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Design and analysis of a HTS internally cooled cable for the Muon Collider target and capture solenoid magnets
/ Bottura, L. (CERN) ; Accettura, C. (CERN) ; Kolehmainen, A. (CERN) ; Lorenzo Gomez, J. (Fusion for Energy, Barcelona) ; Portone, A. (Fusion for Energy, Barcelona) ; Testoni, P. (Fusion for Energy, Barcelona)
The Muon Collider is one of the options considered as the next step in High Energy Physics. It bears many challenges, last not least in superconducting magnet technology. [...]
arXiv:2410.16779; CRYOGENICS-D-23-00163R2.-
2024-10-23 - 13 p.
- Published in : Cryogenics 144 (2024) 103972
Fulltext: 2410.16779 - PDF; Publication - PDF;
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Conceptual design of the HTS split coil test facility for the Muon Collider cooling section
/ Scarantino, G (U. Rome La Sapienza (main) ; LASA, Segrate) ; Accettura, C (CERN) ; Baggi, B (Milan U.) ; Batia, D (Milan U.) ; Bottura, L (CERN) ; Bordini, B (CERN) ; Castoldi, M (LASA, Segrate) ; Elisei, M (LASA, Segrate ; Milan, Polytech.) ; Giordano, G (LASA, Segrate ; Milan, Polytech.) ; Giove, D (LASA, Segrate) et al.
The cooling section of the Muon Collider requires a number of solenoidal coils of various diameters (0.05-2 m) and fields (2-60 T). An unusual feature of the cooling section is that the RF cavities operates under the large magnetic fields and field gradients generated by the focusing elements. [...]
2024 - 3 p.
- Published in : JACoW IPAC 2024 (2024) WEPR38
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPR38
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Specifications and Status of the New Electron Cooler for the CERN Antiproton Decelerator (AD)
/ Rossi, Adriana (CERN) ; Accettura, Carlotta (CERN) ; Andreazza, William (CERN) ; Bollazzi, Alessio (CERN) ; Cenede, Jean (CERN) ; Chritin, Nicolas (CERN) ; Coutron, Yannick (CERN) ; Ferreira Somoza, Jose (CERN) ; Frassier, Alexandre (CERN) ; Gamba, Davide (CERN) et al.
A new electron cooler for the Antiproton Decelerator (AD) is being designed at CERN, and will replace the current device (in operation for more than 40 years), during the next Long Shutdown (2026-2028). The functional specifications [ref. [...]
2024 - 6 p.
- Published in : JACoW COOL 2023 (2024) 5-10
Fulltext: PDF;
In : 14th International Workshop on Beam Cooling and Related Topics (COOL '23), Montreux, Switzerland, 8 - 13 Oct 2023, pp.5-10
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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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6.
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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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Conceptual Design of a Target and Capture Channel for a Muon Collider
/ Accettura, C (CERN) ; Bottura, L (CERN) ; Calviani, M (CERN) ; Calzolari, D (CERN) ; Ximenes, R Franqueira (CERN) ; Kolehmainen, A (CERN) ; Lechner, A (CERN) ; Gomez, J Lorenzo (Fusion for Energy, Barcelona) ; Portone, A (Fusion for Energy, Barcelona) ; Esteban, F J Saura (CERN) et al.
The “target and capture channel” is one of the crucial systems in a Muon Collider, whose function is to create an intense muon beam from the decay of the pions generated by a multi-MW proton beam impinging on a particle-producing target. To guarantee the capture of the pions and resulting muons, the channel consists of a sequence of solenoids, providing a well-defined profile on axis, with 20 T peak at the target location and an adiabatic decrease along the channel length. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4101705
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Beam-beam long range compensator mechanical demonstrator
/ Sito, Leonardo (CERN ; Naples U.) ; Rossi, Adriana (CERN) ; Bertarelli, Alessandro (CERN) ; Accettura, Carlotta (CERN) ; Carra, Federico (CERN) ; Motschmann, Fritz (CERN) ; Sterbini, Guido (CERN) ; Guardia Valenzuela, J (CERN) ; Gentini, Luca (CERN) ; Garlaschè, Marco (CERN) et al.
Beam-Beam Long-Range Compensators employing current-carrying wires are considered as valuable options in hadron colliders to increase dynamic aperture at small crossing angles. This paper presents a simple design proposal for application at CERN LHC. [...]
2023 - 3 p.
- Published in : JACoW IPAC 2023 (2023) THPM015
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPM015
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Beam-Impact Validation of HL-LHC Collimator Materials: the "MultiMat-2" Experiment
/ Carra, F (CERN) ; Accettura, C (CERN) ; Bertarelli, A (CERN) ; Berthomé, E (CERN) ; Bruce, R (CERN) ; Charitonidis, N (CERN) ; Dalemir, M (CERN) ; Farina, E (CERN) ; Guardia-Valenzuela, J (CERN) ; Guinchard, M (CERN) et al.
In 2017, a proton-impact test HL-LHC collimator materials was carried out in the HiRadMat facility at CERN. The experiment, called “MultiMat”, enabled the testing of bulk and coated materials developed at CERN for different beam collimation functionalities. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) WEPM109
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.WEPM109
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