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ATLAS Preprints

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2024-10-23
07:07
Search for displaced leptons in $\sqrt{s}=13$ TeV and $13.6$ TeV $pp$ collisions with the ATLAS detector
A search for leptons displaced from the primary vertex is performed with the ATLAS detector at the Large Hadron Collider. [...]
CERN-EP-2024-257. - 2024
Fulltext - Previous draft version

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2024-10-22
14:09
Search for a new scalar decaying into new spin-1 bosons in four-lepton final states with the ATLAS detector
A search is conducted for a new scalar boson $S$, with a mass distinct from that of the Higgs boson, decaying into four leptons ($\ell =$ $e$, $\mu$) via an intermediate state containing two on-shell, promptly decaying new spin-1 bosons $Z_\text{d}$: $S \rightarrow Z_\text{d}Z_\text{d} \rightarrow 4\ell$, where the $Z_\text{d}$ boson has a mass between 15 and 300 GeV, and the $S$ boson has a mass between either 30 and 115 GeV or 130 and 800 GeV. [...]
CERN-EP-2024-248. - 2024
Fulltext - Previous draft version

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2024-10-22
09:44
ATLAS and CMS Higgs boson related measurements / Le Bihan, Anne-Catherine (Strasbourg, IPHC) /ATLAS and CMS Collaborations
Since its discovery in 2012, ATLAS and CMS Collaborations are constantly updating the Higgs boson properties and interaction measurements to characterize as precisely as possible the electroweak symmetry breaking mechanism. These proceedings report on the status of these measurements at the beginning of Summer 2024. [...]
CMS-CR-2024-250.- Geneva : CERN, 2024 - 9 p. Fulltext: PDF;
In : PASCOS 2024, the 29th International Symposium on Particles, String and Cosmology, Quy Nhon, Vn, 7 - 13 Jul 2024

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2024-10-21
10:52
Exploring jets substructure and flavour tagging in CMS and ATLAS / Malara, Andrea (Brussels U.) /ATLAS and CMS Collaborations
The identification and characterization of jets are crucial tasks for effectively probing fundamental particle interactions. The ATLAS and CMS experiments have developed cutting-edge techniques to improve jet identification and calibration, employing innovative approaches including advanced neural network architectures, attention-based mechanisms, and adversarial training. [...]
CMS-CR-2024-177.- Geneva : CERN, 2024 - 7 p. Fulltext: PDF;
In : 12th Edition of the Large Hadron Collider Physics Conference, Boston, Us, 3 - 7 Jun 2024

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2024-10-01
10:12
Search for a light CP-odd Higgs boson decaying into a pair of $\tau$-leptons in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
This paper reports a search for a light CP-odd scalar resonance with a mass of 20 GeV to 90 GeV in 13 TeV proton-proton collision data with an integrated luminosity of 140 fb$^{-1}$ collected with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2409.20381 ; CERN-EP-2024-235. - 2024 - 51.
Fulltext - Previous draft version - Fulltext

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2024-09-30
16:43
Search for single-production of vector-like quarks decaying into $Wb$ in the fully hadronic final state in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for $T$ and $Y$ vector-like quarks produced in proton-proton collisions at a centre-of-mass energy of $13\,\text{TeV}$ and decaying into $Wb$ in the fully hadronic final state is presented. [...]
arXiv:2409.20273 ; CERN-EP-2024-222. - 2024 - 42.
Fulltext - Previous draft version - Fulltext

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2024-09-30
16:37
Novel ML technique applications / Duarte, Javier Mauricio (UC, San Diego) /ALICE,ATLAS,CMS and LHCB Collaborations
Machine learning (ML) is a rapidly growing area of research in the field of particle physics, with a vast array of applications at the CERN LHC. ML has changed the way particle physicists conduct searches and measurements as a versatile tool used to improve existing approaches and enable fundamentally new ones. [...]
CMS-CR-2024-239.- Geneva : CERN, 2024 - 11 p. Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024

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2024-09-30
16:36
Search for dark matter particle production at the LHC / Felcini, Marta (University Coll., Dublin) /ATLAS and CMS Collaborations
Understanding the fundamental nature and properties of dark matter is a main goal of fundamental physics experiments. The LHC experiments seek to detect processes which could explains how dark matter is produced and how it interacts with ordinary matter. [...]
CMS-CR-2024-191.- Geneva : CERN, 2024 - 7 p. Fulltext: PDF;
In : 58th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 31 Mar - 7 Apr 2024

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2024-09-30
16:35
Electroweak measurements at the LHC and HL-LHC (ATLAS and CMS) / Magnan, Anne-marie (Imperial Coll., London) /ATLAS and CMS Collaborations
This contribution aims at giving an overview of ATLAS and CMS results in the electroweak sector of the standard model. First, the latest precision measurements for a selection of standard model parameters of the electroweak sector will be reviewed. [...]
CMS-CR-2024-178.- Geneva : CERN, 2024 - 13 p. Fulltext: PDF;
In : International Workshop on Future Linear Colliders, Tokyo, Jp, 8 Jul - 8 Nov 2024

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2024-09-30
16:34
Search for dark matter particle production at the LHC / Felcini, Marta (University Coll., Dublin) /ATLAS and CMS Collaborations
Understanding the fundamental nature and properties of dark matter is a main goal of fundamental physics experiments. The LHC experiments seek to detect processes which could explains how dark matter is produced and how it interacts with ordinary matter. [...]
arXiv:2409.19216; CMS CR-2024/191.- Geneva : CERN, 2024 - 7 p. Fulltext: 2409.19216 - PDF; CR2024_191 - PDF;
In : 58th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 31 Mar - 7 Apr 2024

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