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Parameter space for the magnetic design of Nested Magnets in the FCC-ee arc cell
/ Garcia Jaimes, Cristobal Miguel (Ecole Polytechnique, Lausanne, LPAP) ; Thabuis, Adrien (CERN) ; Auchmann, Bernhard (PSI, SLS) ; Kosse, Jaap (PSI, SLS) ; van Riesen-Haupt, Léon (Ecole Polytechnique, Lausanne, LPAP) ; Koratzinos, Michael (CERN) ; Seidel, Mike (Ecole Polytechnique, Lausanne, LPAP) ; Tomas, Rogelio (CERN) ; Pieloni, Tatiana (Ecole Polytechnique, Lausanne, LPAP)
The Future Circular Collider (FCC-ee) is designed to explore the Z and W± bosons, along with the Higgs boson and top quark, achieving exceptionally high luminosity. In order to minimize the energy lost per turn due to Synchrotron Radiation (SR) we explore the use of Nested Magnets (NMs) into the arcs cell. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) WEPR11
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPR11
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The PSI positron production project
/ Vallis, Nicolas (PSI, Villigen ; Ecole Polytechnique, Lausanne) ; Craievich, Paolo (PSI, Villigen) ; Schaer, Mattia (PSI, Villigen) ; Zennaro, Riccardo (PSI, Villigen) ; Auchmann, Bernhard (PSI, Villigen) ; Besana, Maria Ilaria (PSI, Villigen) ; Duda, Michal (PSI, Villigen) ; Fortunati, Reto (PSI, Villigen) ; Garcia Rodrigues, Henrique (PSI, Villigen) ; Hauenstein, Dominique (PSI, Villigen) et al.
The PSI Positron Production experiment, known as $\text{P}^{3}$ or $\textit{P-cubed}$, is a proof-of-principle positron source and capture system that can greatly improve the state-of-the-art positron yield. The $\text{P}^{3}$ project is led by the Paul Scherrer Institute in Switzerland, and addresses the long-standing challenge faced by conventional injector facilities to generate, capture, and damp the emittance of high-current positron beam, which is a major limiting factor for the feasibility of future electron-positron colliders. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) TUPC50
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUPC50
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Interim report for the International Muon Collider Collaboration
/ Accettura, C.
The International Muon Collider Collaboration (IMCC) [1] was established in 2020 following the recommendations of the European Strategy for Particle Physics (ESPP) and the implementation of the European Strategy for Particle Physics-Accelerator R&D Roadmap by the Laboratory Directors Group [2], [...]
arXiv:2407.12450 ; CERN-2024-002
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Geneva : CERN, 2024-09-30 - 150.
(CERN Yellow Reports: Monographs ; 2/2024)
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e-book
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Magnets for a Muon Collider—Needs and Plans
/ Bottura, L (CERN) ; Accettura, C (CERN) ; Amemiya, N (Kyoto U.) ; Auchmann, B (PSI, Villigen) ; Berg, J S (Brookhaven Natl. Lab.) ; Bersani, A (INFN, Genoa) ; Bertarelli, A (CERN) ; Boattini, F (CERN) ; Bordini, B (CERN) ; Borges de Sousa, P (CERN) et al.
We describe the magnet challenges for a Muon Collider, an exciting option considered for the future of particle physics at the energy frontier. Starting from the comprehensive work performed by the US Muon Accelerator Program, we have reviewed the performance specifications dictated by beam physics and the operating conditions to satisfy the accelerator needs. [...]
2024 - 8 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 1-8
Fulltext: PDF;
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Assessment of Training Performance, Degradation and Robustness of Paraffin-Wax Impregnated Nb3Sn Demonstrator Under High Magnetic Field
/ Araujo, D M (PSI, Villigen) ; Auchmann, B (PSI, Villigen ; CERN) ; Brem, A (PSI, Villigen) ; Daly, M (PSI, Villigen) ; Hug, C (PSI, Villigen) ; Michlmayr, T (PSI, Villigen) ; Amm, K (Brookhaven Natl. Lab.) ; Anerella, M (Brookhaven Natl. Lab.) ; Yahia, A Ben (Brookhaven Natl. Lab.) ; Cozzolino, J (Brookhaven Natl. Lab.) et al.
