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ATLAS Preprints

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2024-11-08
10:55
Photon production in top quark events at ATLAS and CMS / Ribeiro Lopes, Beatriz (CERN) /ATLAS and CMS Collaborations
Top quark production in association with a photon offers a unique test ground for the standard model predictions, as it is sensitive to the top-photon coupling. These processes are rare when compared to standard top pair production, however the large amounts of data delivered by the LHC open the window to precise measurements. [...]
CMS-CR-2024-256.- Geneva : CERN, 2024 - 7 p. Fulltext: PDF;
In : 17th International Workshop on Top Quark Physics, Saint Malo, Fr, 22 - 27 Sep 2024

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2024-11-08
04:22
Photon production in top quark events at ATLAS and CMS / Lopes, Beatriz Ribeiro (CERN)
Top quark production in association with a photon offers a unique test ground for the standard model predictions, as it is sensitive to the top-photon coupling. [...]
arXiv:2411.03981. - 7.
Fulltext

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2024-11-06
16:28
Search for a heavy charged Higgs boson decaying into a $W$ boson and a Higgs boson in final states with leptons and $b$-jets in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
This article presents a search for a heavy charged Higgs boson produced in association with a top quark and a bottom quark, and decaying into a $W$ boson and a $125$ GeV Higgs boson $h$. [...]
arXiv:2411.03969 ; CERN-EP-2024-290. - 2024 - 66.
Fulltext - Previous draft version - Fulltext

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2024-11-04
17:45
LFV and related rare decays at ATLAS and CMS / Huwiler, Marc (Zurich U.) /ATLAS and CMS Collaborations
Charged Lepton Flavour Conservation and Lepton Flavour Universality are observed symmetries of the Standard Model (SM) of particle physics, with no underlying theoretical principle enforcing them. Lepton Flavour Violation (LFV) is observed in the neutrino sector, through the spontaneous oscillation of neutrinos between the three flavour families. [...]
CMS-CR-2024-265.- Geneva : CERN, 2024 - 10 p. Fulltext: PDF;
In : 12th Edition of the Large Hadron Collider Physics Conference, Boston, Us, 3 - 7 Jun 2024

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2024-11-04
17:45
Prompt searches for feebly interacting particles at the LHC / Knolle, Joscha (Gent U.) /ATLAS and CMS Collaborations
Recent results from the ATLAS and CMS experiments in searches for prompt signatures of feebly interacting particles are presented. All presented results are based on the $2015{-}2018$ data set of $13\,\mathrm{TeV}$ proton-proton collisions, corresponding to an integrated luminosity of about $140\,\mathrm{fb}^{-1}$. [...]
CMS-CR-2024-245.- Geneva : CERN, 2024 - 9 p. Fulltext: PDF;
In : 12th Edition of the Large Hadron Collider Physics Conference, Boston, Us, 3 - 7 Jun 2024

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2024-11-04
15:13
A search for triple Higgs boson production in the $6b$ final state using $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for the production of three Higgs bosons ($HHH$) in the $b\bar{b}b\bar{b}b\bar{b}$ final state is presented. [...]
arXiv:2411.02040 ; CERN-EP-2024-285. - 2024 - 46 p, 46.
Fulltext - Previous draft version - Fulltext

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2024-10-28
16:10
Measurements of $WH$ and $ZH$ production with Higgs boson decays into bottom quarks and direct constraints on the charm Yukawa coupling in $13\,\mathrm{TeV}$ $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A study of the Higgs boson decaying into bottom quarks ($H \to b\bar{b}$) and charm quarks ($H \to c\bar{c}$) is performed, in the associated production channel of the Higgs boson with a $W$ or $Z$ boson, using $140\,\mathrm{fb}^{-1}$ of proton-proton collision data at $\sqrt{s} = 13\,\mathrm{TeV}$ collected by the ATLAS detector. [...]
arXiv:2410.19611 ; CERN-EP-2024-237. - 2024 - 68.
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2024-10-28
13:20
Multiboson results at ATLAS and CMS / Bhattacharya, Saptaparna (Wayne State U.) /ATLAS and CMS Collaborations
The study of multiboson processes at the Large Hadron Collider provides important tests of the non-Abelian gauge structure of the Standard Model of Particle Physics (SM). While processes featuring the scattering of vector bosons have been observed with early Run 2 data, the entirety of the Run 2 data allows for differential measurements of these processes further enabling precision tests of the SM. [...]
CMS-CR-2024-121.- 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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2024-10-24
14:02
Search for supersymmetry in final states with missing transverse momentum and charm-tagged jets using 139 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}=$ 13 TeV with the ATLAS detector / ATLAS Collaboration
The paper presents a search for supersymmetric particles produced in proton-proton collisions at $\sqrt{s}=$ 13 TeV and decaying into final states with missing transverse momentum and jets originating from charm quarks. [...]
arXiv:2410.17824 ; CERN-EP-2024-218. - 2024 - 52.
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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 / ATLAS Collaboration
A search for leptons displaced from the primary vertex is performed with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2410.16835 ; CERN-EP-2024-257. - 2024 - 49.
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