CERN Accelerating science

CERN Published Articles

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2025-11-28
06:02
Searches for dark matter with the ATLAS detector / Pedro, Rute (LIP, Lisbon) /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 DM interacts weakly with Standard Model (SM) particles it could be produced at the LHC. [...]
2023 - 5 p. - Published in : SciPost Phys. Proc. 12 (2023) 048 Fulltext: PDF; External link: Fulltext
In : 14th International Workshop on the Identification of Dark Matter (IDM2022), Vienna, Austria, 18 - 22 Jul 2022, pp.048

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2025-11-28
06:02
Toward neutron / gamma discrimination with proportional counter using artificial intelligence / Kanj, Aya (Unlisted, FR) ; Babut, Richard (Unlisted, FR) ; Roux, Louis (CERN ; ILM, Lyon)
Extending the neutron detection capabilities of the ROSPEC SP2-1 proportional counter below 50 keV requires effective discrimination between neutron and gamma-ray signals at low energies. To address this challenge, we use a digital acquisition system, then apply signal processing and artificial intelligence techniques to analyze the data [...]
2025 - 4 p. - Published in : EPJ Web Conf. 338 (2025) 06013 Fulltext: PDF;
In : 9th International Conference on Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA 2025), Valencia, Spain, 9 - 13 June 2025, pp.06013

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2025-11-28
06:02
Reference measurements for indirect dark matter searches with p+C collisions at the NA61/SHINE experiment / Naskręt, Michał (Warsaw U. (main)) /NA61/SHINE Collaboration
NA61/SHINE is a large-acceptance fixed-target experiment located at the CERN SPS, which studies final hadronic states in interactions of various particles and nuclei. It is unique in terms of providing data on a variety of collision systems at different collision energies. [...]
2023 - 5 p. - Published in : SciPost Phys. Proc. 12 (2023) 068 Fulltext: PDF;
In : 14th International Workshop on the Identification of Dark Matter (IDM2022), Vienna, Austria, 18 - 22 Jul 2022, pp.068

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2025-11-28
06:02
Self-similar solutions for fuzzy dark matter / Galazo-Garcia, Raquel (U. Paris-Saclay) ; Brax, Philippe (U. Paris-Saclay ; CERN) ; Valageas, Patrick (U. Paris-Saclay)
Self-similar solutions for fuzzy dark matter are very different from their counterparts in the standard cold dark matter model. In contrast to the familiar hierarchical collapse of the current model for structure formation, they correspond to an inverse hierarchical blow-up. [...]
2023 - 6 p. - Published in : SciPost Phys. Proc. 12 (2023) 060 Fulltext: PDF;
In : 14th International Workshop on the Identification of Dark Matter (IDM2022), Vienna, Austria, 18 - 22 Jul 2022, pp.060

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2025-11-28
06:02
Dark matter or millisecond pulsars? A deep learning-based analysis of the Fermi Galactic Centre Excess / List, Florian (U. Vienna (main) ; U. Sydney (main)) ; Rodd, Nicholas L (CERN) ; Lewis, Geraint F (U. Sydney (main))
The $\gamma$-ray Galactic Centre Excess (GCE) remains one of the few observed high-energy signals for which a dark matter (DM) origin is a plausible explanation. We present a deep learning-based analysis of the $\gamma$-ray sky in the Galactic Centre region, carefully accounting for the mathematical degeneracy between faint point-sources (PSs) such as millisecond pulsars (MSPs) and DM-like Poisson emission. [...]
2023 - 9 p. - Published in : SciPost Phys. Proc. 12 (2023) 034 Fulltext: PDF; External link: Fulltext
In : 14th International Workshop on the Identification of Dark Matter (IDM2022), Vienna, Austria, 18 - 22 Jul 2022, pp.034