In the context of high-energy physics, the use of Nb3Sn superconducting magnets as a cost-effective and reliable technology depends on improvements in the following areas: long development and manufacturing cycles, conductor degradation after thermal cycling, long training, as well as a demonstration in accelerator magnets with a beam aperture of the full potential of modern Nb3Sn conductors. In short, performance, robustness, and cost are the three issues to be addressed. [...]
2024 - 8 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 7000208
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Subscale Stress-Managed Common Coil Design
/ Araujo, D M (PSI, Villigen) ; Auchmann, B (PSI, Villigen ; CERN) ; Brem, A (PSI, Villigen) ; Daly, M (PSI, Villigen) ; Michlmayr, T (PSI, Villigen) ; Müller, C (PSI, Villigen) ; Garcia-Rodrigues, H (PSI, Villigen) ; Sotnikov, D (PSI, Villigen) ; Milanese, A (CERN)
In the context of the High-Field Magnet (HFM) Programme, hosted at CERN, and the Swiss Accelerator Research and Technology (CHART) Initiative, hosted at PSI, the Magnet Development (MagDev) project aims to contribute to the Future Circular Collider (FCC) studies through, among others: (i) research on enabling technologies and (ii) high-field Low Temperature superconducting (LTS) and High Temperature Superconducting (HTS) magnets. After a first experience with the CD1 magnet, a Canted-Cosine-Theta (CCT) Nb3Sn demonstrator, a roadmap has been established with milestones ranging from enabling technologies tested in powered samples and coils, to ultimate-field and hybrid LTS/HTS short magnets. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4003905
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Efficient Reduced Magnetic Vector Potential Formulation for the Magnetic Field Simulation of Accelerator Magnets
/ D'Angelo, Laura A.M. (Darmstadt, Tech. U.) ; Moll, Dominik (Darmstadt, Tech. U.) ; Vitrano, Andrea (CERN) ; Marsic, Nicolas (Darmstadt, Tech. U.) ; Schnaubelt, Erik (Darmstadt, Tech. U. ; CERN) ; Wozniak, Mariusz (CERN) ; De Gersem, Herbert (Darmstadt, Tech. U.) ; Auchmann, Bernhard (PSI, Villigen)
The major advantage of reduced magnetic vector potential formulations (RMVPs) is that complicated coil structures do not need to be resolved by a computational mesh. Instead, they are modeled by thin wires, whose source field is included into the simulation model along Biot-Savart's law. [...]
arXiv:2309.02004.-
2024-03 - 8 p.
- Published in : IEEE Trans. Magn. 60 (2024) 7000808
Fulltext: PDF;
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Test Results From CD1 Short CCT Nb-Sn Dipole Demonstrator and Considerations About CCT Technology for the FCC-Hh Main Dipole
/ Auchmann, B (PSI, Villigen ; CERN) ; Araujo, D M (PSI, Villigen) ; Brem, A (PSI, Villigen) ; Daly, M (PSI, Villigen) ; Felder, R (PSI, Villigen) ; Feuvrier, J (CERN) ; Hug, C (PSI, Villigen) ; Kirby, O (PSI, Villigen) ; Mangiarotti, F (CERN) ; Milanese, A (CERN) et al.
In this article, we attempt to summarize the 5-year long involvement of PSI through the CHART MagDev program with R&D; on the Canted Cosine Theta (CCT) technology as a candidate for an FCC-hh main dipole magnet. We present the test results of the Canted Dipole 1 (CD1) 1-m-long 10-T Nb$_{3}$Sn demonstrator magnet, as well as a subjective list of ‘pros and cons' of CCT for the FCC-hh that we compiled along the way. [...]
2024 - 6 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4000906
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