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2025-11-15
09:02
First measurement of antiproton cross-section in p-He collisions at the AMBER Experiment at CERN / Giordano, D (INFN, Turin) /AMBER Collaboration
One of the indirect detection methods of dark matter (DM) is based on the search of the products of DM annihilation or decay. They should appear as distortions in the gamma rays spectra and in the rare Cosmic Ray (CR) components, like antiprotons, positrons and antideuterons. [...]
2025 - 4 p. - Published in : Nuovo Cimento C 48 (2025) 198 Fulltext: PDF;
In : 110th Congresso Nazionale della Societa Italiana di Fisica (SIF 2024), Rome, Italy, 11-13 Sep 2024, pp.198

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2025-11-15
09:01
Status of the Geant4 models for nuclear de-excitation / Chalyi, Nikita (Tomsk State U.) ; Diederichs, Severin (CERN) ; Ivantchenko, Vladimir (Tomsk State U. ; CERN) /Geant4 hadronic working group Collaboration
The Geant4 hadronic physics sub-library includes an extended set of models for highand low-energy hadronic interactions. We report on recent developments in the Geant4 nuclear de-excitation module, which is used by many Geant4 models to simulate the de-excitation of nuclear recoils produced in nuclear reactions. [...]
2025 - 6 p. - Published in : EPJ Web Conf. 337 (2025) 01305 Fulltext: PDF;
In : 27th International Conference on Computing in High Energy & Nuclear Physics (CHEP2024), Kraków, Poland, 19 - 25 Oct 2024, pp.01305

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2025-11-15
09:01
CMS FlashSim: End-to-end simulation with Machine Learning / Rizzi, Andrea (Pisa U. ; INFN, Pisa) ; Vaselli, Francesco (Pisa, Scuola Normale Superiore ; INFN, Pisa) ; Cattafesta, Filippo (Pisa, Scuola Normale Superiore ; INFN, Pisa) ; Asenov, Patrick (Pisa U. ; INFN, Pisa) /CMS Collaboration
Detailed event simulation at the LHC is taking a large fraction of computing budget. CMS developed an end-to-end ML based simulation that can speed up the time for production of analysis samples of several orders of magnitude with a limited loss of accuracy. [...]
2025 - 12 p. - Published in : EPJ Web Conf. 337 (2025) 01014 Fulltext: PDF;
In : 27th International Conference on Computing in High Energy & Nuclear Physics (CHEP2024), Kraków, Poland, 19 - 25 Oct 2024, pp.01014

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2025-11-15
09:01
Prévessin Data Centre Powers Up / Dupuis, Max (CERN)
CERN’s state-of-the-art Prévessin Data Centre (PDC) is now operational, complementing CERN’s Meyrin Data Centre Tier-0 facility to provide additional and sustainable computing power to meet the needs of High-Luminosity LHC in 2029 (expected to be ten times greater than today). In 2019, it was decided to tender the design and construction of a new, modern, energy-efficient (PUE of ≤ 1.15) Data Centre with a total of 12 MW IT capacity spread across six IT rooms. [...]
2025 - 10 p. - Published in : EPJ Web Conf. 337 (2025) 01148 Fulltext: PDF;
In : 27th International Conference on Computing in High Energy & Nuclear Physics (CHEP2024), Kraków, Poland, 19 - 25 Oct 2024, pp.01148

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2025-11-15
09:01
Anomaly Detection in the CMS L1 Trigger / Quinnan, Melissa (UC, San Diego) /CMS Collaboration
We present the preparation, deployment, and testing of an autoen-coder trained for unbiased detection of new physics signatures in the CMS experiment Global Trigger (GT) test crate FPGAs during LHC Run 3. The GT makes the final decision whether to readout or discard the data from each LHC collision, which occur at a rate of 40 MHz, within a 50 ns latency. [...]
2025 - 6 p. - Published in : EPJ Web Conf. 337 (2025) 01032 Fulltext: PDF;
In : 27th International Conference on Computing in High Energy & Nuclear Physics (CHEP2024), Kraków, Poland, 19 - 25 Oct 2024, pp.01032

