CERN Accelerating science

Published Articles

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2026-02-25
06:55
EMP: a common infrastructure firmware framework for the CMS phase-2 upgrades / Adamidis, Kosmas (UCLA) ; Ardila-Perez, Luis (KIT, Karlsruhe, IPE) ; Bestintzanos, Ioannis (Ioannina U.) ; Cholak, Serhii (Boston U.) ; Fulcher, Jonathan (Boston U.) ; Hahn, Kristian (Northwestern U.) ; Howard, Alex (Imperial Coll., London) ; Iles, Gregory (Imperial Coll., London) ; Krause, Hendrik (KIT, Karlsruhe, IPE) ; Linacre, Jacob (Rutherford) et al.
In its phase-2 upgrades, all of the CMS experiment's off-detector electronics systems willbe replaced by ATCA boards featuring Xilinx UltraScale+ FPGAs and high-speedoptical modules. The various off-detector electronics systemshave different high-level purposes and I/O requirements, e.g. [...]
2026 - 7 p. - Published in : JINST 21 (2026) C02019 Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2025, Rethymno, Crete, Greece, 6 - 10 Oct 2025, pp.C02019

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2026-02-25
06:55
Observation of tt¯γγ production at s=13 TeV with the ATLAS detector /ATLAS Collaboration
This paper presents the first observation of top-quark pair production in association with two photons (tt¯γγ). The measurement is performed in the single-lepton decay channel using proton-proton collision data collected by the ATLAS detector at the Large Hadron Collider. [...]
2026 - Published in : Phys. Lett. B 874 (2026) 140195

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2026-02-25
06:55
High-Performance and Scalable Agent-Based Simulation with BioDynaMo / Breitwieser, Lukas (CERN) ; Hesam, Ahmad (Delft Tech. U.) ; Rademakers, Fons (CERN) ; Luna, Juan Gómez (ETH, Zurich (main)) ; Mutlu, Onur (ETH, Zurich (main))
Agent-based modeling plays an essential role in gaining insights into biology, sociology, economics, and other fields. However, many existing agent-based simulation platforms are not suitable for large-scale studies due to the low performance of the underlying simulation engines [...]
2023 - 15 p. - Published in : Phys. Teach. 61 (2023) 174-188 Fulltext: PDF;

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2026-02-25
06:55
Theoretical Model and Calibration of an Optical Fibre Dosimeter for the International Space Station / Francesca, Diego Di (CERN ; Jean Monnet U.) ; Balcon, Nicolas (CNES, Toulouse) ; Cheiney, Pierrick (Unlisted, FR) ; Chesta, Enrico (CERN) ; Clement, Florence (CNES, Toulouse) ; Girard, Sylvain (Jean Monnet U.) ; Mekki, Julien (CNES, Toulouse) ; Melin, Gilles (Unlisted, FR) ; Morana, Adriana (Jean Monnet U.) ; Roche, Martin (Jean Monnet U. ; CNES, Toulouse ; Unlisted, FR) et al.
This paper focuses on the theoretical model, qualification and calibration of an optical fibre dosimeter developed to measure extremely low radiation doses and deployed in the International Space Station in August 2021..
2022 - Published in : Tech. Dig. Ser. 57 (2022) Th4.23

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2026-02-24
04:14
IPPOG: a global network for particle physics outreach and education / IPPOG Collaboration
We present the International Particle Physics Outreach Group (IPPOG), a global network dedi- cated to connecting students, educators, and the general public with the world of particle physics. In this paper, we outline the need to bridge the existing gap between the particle physics community and the wider audience, and we present the solutions that IPPOG has implemented to overcome it through three pillar Activities: the International Masterclasses and the Global Cosmics hands-on activities network, which have engaged together over 200 000 high-school students to date, and the curation of an Outreach Resource Database and web portal..
arXiv:2509.17643.- 2026-02-17 - 6 p. - Published in : Eur. Phys. J. Plus 141 (2026) 177 Fulltext: document - PDF; 2509.17643 - PDF;

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2026-02-21
07:56
Anomaly detection approach for the search of high-mass diboson resonances in fully hadronic final states, using $pp$ collisions at $\sqrt{s}=13~ \text{TeV}$ with the ATLAS detector($^\ast$) / Norcia, Fabrizio (U. Naples (main)) /ATLAS Collaboration
After the discovery of the Higgs boson at CERN LHC in Geneva, significant attention has been devoted to the research of new high-mass diboson resonances. Machine Learning (ML) techniques, particularly those using anomaly detection, offer innovative and model-independent approaches to these searches [...]
2026 - 6 p. - Published in : Nuovo Cimento C 49 (2026) 38 Fulltext: PDF;
In : Incontri di Fisica delle Alte Energie, Cagliari, 9 - 11 April, pp.38

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2026-02-21
07:56
Searches for new physics produced in association to a top quark and missing transverse energy in final state / Argiento, B (INFN, Naples ; U. Naples (main)) /CMS Collaboration
Several Beyond Standard Model (BSM) theories predict final states containing top quarks produced in association with invisible particles, such as dark matter candidates, or through decays of heavy resonances like Vector-Like Quarks (VLQs). A common experimental signature among many BSM scenarios is the presence of third-generation quarks produced alongside invisible particles. [...]
2026 - 6 p. - Published in : Nuovo Cimento C 49 (2026) 29 Fulltext: PDF;
In : Incontri di Fisica delle Alte Energie, Cagliari, 9 - 11 April, pp.29

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2026-02-21
07:56
The LS3 Enhancement of the RICH detectors / Placinta, V M (Bucharest, IFIN-HH) /LHCb RICH Collaboration
The LHCb RICH readout electronic chain will undergo an upgrade during the LS3 Enhancements program to achieve fast timing for detected Cherenkov photons. The main component of the new readout architecture is a novel front-end application specific integrated circuit (ASIC), namely FastRICH, that was designed according to the LHCb RICH specifications. [...]
2026 - 3 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1086 (2026) 171384 Fulltext: PDF;

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2026-02-21
07:56
Recent results from SND@LHC($^\ast$) / Dallavalle, G M (INFN, Bologna) /SND@LHC Collaboration
SND@LHC is a new experiment at the LHC, designed to study laboratory-produced neutrinos in the unexplored TeV-energy range. It is installed 480 m from the proton-proton collision point IP1 in the secondary tunnel TI18, where only muons, neutrinos, and possible unknown feebly interacting particles arrive, forward emitted in the pseudo-rapidity range between 7.2 and 8.4. [...]
2026 - 5 p. - Published in : Nuovo Cimento C 49 (2026) 24 Fulltext: PDF;
In : Incontri di Fisica delle Alte Energie, Cagliari, 9 - 11 April, pp.24

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2026-02-21
07:56
The SHiP experiment at CERN($^\ast$) / Di Crescenzo, A (INFN, Naples ; Naples U.) /SHiP Collaboration
The SHiP experiment is a versatile facility operating at the intensity frontier at CERN, specifically designed to investigate physics beyond the Standard Model through the search for Feebly Interacting Particles (FIPs) in the GeV mass range. The experimental setup includes a multi-detector system capable of detecting both decay and scattering signatures associated with various FIP scenarios, such as dark-sector mediators, elastic and inelastic light dark matter candidates, and particles with fractional electric charge. [...]
2026 - 6 p. - Published in : Nuovo Cimento C 49 (2026) 49 Fulltext: PDF;
In : Incontri di Fisica delle Alte Energie, Cagliari, 9 - 11 April, pp.49

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