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2025-11-28
06:02
Radiation protection challenges in the upgrade, autopsy and disposal of the LHC beam dump / Infantino, Angelo (CERN) ; Bernardes, Ana-Paula (CERN) ; Calviani, Marco (CERN) ; Dumont, Gerald (CERN) ; El-Idrissi, Safouane (CERN) ; Mouret, Renaud (CERN) ; Tromel, Christophe (CERN) ; Vincke, Heinz (CERN)
The upgrade of the Large Hadron Collider spare beam dumps (Target Dump External, TDE) and the autopsy of the old operational TDE required to perform several activities in a high-radiation environment posing significant radiation protection challenges due to the residual activation of the equipment. To ensure high safety standards and to respect the ALARA principle, these challenges were addressed using the advanced Monte Carlo techniques to predict the residual ambient dose equivalent rate and the radionuclide inventory at different steps of the interventions. [...]
2023 - 9 p. - Published in : Radiat. Prot. Dosim.

In : 6th European Congress on Radiation Protection (IRPA 2022), Budapest, Hungary, 30 May - 3 Jun 2022, pp.891-899

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2025-11-28
06:02
Radiation protection challenges for the Large Hadron Collider upgrade / Elie, Lucie (CERN) ; Dyrcz, Patrycja (CERN) ; Infantino, Angelo (CERN) ; Tromel, Christophe (CERN) ; Vincke, Heinz (CERN)
In the context of the so-called Long Shutdown 3 (2026–2028), the Large Hadron Collider will be upgraded to the High-Luminosity Large Hadron Collider, allowing for approximately five more instantaneous collisions. The upgrade, maintenance and decommissioning of equipment will be mainly performed in the experimental insertions of Points 1 and 5, requiring to perform multiple interventions in high-residual radiation environment. [...]
2023 - 11 p. - Published in : Radiat. Prot. Dosim.

In : 6th European Congress on Radiation Protection (IRPA 2022), Budapest, Hungary, 30 May - 3 Jun 2022, pp.900-910

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2025-11-28
06:02
Operational radiation protection challenges for the LHC experiments / Bozzato, Davide (CERN ; KIT, Karlsruhe) ; Froeschl, Robert (CERN) ; Kouskoura, Vasiliki (CERN)
Radiation protection physicists at CERN are often required to assess residual activation for the Large Hadron Collider (LHC) experiments during stop periods in order to ensure adequate optimization during planned exposure situations and to establish proper procedures for the radiological control of materials. Given the complexity of the facilities and of the high-energy and mixed fields inducing the activation, Monte Carlo transport codes are an essential tool to simulate both prompt and residual radiation. [...]
2023 - 7 p. - Published in : Radiat. Prot. Dosim.

In : 6th European Congress on Radiation Protection (IRPA 2022), Budapest, Hungary, 30 May - 3 Jun 2022, pp.785-791

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2025-11-26
13:07
High Energy Physics and the European Strategy / Giudice, Gian Francesco (CERN)
Some remarks about the outcome of the European Strategy for Particle Physics and the future of high-energy physics in Europe..
2023 - 7 p. - Published in : Springer Proc. Phys. 287 (2023) 267-273 Fulltext: PDF;
In : Bruno Touschek 100 Years: Memorial Symposium 2021, Rome, Italy, 02 - 04 Dec 2021, pp.267-273

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2025-11-26
13:06
Investigating initial state of heavy-ion collisions using $[p_{\text{T}}]$ fluctuations and $v_n-[p_{\text{T}}]$ correlations in ATLAS / Bold, Tomasz (UC, Irvine (main) ; CERN) /ATLAS Collaboration
This proceeding presents recent studies of event-wise mean transverse momentum, $[p_{\text{T}}]$ that can help differentiate the interplay between the effect of radial collectivity, random thermal motion and deformation in nuclear geometry. In addition, the Pearson Correlation Coefficient (PCC) between flow, $v_n$ and $[p_{\text{T}}]$, $\rho(v_n,[p_{\text{T}}])$, will be shown. [...]
2025 - 6 p. - Published in : EPJ Web Conf. 339 (2025) 03004 Fulltext: PDF;
In : 12th International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions, Nagasaki, Nagasaki, Jp, 22 - 27 Sep 2024, pp.03004

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