2025-06-26
07:56 |
First studies of crystal collimation for the FCC-ee
/ Broggi, G (Rome U. ; CERN ; Frascati) ; Abramov, A (CERN) ; Boscolo, M (Frascati) ; Bruce, R (CERN) ; Mirarchi, D (CERN) ; Redaelli, S (CERN)
The Future Circular electron–positron Collider (FCC-ee) is being designed to push the energy and luminosity frontiers for lepton colliders. This requires managing unprecedented intensities of lepton beams, with stored beam energies up to 17.5 MJ. [...]
2025 - 6 p.
Fulltext: PDF;
In : 10th International Conference on Charged & Neutral Particles Channeling Phenomena (Channeling 2024), Riccione, Italy, 8 - 13 Sept 2024, pp.170479
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2025-06-25
11:46 |
The hadron collider FCC-hh : Extended conceptual design report
/ Schulte, Daniel (CERN)
/FCC Collaboration
This document provides a detailed account of several studies regarding the design ofthe FCC-hh hadron collider that have been performed in the time period between 2019and 2021. They extend and complement the studies reported in the conceptual designreport submitted to the 2019 Update of the European Strategy for Particle Physics..
CERN-2025-006.-
Geneva : CERN, 2025 - 253 p.
CERN Yellow Reports: Monographs, 6/2025
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2025-06-25
06:00 |
Numerical and experimental investigation of AC losses in MgB$_{2}$ wires
/ Soldati, L (Genoa U.) ; Dular, J (CERN) ; Kovac, J (Bratislava, Electrotech. Inst.) ; Kovac, P (Bratislava, Electrotech. Inst.) ; Cialone, M (Genoa U.) ; Spina, T (ASG Supercond., Genova) ; Bruzek, C-E (ASG Supercond., Genova) ; Wozniak, M (CERN) ; Putti, M (Genoa U. ; Unlisted, IT) ; Breschi, M (Bologna U.)
The efficacy of MgB$_{2}$-based cables for DC power transmission applications is well-established due to several advantageous properties such as the natural abundance and cost-effectiveness of precursor powders and the innate compatibility with liquid hydrogen, which has a boiling point of 20 K. Notably, MgB$_{2}$ has a critical temperature $T_\mathrm{c}$ of 39 K. [...]
2025 - 19 p.
- Published in : Supercond. Sci. Technol. 38 (2025) 065019
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2025-06-25
06:00 |
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2025-06-25
06:00 |
Cryogenic options for future accelerators: case study for the Muon Collider ring
/ Borges De Sousa, P (CERN) ; Naydenov, B (CERN) ; Delprat, L (CERN) ; Koettig, T (CERN) ; Van Weelderen, R (CERN)
Future, multi-km particle accelerator projects will be under heavy scrutiny to be energetically sustainable. Compared to previous accelerators, these machines must sustain increasingly high beam-induced, static, and dynamic heat loads per meter length. [...]
2025 - 6 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng.: 1327 (2025) , no. 1, pp. 012109
Fulltext: PDF;
In : 26th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2024, Geneva, Switzerland, 22 - 26 July 2024, pp.012109
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2025-06-25
06:00 |
Design Margin Comparison of a Sextupole-in-Solenoid and a Closed-Loop-Coil Type Nb-Ti Superconducting ECR Magnets
/ Yang, Ye (LBNL, Berkeley) ; Ferracin, Paolo (LBNL, Berkeley) ; Troitiño, Jose Ferradás (CERN) ; Juchno, Mariusz (LBNL, Berkeley) ; Benitez, Janilee (LBNL, Berkeley) ; Todd, Damon (LBNL, Berkeley) ; Xu, Lianrong (LBNL, Berkeley) ; Duran, Jaime Cruz (LBNL, Berkeley) ; Arbelaez, Diego (LBNL, Berkeley) ; Shen, Tengming (LBNL, Berkeley) et al.
Third-generation electron cyclotron resonance ion sources (ECRISs) have relied on a combination of sextupole and solenoid fields from Nb-Ti superconductors to produce the magnetic fields required for 28 GHz operation. The VENUS ion source at Lawrence Berkeley National Laboratory (LBNL) was the first third-generation ion source optimized for 28 GHz operation, and since that time a similar design has been adopted at other heavy-ion facilities such as RIKEN, GANIL and FRIB. [...]
2025 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4100605
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2025-06-18
06:02 |
Assessing the origin of the LHC beam halo
/ Rakic, Milica (CERN ; Ecole Polytechnique, Lausanne) ; Hermes, Pascal (CERN) ; Redaelli, Stefano (CERN) ; Butti, Daniele (CERN) ; Mirarchi, Daniele (CERN) ; Roncarolo, Federico (CERN) ; Bartosik, Hannes (CERN) ; Hostettler, Michi (CERN) ; Kostoglou, Sofia (CERN) ; Seidel, Mike (PSI, Villigen)
Measurements of the transverse beam-halo population at large amplitudes in the Large Hadron Collider (LHC) provide crucial insights into the stored beam energy near the LHC collimators. These particles do not contribute significantly to the luminosity but their loss could impose limitations on accelerator performance through sudden loss spikes or even collimator damage in case of fast beam failures. [...]
2025 - 4 p.
- Published in : 10.18429/JACoW-IPAC25-THAN1
Fulltext: PDF; External link: Fulltext
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.2430-2433
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2025-06-18
06:02 |
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2025-06-14
06:01 |
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Space Charge in Circular Machines
/ Ferrario, Massimo (U. Rome La Sapienza (main) ; Frascati) ; Migliorati, Mauro (Frascati ; U. Rome La Sapienza (main)) ; Palumbo, Luigi (U. Rome La Sapienza (main) ; Frascati)
Space charge forces, which arise directly from the beam's charge distribution and include the influence of image charges and currents induced by interactions with a perfectly conducting, smooth pipe, are very important in high-intensity, low-energy accelerators. [...]
arXiv:2505.14091.
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2025 - 22.
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2025-06-14
06:01 |
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