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ATLAS Preprints

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2024-05-21
15:22
Higgs coupling measurements (with emphasis to fermions) at ATLAS and CMS / Trevisani, Nicolo' (KIT, Karlsruhe, EKP) /ATLAS and CMS Collaborations
In the standard model of particle Physics, the Higgs boson is responsible for the electroweak spontaneous symmetry breaking. As a result, particles that interact with the Higgs boson acquire mass [...]
CMS-CR-2024-085.- Geneva : CERN, 2024 - 7 p. Fulltext: PDF;
In : 58th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 24 - 31 Mar 2024

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2024-05-21
15:13
Rare and exotic Higgs decays at ATLAS and CMS / Das, Pallabi (Princeton U.) /ATLAS and CMS Collaborations
After the Higgs boson discovery in 2012, the experiments at the LHC are continuing to study this particle and look for physics beyond the standard model. Some of the Higgs boson properties, such as the mass, has been measured with sub-percent level accuracy. [...]
CMS-CR-2024-077.- Geneva : CERN, 2024 - 5 p. Fulltext: PDF;
In : 58th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, It, 31 Mar - 7 Apr 2024

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2024-05-21
15:13
Top quark mass and cross section at ATLAS and CMS / Faltermann, Nils (KIT, Karlsruhe, EKP) /ATLAS and CMS Collaborations
The top quark is the heaviest elementary particle known to date and therefore an important topic to study in the context of the standard model at the LHC. In this contribution the latest measurements of top quark production cross sections and the top quark mass at the LHC by the ATLAS and CMS Collaborations are presented..
CMS-CR-2024-079.- Geneva : CERN, 2024 - 5 p. Fulltext: PDF;
In : 58th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, It, 31 Mar - 7 Apr 2024

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2024-05-16
04:26
Search for Vector-like Quark, Heavy Neutral Lepton and Long-lived Particles at ATLAS and CMS / Grancagnolo, Sergio (INFN, Lecce)
Several theories beyond the Standard Model (BSM) predict heavy neutral leptons, or long-lived particles with unique signatures which are difficult to reconstruct. [...]
arXiv:2405.08782. - 6 p.
Fulltext

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2024-05-14
06:51
Electroweak results in two-photon collisions at the LHC / Caillol, Cecile
The LHC is also a high-energy photon collider. [...]
arXiv:2405.05977. -
Fulltext

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2024-05-13
15:23
Top quark properties measurements and searches at ATLAS and CMS / Wuchterl, Sebastian (CERN) /ATLAS and CMS Collaborations
Theoretical predictions for processes involving top quarks, such as top quark-antiquark pair production, depend on fundamental standard model (SM) parameters like the top quark mass or potentially receive contributions from beyond-the-SM (BSM) physics. By comparing predictions with measurements performed at the ATLAS and CMS experiments, SM parameters can be determined precisely, or measurements can be used as a powerful probe for BSM physics. [...]
CMS-CR-2024-073.- Geneva : CERN, 2024 - 7 p. Fulltext: PDF;
In : 58th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 24 - 31 Mar 2024

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2024-05-13
15:23
Searches for long lived particles at ATLAS and CMS / Collard, Caroline (Strasbourg, IPHC) /ATLAS and CMS Collaborations
These proceedings review the latest results on searches for long lived particles performed by the ATLAS and CMS collaborations..
CMS-CR-2024-071.- Geneva : CERN, 2024 - 5 p. Fulltext: PDF;
In : 58th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, It, 31 Mar - 7 Apr 2024

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2024-05-13
15:23
Higgs cross-section ( including di-Higgs ) with CMS and ATLAS / Lange, Torben (NICPB, Tallinn) /ATLAS and CMS Collaborations
Since the discovery of the Higgs boson in 2012 by the CMS and ATLAS collaborations a lot of progress has been made in verifying the nature of this new bosonic particle. Still, questions remain as to whether this new particle is the standard model (SM) Higgs boson, and whether it gives us hints of where physics beyond the SM (BSM) might be hidden. [...]
CMS-CR-2024-070.- Geneva : CERN, 2024 - 5 p. Fulltext: PDF;
In : 58th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, It, 31 Mar - 7 Apr 2024

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2024-05-13
15:23
Heavy Neutrino Searches at Hadron Colliders / Vizan Garcia, Jesus Manuel (Cantabria Inst. of Phys.) /ATLAS and CMS Collaborations
A wide variety of searches for Heavy neutral leptons (HNLs) is carried out at the Large Hadron Collider, featuring a variety of signatures and theoretical models. In this note, several recent searches carried out by the CMS and ATLAS experiments for a HNL mass range from 1 GeV to several TeVs are reviewed..
CMS-CR-2024-055.- Geneva : CERN, 2024 - 9 p. Fulltext: PDF;
In : 16th International Conference on Heavy Quarks and leptons , Mumbai, In, 28 Nov - 2 Dec 2023

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2024-05-08
16:28
Underlying-event studies with strange hadrons in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
Properties of the underlying-event in $pp$ interactions are investigated primarily via the strange hadrons $K_{S}^{0}$, $\Lambda$ and $\bar\Lambda$, as reconstructed using the ATLAS detector at the LHC in minimum-bias $pp$ collision data at $\sqrt{s} = 13$ TeV. [...]
arXiv:2405.05048 ; CERN-EP-2024-105. - 2024. - 42 p.
Fulltext - Previous draft version - Fulltext

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