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CERN Document Server Sök i 129 journaler efter:  1 - 10nästaslut  gå till journal: Sökningen tog 0.55 sekunder. 
1.
Search for a light CP-odd Higgs boson decaying into a pair of $\tau$-leptons in the full ATLAS Run 2 dataset / Gutsche, Manuel (Technische Universitaet Dresden (DE)) /ATLAS Collaboration
This talk presents a search for a light CP-odd resonance in a mass range of $20\,\mathrm{GeV}$ to $90\,\mathrm{GeV}$ that is produced via gluon fusion and exclusively decays to a $\tau^{+}\tau^{-}$-pair with the $\tau$-leptons decaying to the fully leptonic final states $\tau^{+}\tau^{-} \to \mu^{+}\nu_{\mu} \bar{\nu}_{\tau} e^{-} \bar{\nu}_{e} \nu_{\tau}$ and $\tau^{+}\tau^{-} \to e^{+}\nu_{e}\bar{\nu}_{\tau} \mu^-\bar{\nu}_{\mu}\nu_{\tau}$. The analysis uses proton--proton collision data at $13\,\mathrm{TeV}$ collected with the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of $140\,\mathrm{fb}^{-1}$. [...]
ATL-PHYS-SLIDE-2024-418.- Geneva : CERN, 2024 - 40 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : Higgs Hunting 2024, Orsay, Fr, 23 - 25 Sep 2024
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2.
Searches for new phenomena using Anomaly Detection at the ATLAS experiment / D'Avanzo, Antonio (University Federico II and INFN, Naples (IT))
After the discovery of the Higgs boson at the Large Hadron Collider (LHC) at CERN, we undoubtedly live in a phase characterized by a lack of discoveries of Beyond Standard Model physics in particles accelerators. [...]
ATL-PHYS-PROC-2024-070. - 2024. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3.
Strange Hadrons in Underlying-Events, Measured in Proton-Proton Collisions at √𝒔 = 13 TeV with the ATLAS Detector / Djama, Fares (Centre National de la Recherche Scientifique (FR)) /ATLAS Collaboration
In this talk, recent measurements of distributions sensitive to the underlying event, the hadronic activity observed in relationship with the hard scattering in the event, by the ATLAS experiment are presented. Underlying event observables like the average particle multiplicity and the transverse momentum sum are measured for Kaons as Lambda baryons as a function of the leading track-jet and are compared to MC predictions which in general fail to describe the data..
ATL-PHYS-SLIDE-2024-243.- Geneva : CERN, 2024 - 26 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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4.
Searches for new phenomena using Anomaly Detection at the ATLAS experiment / D'Avanzo, Antonio (University Federico II and INFN, Naples (IT)) /ATLAS Collaboration
After the discovery of the Higgs boson at the Large Hadron Collider (LHC) at CERN, we undoubtedly live in a phase characterized by a lack of discoveries of Beyond Standard Model physics in particles accelerators. Anomaly Detection is a novel machine learning approach that could be used to resolve this stalemate, as it allows to be very general with the searched signatures without losing sensibility to possible signals. [...]
ATL-PHYS-SLIDE-2024-240.- Geneva : CERN, 2024 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 42nd International Conference on High Energy Physics, Prague, Cz, 18 - 24 Jul 2024
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5.
VBF/VBS Measurements in ATLAS / Wang, Zhen (Tsung-Dao Lee Institute (CN)) /ATLAS Collaboration
VBF/VBS measurements in ATLAS Talk Requested by organisers Keywords: 1 lepton, 13 TeV, 2 jets, 2 leptons, 2 leptons (same charge), >=3 leptons, Cross-section measurement, Differential measurement, EFT, Electroweak processes, MET, None, Photons, QGC measurements, R21, VBS, VBS measurements, Vphoton, WW, WZ, ZZ. Relevant publications: STDM-2018-32 , STDM-2020-02 , STDM-2022-06 , STDM-2018-31 , STDM-2018-35 ..
ATL-PHYS-SLIDE-2024-237.- Geneva : CERN, 2024 - 27 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : PASCOS 2024, the 29th International Symposium on Particles, String and Cosmology, Quy Nhon, Vn, 7 - 13 Jul 2024
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6.
Higgs mass and width measurements at ATLAS / Nasella, Laura (Università degli Studi e INFN Milano (IT)) /ATLAS Collaboration
This talk presents precise measurements of the Higgs boson mass and width, obtained using the full dataset collected in pp collisions at 13 TeV during Run 2 of the LHC. The mass measurements are performed exploiting the Higgs boson decays into two photons or four leptons, as well as their combination. [...]
ATL-PHYS-SLIDE-2024-236.- Geneva : CERN, 2024 - 18 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : PASCOS 2024, the 29th International Symposium on Particles, String and Cosmology, Quy Nhon, Vn, 7 - 13 Jul 2024
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7.
Model agnostic searches in final states with jets at ATLAS / D'Avanzo, Antonio (University Federico II and INFN, Naples (IT)) /ATLAS Collaboration
Many models of physics beyond the standard model predict the existence of new particles with hadronic decays. A model agnostic approach to these searches reduces the dependence of the results on prior assumptions, and also enables a broader exploration of the experimental landscape. [...]
ATL-PHYS-SLIDE-2024-232.- Geneva : CERN, 2024 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : PASCOS 2024, the 29th International Symposium on Particles, String and Cosmology, Quy Nhon, Vn, 7 - 13 Jul 2024
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8.
Climbing to the Top of the ATLAS 13 TeV data / ATLAS Collaboration
The large amount of data recorded with the ATLAS detector at the Large Hadron Collider, corresponding to 140 fb$^{-1}$ of $pp$ collisions at a centre-of-mass energy of $\sqrt{s}=13$ TeV, has brought our knowledge of the top quark to the next level. [...]
arXiv:2404.10674 ; CERN-EP-2024-099. - 2024 - 88.
Fulltext - Previous draft version - Fulltext
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9.

CMS-PHO-EVENTS-2024-019
© 2024 CERN, for the benefit of the CMS Collaboration 		First stable beam collisions seen in CMS at 13.6 TeV
Events seen in the CMS detector produced from stab [...]
05/04/2024
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10.

CMS-PHO-EVENTS-2024-017
© 2024 CERN, for the benefit of the CMS Collaboration 		Display of an event seen as part of a measurement of the tW cross section at 13.6 TeV using Run 3 data
27/03/2024
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