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Compact tracking calorimeters for the detection of low-energy cosmic-ray (anti-)nuclei / Losekamm, Martin J (Munich, Tech. U. ; ORIGINS, Garching ; ESTEC, Noordwijk) ; Eckert, Liesa (Tech. U., Munich (main)) ; Hinderberger, Peter (Munich, Tech. U. ; ORIGINS, Garching) ; Meyer-Hetling, Luise (Munich, Tech. U. ; ORIGINS, Garching) ; Paul, Stephan (Munich, Tech. U. ; ORIGINS, Garching) ; Pöschl, Thomas (CERN)
Low-energy cosmic and solar radiation serves as a probe for investigations in astrophysics and heliophysics, and at the same time constitutes a risk to the spacecraft and crew of deep-space exploration missions. We present compact tracking calorimeters made from scintillating-plastic fibers and silicon photomultipliers that can determine the charge and energy of individual cosmic-ray nuclei with energies in the MeV-to-GeV range. [...]
2025 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1082 (2026) 170982
In : 17th Vienna Conference on Instrumentation (VCI2025), Vienna, Austria, 17 - 21 Feb 2025, pp.170982

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Results for prompt dark sector mediators from ATLAS / Franchellucci, Stefano (Universite de Geneve (CH))
The presence of a non-baryonic Dark Matter (DM) component in the Universe is motivated from the observation of its gravitational interaction. [...]
ATL-PHYS-PROC-2025-060. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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Search for new physics in final states with semi-visible jets or anomalous signatures using the ATLAS detector / Park, Ki Ryeong (Columbia University (US)) /ATLAS Collaboration
A search is presented for hadronic signatures of beyond the Standard Model (BSM) physics, with an emphasis on signatures of a strongly-coupled hidden dark sector accessed via resonant production of a Z' mediator using 140fb-1 of Run-2 pp collision data at 13 TeV. The Z' mediator is considered to decay to two dark quarks, each of which then hadronizes and decays to showers containing both dark and Standard Model particles, producing a topology of interacting and non-interacting particles within a jet known as "semi-visible". [...]
ATL-PHYS-SLIDE-2025-412.- Geneva : CERN, 2025 - 14 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : The 32nd International Symposium on Lepton Photon Interactions at High Energies (Lepton Photon 2025), Madison, Wisconsin, Us, 25 - 29 Aug 2025

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Corfu2025 Workshop on the Standard Model and Beyond - Corfu2025 SM and Beyond 24 Aug - 3 Sep 2025 - Corfu, Gr .-
2025

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OPEN-PHO-LIFE-2025-013
© 2025 CERN

Centre for Dark Matter IdeaSquare Planet programme
Centre for Dark Matter and Swinburne University of [...]
31-07-2025

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A search for dark matter produced in association with a dark Higgs boson decaying into a Higgs boson pair in 3$b$ or 4$b$ final states using $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search is performed for dark matter particles produced in association with a resonant pair of Higgs bosons using 140 fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of 13 TeV recorded by the ATLAS detector at the Large Hadron Collider. [...]
CERN-EP-2025-141 ; arXiv:2507.02175. - 2025 - 48.
Fulltext - Previous draft version - Fulltext

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Long-Lived and Dark Matter Searches at ATLAS and CMS / Alpigiani, Cristiano (University of Washington (US)) /ATLAS Collaboration
Many theories beyond the Standard Model (BSM) have been proposed to address several of the Standard Model shortcomings, such as the origin of dark matter and neutrino masses, the fine-tuning of the Higgs Boson mass, or the observed pattern of masses and mixing angles in the quark and lepton sectors. Many of these BSM extensions predict new particles or interactions directly accessible at the LHC. [...]
ATL-PHYS-SLIDE-2025-225.- Geneva : CERN, 2025 - 30 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 59th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italia, 30 Mar - 6 Apr 2025

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Results for prompt dark sector mediators from ATLAS / Franchellucci, Stefano (Universite de Geneve (CH)) /ATLAS Collaboration
The presence of a non-baryonic Dark Matter (DM) component in the Universe is inferred from the observation of its gravitational interaction. If Dark Matter interacts weakly with the Standard Model (SM) it could be produced at the LHC. [...]
ATL-PHYS-SLIDE-2025-158.- Geneva : CERN, 2025 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 13th Edition of the Large Hadron Collider Physics Conference (LHCP2025), Taipei, Tw, 5 - 9 May 2025

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Dark Matter 2025: From the Smallest to the Largest Scales - DM2025 2 - 6 Jun 2025 - Santander, Es .-
2025

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10.

Exotics searches at ATLAS (prompt) / Rubio Jimenez, Adrian (Univ. of Valencia and CSIC (ES))
Despite the success of the Standard Model in predicting most of the phenomena observed in particle physics experiment, some observational evidences and theoretical inconsistencies motivate the search for exotic phenomena. [...]
ATL-PHYS-PROC-2025-010. - 2025 - 4.
Original Communication (restricted to ATLAS) - Full text

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