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2025-11-15
09:01
IDEA detector concept for FCC-ee / Al-Thakeel, Mahmoud (Bologna U. ; INFN, Bologna) /IDEA Collaboration
IDEA (the Innovative Detector for Electron-positron Accelerator) is a detector concept optimized for future circular lepton colliders. In particular, the proposed sub-detector technologies for the IDEA concept are discussed, along with their expected performance..
48 C (2025) 191.- 2025 - 4 p. - Published in : Nuovo Cimento C 48 (2025) 191 Fulltext: PDF; External link: Fulltext
In : 110th Congresso Nazionale della Societa Italiana di Fisica (SIF 2024), Rome, Italy, 11-13 Sep 2024, pp.191

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2025-11-15
09:01
$\text{EVENTSETPROCESSOR}$: An Engine for Efficiently Combining High-Energy Physics Data / de Geus, Florine Willemijn (CERN ; Twente U., Enschede) ; Padulano, Vincenzo Eduardo (CERN) ; Blomer, Jakob (CERN) ; Mühleisen, Hannes (Amsterdam, CWI) ; Varbanescu, Ana-Lucia (Twente U., Enschede)
CERN’s Large Hadron Collider (LHC), the world’s largest high-energy physics (HEP) instrument, collects tens of petabytes of data per year. The LHC’s next phase is expected to produce up to ten times more data, which calls for novel, more efficient ways of storing and processing these data.HEP collider data are prepared and provided to physicists as read-only data sets, stored in a custom columnar data format. [...]
2025 - 9 p. - Published in : 10.1109/eScience65000.2025.00020

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2025-11-15
09:01
Investigating the Dark Sector with the ATLAS experiment: Search for Dark Photons decaying into Lepton-Jets / Ricci, Bernardo (INFN, Trieste ; Udine U.) /ATLAS Collaboration
Many extensions of the Standard Model predict a weakly coupled Dark Sector, with the simplest case introducing a U (1) gauge group and a Dark Photon. In the so-called Higgs portal models, Higgs bosons produced in proton- proton collisions at the LHC are allowed to decay into Dark Sector particles, leading to final states with two Dark Photons that decay into collimated Standard Model particles [...]
2025 - 4 p. - Published in : Nuovo Cimento C 48 (2025) 201 Fulltext: PDF; External links: Fulltext; Fulltext
In : 110th Congresso Nazionale della Societa Italiana di Fisica (SIF 2024), Rome, Italy, 11-13 Sep 2024, pp.201

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2025-11-15
09:01
Full-cycle, noninvasive emittance monitoring with the beam gas curtain monitor at the LHC / BGC Collaboration
The large energy range and high intensity of current hadron accelerators, such as the Large Hadron Collider (LHC) and its planned high-luminosity upgrade, pose great challenges to beam measurements. The Beam Gas Curtain presents an accurate, minimally invasive profile monitor with a large energy range for high-intensity beams, by exploiting fluorescence from a supersonic gas jet interacting with the accelerator particle beam. [...]
2025 - 8 p. - Published in : Phys. Rev. Res. 7 (2025) 043144

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2025-11-15
09:01
Exploring Hybrid Designs for a 14 T Common Coil Demonstrator Magnet (DAISY) / García-Matos, Jesús Ángel (Madrid, CIEMAT ; Comillas Pontifical U.) ; Martins Jardim, Carla (Madrid, CIEMAT) ; Toral, Fernando (Madrid, CIEMAT) ; Perez, Juan Carlos (CERN) ; Todesco, Ezio (CERN)
Building on the initial magnetic design of DAISY, the 14 T common coil magnet demonstrator being developed at CIEMAT under the High Field Magnet (HFM) programme, this pa- per investigates the feasibility of hybrid designs combining Nb3Sn and NbTi for high- and low-field regions, respectively. The primary goal is to minimise superconductor usage while ensuring that the magnet meets the functional requirements of future collider appli- cations, such as the Future Circular Hadron Collider (FCC-hh). The study examines the potential to achieve accelerator-grade field quality without ancillary coils and to maintain minimal multi- pole variation between low and nominal currents, highlighting the trade-offs in superconductor efficiency. [...]
2026 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 36 (2026) 1-5 Fulltext: PDF; External link: Fulltext

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