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ATLAS Preprints

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2023-12-05
11:38
Evidence for the $VH, H\rightarrow \tau\tau$ process with the ATLAS detector in Run 2
A search for the Standard Model Higgs boson produced in association with a $W$ or $Z$ boson and decaying into a pair of $\tau$-leptons is presented. [...]
CERN-EP-2023-272. - 2023.
Fulltext - Previous draft version

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2023-12-04
19:18
Search for the decay of the Higgs boson to a $Z$ boson and a light pseudoscalar particle decaying to two photons
A search for the decay of the Higgs boson to a $Z$ boson and a light, pseudoscalar particle, $a$, decaying respectively to two leptons and to two photons is reported. [...]
CERN-EP-2023-167. - 2023.
Fulltext - Previous draft version

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2023-12-04
11:52
ttbar differential and inclusive measurements / Walter, David (CERN) /ATLAS and CMS Collaborations
This report summarizes recent results of inclusive and differential tt cross section measurements from the ATLAS and CMS Collaborations at the LHC. Measurements at sqrt(s) = 7, 8, 13, and 13.6 TeV are compared to state-of-the-art theory predictions, using different PDF sets, matrix element calculations, or parton shower models. [...]
CMS-CR-2023-292.- Geneva : CERN, 2023 - 7 p. Fulltext: PDF;
In : 16th International Workshop on Top Quark Physics, Traverse City, Michigan, Us, 24 - 29 Sep 2023

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2023-12-01
13:25
Measurement and interpretation of same-sign $W$ boson pair production in association with two jets in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
This paper presents the measurement of fiducial and differential cross sections for both the inclusive and electroweak production of a same-sign $W$-boson pair in association with two jets ($W^\pm W^\pm jj$) using 139 fb$^{-1}$ of proton-proton collision data recorded at a centre-of-mass energy of $\sqrt{s}=13$ TeV by the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2312.00420 ; CERN-EP-2023-221. - 2023. - 57 p, 57 p.
Fulltext - Previous draft version - Fulltext

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2023-11-30
10:54
Search for light long-lived neutral particles from Higgs boson decays via vector-boson-fusion production from $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search is reported for long-lived dark photons with masses between 0.1 GeV and 15 GeV, from exotic decays of Higgs bosons produced via vector-boson-fusion. [...]
arXiv:2311.18298 ; CERN-EP-2023-226. - 2023. - 45 p.
Fulltext - Previous draft version - Fulltext

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2023-11-28
11:28
Combination of searches for resonant Higgs boson pair production using $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A combination of searches for resonant Higgs boson pair production is presented, using up to 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the LHC. [...]
arXiv:2311.15956 ; CERN-EP-2023-271. - 2023. - 31 p.
Fulltext - Previous draft version - Fulltext

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2023-11-27
17:28
Measurement of the ttbar cross-section and ttbarZ cross-section ratio in pp collisions at a centre-of-mass energy of 13.6 TeV with the ATLAS and CMS experiments / Ranken, Evan Altair (DESY) /ATLAS and CMS Collaborations
Recent measurements of the inclusive ttbar production cross section, sigma_ttbar, and the ratio of ttbar to Z boson production, R_ttbar/Z, are presented by the CMS and ATLAS collaboration using data collected from proton-proton collisions at the new LHC operating energy of sqrt(s)=13.6 TeV. These are among the first results of the ongoing LHC Run 3 data-taking period, which began in 2022, and provide a first opportunity to measure changes in key physics observables following the increase in energy. [...]
CMS-CR-2023-269.- Geneva : CERN, 2023 - 10 p. Fulltext: PDF;
In : 2023 European Physical Society Conference on High Energy Physics (EPS-HEP2023), Hamburg, Germany, 20 - 25 Aug 2023

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2023-11-23
04:16
Measurements and EFT fits on detector level / Mohrman, Kelci
The framework of standard model effective field theory (SMEFT) provides a relatively model-agnostic tool with which to parameterize the off-shell effects of potential heavy new physics. [...]
arXiv:2311.12204. -
Fulltext

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2023-11-20
17:19
Latest VBS and VBF results with the ATLAS and CMS experiments / Camaiani, Benedetta (INFN, Florence ; Florence U.) /ATLAS and CMS Collaborations
Vector Boson Scattering and Fusion processes are crucial to probe the electroweak sector of the Standard Model, as they are sensitive to self-couplings of vector bosons. This review summarizes the latest measurements of production cross sections of vector bosons in association with two jets, performed using data collected by the ATLAS and CMS experiments at $\sqrt{s} = 13$ TeV during the LHC Run 2 data taking period..
CMS-CR-2023-270.- Geneva : CERN, 2023 - 7 p. Fulltext: PDF;
In : 19th Incontri di Fisica delle Alte Energie, Catania, Italy, 12 - 14 Apr 2023

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2023-11-20
17:19
Searches for flavor-changing neutral currents and charged lepton flavor violation in association with top quarks at ATLAS and CMS / Park, Jiwon (DESY) /ATLAS and CMS Collaborations
The latest searches for flavor-changing neutral current (FCNC) and charged lepton flavor violation (CLFV) interactions in top quark events at the CMS and ATLAS experiments are presented. The data collected during the LHC Run 2 data-taking period have been utilized to test various types of beyond the standard model interactions in the top quark sector. [...]
CMS-CR-2023-258.- Geneva : CERN, 2023 - 7 p. Fulltext: PDF;
In : 2023 European Physical Society Conference on High Energy Physics (EPS-HEP2023), Hamburg, Germany, 20 - 25 Aug 2023

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