchambersForATLASNSW_IGnesi_presented - PDF; External link: Original Communication (restricted to ATLAS)
In : Instrumentation for Colliding Beam Physics, Novosibirsk, Russia, 24 - 28 Feb 2020
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2020-03-03
17:58 |
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2020-03-03
17:29 |
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2020-02-29
17:57 |
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