2025-05-30 16:00 |
Efficient Field Map Generation for the SHiP Muon Shield Optimization
/ Liebsch, Melvin (CERN)
/SHiP Collaboration
The design of the SHiP Muon shield requires the evaluation of realistic, three dimensional field maps in normal and superconducting magnets within the optimization loop. The Sn∞.py python package provides a lightweight 3D FEM solver based on the reduced vector potential formulation. [...]
CERN-SHiP-INT-2025-003.-
Geneva : CERN, 2025
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2025-05-29 08:37 |
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2025-05-29 08:37 |
Hardware design of a high-current, high step-down ratio Series Capacitor Buck converter prototype for slow-ramped powering of High-Luminosity Large Hadron Collider inner triplet superconducting electromagnets
/ Otero-Olavarrieta, Alberto (Basque U., Bilbao) ; Matallana, Asier (Basque U., Bilbao) ; Martínez de Alegría, Iñigo (Basque U., Bilbao) ; Ibarra, Edorta (Basque U., Bilbao) ; Arias, Antoni (Barcelona, Polytechnic U.) ; de Mallac, Louis (CERN) ; Pittet, Serge (CERN)
In this work, the main hardware design aspects of a slow-ramped DC/DC power converter prototype, developed to feed superconducting inner triplet (IT) electromagnets for the High Luminosity (HL) upgrade of the Large Hadron Collider (LHC), is presented. The proposal comprises a two-quadrant multiphase interleaved converter, based on the Series Capacitor Buck architecture, which operates at very high-current and high step-down ratio conditions. [...]
2024 - 19 p.
- Published in : Appl. Energy 371 (2024) 123730
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2025-05-29 08:37 |
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2025-05-28 07:13 |
GENERALIZATION OF C++-BASED DSP SOFTWARE FOR VOLTAGE SOURCE REGULATION AND CONTROL OF DIVERSE POWER CONVERTERS IN PARTICLE ACCELERATORS
/ Pinillos Zamorano, Nagore (CERN) ; de Mallac, Louis (CERN) ; Zielinski, Dariusz Jakub (CERN) ; Ibarra Basabe, Edorta (Basque U., Bilbao) ; Pittet, Serge (CERN) ; Murillo Garcia, Raul (CERN) ; Martinez de Alegria, Iñigo (Basque U., Bilbao)
Large particle accelerator facilities such as the one at The European Organization for Nuclear Research (CERN) are good examples of complex systems where a large variety of switched power converters coexist to feed the acceleration systems. Over the years, the low-level voltage source regulation software has evolved in a decentralized manner, making it repetitive and difficult to test, debug and maintain. [...]
2025 - 15 p.
- Published in : DYNA 100 (2025) 137-144
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2025-05-27 07:14 |
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2025-05-27 07:14 |
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Energy Recovery LINACs -- an Overview
/ Arnold, Michaela (Darmstadt, Tech. U.)
The seminar on energy recovery linacs (ERLs) is giving an overview of the field: How does an ERL work? What have been important milestones in ERL history? What are the reasons to use an ERL instead of a conventional accelerator? As examples of the landscape of machines, ranging from ancient ERLs up to future projects, this chapter will give results of the runs from CBETA (USA) and S-DALINAC (Germany). [...]
arXiv:2504.20665.
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2025 - 13.
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2025-05-23 06:58 |
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2025-05-23 06:58 |
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2025-05-22 06:29 |
The HEARTS EU Project and Its Initial Results on Fragmented High-Energy Heavy-Ion Single-Event Effects Testing
/ García Alía, Rubén (CERN) ; Waets, Andreas (CERN ; Zurich U.) ; Coronetti, Andrea (CERN ; IES, Montpellier) ; Bilko, Kacper (CERN ; Jean Monnet U.) ; Delrieux, Marc (CERN) ; Emriskova, Natalia (CERN) ; Esposito, Luigi (CERN) ; Fraser, Matthew (CERN) ; Johnson, Eliott (CERN) ; Klimek, Karolina (CERN) et al.
We perform single-event effect (SEE) tests with well-characterized fully fragmented (i.e., beyond Bragg peak) high-energy heavy-ion beams and compare the results with those expected from conventional, mono-linear energy transfer (mono-LET) measurements, showing a satisfactory level of agreement between the two. This compliance paves the way for the exploitation of simulation tools for accurately quantifying the ion fragmentation impact on SEE rates for both ground-level testing conditions and space galactic cosmic-ray (GCR) environments, with electronics operating behind significant thicknesses of shielding. [...]
2025 - 10 p.
- Published in : IEEE Trans. Nucl. Sci. 72 (2025) 1040-1049
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