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ATLAS Preprints

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Senast inlagda poster:
2025-01-28
04:18
Probes of flavour symmetry and violation with top quarks in ATLAS and CMS / Watson, Miriam (Birmingham U.)
Results are presented of searches and measurements in the top quark sector by the ATLAS and CMS experiments. [...]
arXiv:2501.14498. -
Fulltext

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2025-01-27
11:40
Searches for top associated DM production at the LHC / Stafford, Dominic William (DESY) /ATLAS and CMS Collaborations
Recent searches for dark matter (DM) produced in association with top quarks from the ATLAS and CMS experiments using data collected between 2015 and 2018 are presented. These comprise searches from both experiments for DM in association with a single top quark; an improved ATLAS search for DM in single lepton $t\bar{t}$ final states; an ATLAS search stop squarks decaying to a top quark, a charm quark and neutralinos; and a CMS search for DM produced in association with a pair of top quarks or a single top. [...]
CMS-CR-2024-354.- Geneva : CERN, 2024 - 16 p. Fulltext: PDF;
In : 17th International Workshop on Top Quark Physics, Saint Malo, France, 22 - 27 Sep 2024

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2025-01-27
11:40
Precision EWK and QCD measurements from ATLAS, CMS, LHCb / Guglielmi, Valentina (DESY) /ATLAS, CMS and LHCB Collaborations
These proceedings present a compilation of selected recent precise standard model (SM) measurements, including findings by ATLAS, CMS, LHCb. Covered topics include studies of quantum chromodynamics (QCD), such as the latest determinations of the strong coupling $\as$, as well as the illustration of its running. [...]
CMS-CR-2024-347.- Geneva : CERN, 2024 - 10 p. Fulltext: PDF;
In : 43rd International Symposium on Physics in Collision, Athens, Gr, 22 - 25 Oct 2024

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2025-01-20
09:57
Configuration, Performance, and Commissioning of the ATLAS $b$-jet Triggers for the 2022 and 2023 LHC data-taking periods / ATLAS Collaboration
In 2022 and 2023, the Large Hadron Collider produced approximately two billion hadronic interactions each second from bunches of protons that collide at a rate of 40 MHz. [...]
arXiv:2501.11420 ; CERN-EP-2025-004. - 2025 - 47.
Fulltext - Previous draft version - Fulltext

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2025-01-20
09:48
Searches for long-lived particles at the LHC / Benato, Lisa (Vienna, OAW) /ATLAS, CMS and LHCB Collaborations
Recent results of searches for long-lived particles at the LHC experiments are presented. The focus of this report is on long decay lengths, beyond 1 m. [...]
CMS-CR-2024-353.- Geneva : CERN, 2024 - 9 p. Fulltext: PDF;
In : 35th Rencontres de Blois Particle Physics and Cosmology, Blois, Fr, 20 - 25 Oct 2024

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2025-01-14
05:00
Searches for Top-associated Dark Matter Production at the LHC / Stafford, Dominic (DESY)
Recent searches for dark matter (DM) produced in association with top quarks from the ATLAS and CMS experiments using data collected between 2015 and 2018 are presented. [...]
arXiv:2501.06072. - 14.
Fulltext

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2025-01-11
04:01
New Facilities for the Production of 1 mm gap Resistive Plate Chambers for the Upgrade of the ATLAS Muon Spectrometer / Fallavollita, F. (Auckland U.) ; Kortner, O. (Auckland U.) ; Kroha, H. (Auckland U.) ; Maly, P. (Auckland U.) ; Proto, G. (Auckland U.) ; Soyk, D. (Auckland U.) ; Voevodina, E. ; Zimmermann, J. (Auckland U.)
The ATLAS Muon Spectrometer is undergoing a major upgrade for the High-Luminosity LHC (HL-LHC), including the addition of three new thin-gap Resistive Plate Chamber (RPC) layers in the inner barrel region. [...]
arXiv:2501.04756. - 27.
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2024-12-24
16:38
Search for charged Higgs bosons produced in top-quark decays or in association with top quarks and decaying via $H^{\pm} \to \tau^{\pm}\nu_{\tau}$ in 13 TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
Charged Higgs bosons produced either in top-quark decays or in association with a top-quark, subsequently decaying via $H^{\pm} \to \tau^{\pm}\nu_{\tau}$, are searched for in 140 $\text{fb}^{-1}$ of proton-proton collision data at $\sqrt{s}=13$ TeV recorded with the ATLAS detector. [...]
arXiv:2412.17584 ; CERN-EP-2024-311. - 2024 - 43.
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2024-12-23
16:05
Energy scale and resolution for anti-$k_t$ jets with radius parameters $R=0.2$ and 0.6 measured in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
Jets with different radius parameters $R$ are an important tool to probe quantum chromodynamics processes at different angular scales. [...]
arXiv:2412.15783 ; CERN-EP-2024-339. - 2024 - 63.
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2024-12-20
12:22
Azimuthal anisotropies of charged particles with high transverse momentum in Pb+Pb collisions at 5.02 TeV with the ATLAS detector at the LHC / ATLAS Collaboration
A measurement is presented of elliptic ($v_2$) and triangular ($v_3$) azimuthal anisotropy coefficients for charged particles produced in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}} = 5.02$ TeV using a data set corresponding to an integrated luminosity of $435$ $\mu b^{-1}$ collected with the ATLAS detector at the LHC in 2018. [...]
arXiv:2412.15658 ; CERN-EP-2024-334. - 2024 - 54.
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