2025-07-17 18:00 |
Search for Higgs boson decays into a pair of pseudoscalar particles in the $\gamma\gamma\tau\tau$ final state using pp collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
/ Ninio, Gadi (Tel Aviv University (IL))
/ATLAS Collaboration
Many well-motivated extensions of the Standard Model predict light (pseudo)scalars, referred to as 𝑎 bosons, that couple to the 125 GeV Higgs boson, enabling new exotic decay modes. This study presents a search for Higgs boson decays into a pair of such particles, $H\rightarrow aa$, where one 𝑎-boson decays into a photon pair and the other into a $\tau$-lepton pair, performed for the first time at the Large Hadron Collider. [...]
ATL-PHYS-SLIDE-2025-336.-
Geneva : CERN, 2025 - 24 p.
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 15th Higgs Hunting 2025 (HH2025), Orsay, France, 15 - 17 Jul 2025
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2025-07-17 17:57 |
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2025-07-17 17:54 |
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2025-07-17 16:49 |
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2025-07-17 13:18 |
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2025-07-17 12:36 |
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2025-07-17 12:08 |
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2025-07-16 21:54 |
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2025-07-16 15:59 |
Quark-Gluon Constituent-Based Jet Taggers for the HL-LHC
/ Castillo, Florencia Luciana (Centre National de la Recherche Scientifique (FR))
/ATLAS Collaboration
Jet constituents provide a more detailed description of the radiation pattern within a jet compared to observables summarizing global jet properties. In Run 2 analyses at the LHC using the ATLAS detector, transformer-based taggers leveraging low-level variables outperformed traditional approaches based on high-level variables and conventional neural networks in distinguishing quark- and gluon-initiated jets. [...]
ATL-PHYS-SLIDE-2025-329.-
Geneva : CERN, 2025 - 1 p.
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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2025-07-16 10:07 |
Study of soft QCD phenomena and double parton interactions with ATLAS
/ Todorova, Sarka (Charles University (CZ))
/ATLAS Collaboration
Despite the success of perturbative QCD predictions in the high-energy regime, QCD itself remains mysterious at its nominal non-perturbative QCD scale. The LHC offers rich opportunities to probe the core of QCD related questions, by studying minibias events, double parton interactions, small-x and diffractive processes, as well as correlations in hadronization processes. [...]
ATL-PHYS-SLIDE-2025-328.-
Geneva : CERN, 2025 - 12 p.
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 2025 European Physical Society Conference on High Energy Physics (EPS-HEP 2025), Marseille, Fr, 7 - 11 Jul 2025
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