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Optimization of mechanical robustness in the booster injection bumpers
/ Lackner, Friedrich (CERN) ; Atanasov, Miroslav (CERN) ; Balhan, Bruno (CERN) ; Baud, Cedric (CERN) ; Borburgh, Jan (CERN) ; M Walraven (Inholland U. Appl. Sci., Alkmaar)
During the Long Shutdown 2 (LS2) at CERN, the new Linac4 (L4) accelerator has been successfully connected to the PS Booster (PSB) to inject 160 MeV H− beam into the 4 superposed PSB rings. The horizontal displacement of the circulating beam during injection relies on 4 pulsed dipole magnets. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) THPM018
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPM018
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2.
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Test Results of the First Wax-Impregnated Nb-Ti Canted Cosine Theta Septum Magnet “SuShi”
/ Barna, D (Wigner RCP, Budapest) ; Brunner, K (Wigner RCP, Budapest) ; Borburgh, J (CERN) ; Atanasov, M (CERN) ; Lackner, F (CERN) ; Olvegård, M (Uppsala U.) ; Pepitone, K (Uppsala U.) ; Kern, Rocio Santiago (Uppsala U.) ; Svanberg, C (Uppsala U.) ; Bagni, T (Uppsala U.)
In the framework of the future circular collider study, a new septum magnet concept (“SuShi”) has been developed, and a prototype was built at Wigner RCP, and tested at the FREIA facility of Uppsala University. The concept uses a canted cosine theta (CCT)-like superconducting magnet and a passive superconducting shield to create a zero-field and high-field region within its aperture. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4003105
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3.
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Training-free performance of the wax-impregnated SuShi septum magnet
/ Barna, D (Wigner RCP, Budapest) ; Brunner, K (Wigner RCP, Budapest) ; Novák, M (Wigner RCP, Budapest) ; Borburgh, J (CERN) ; Atanasov, M (CERN) ; Lackner, F (CERN) ; Olvegård, M (Uppsala U.) ; Pepitone, K (Uppsala U.) ; Santiago Kern, R (Uppsala U.) ; Svanberg, C (Uppsala U.) et al.
In the framework of the Future Circular Collider Study a new septum magnet concept, nicknamed ‘SuShi’ has been developed, and a prototype was built at Wigner Research Center for Physics, and tested at the FREIA facility of Uppsala University in April 2023. The concept uses a canted cosine theta (CCT)-like superconducting magnet and a passive superconducting shield to create a zero-field and high-field region within its aperture. [...]
2024 - 12 p.
- Published in : Supercond. Sci. Technol. 37 (2024) 045006
Fulltext: PDF;
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4.
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Design optimization of the water-cooled coil for the LEIR extraction septum
/ Lackner, Friedrich (CERN) ; Balhan, Bruno (CERN) ; Motschmann, Fritz (CERN) ; Borburgh, Jan (CERN) ; Atanasov, Miroslav (CERN) ; Masson, Thierry (CERN) ; Erends, Vera (Utrecht U.)
A pulsed septum magnet (SMH40) is used for heavy ion extraction from the Low Energy Ion Ring (LEIR). A non-conformity on the coil cooling circuit made it necessary to consolidate the design of the septum blade and related manufacturing process. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) THPM019
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPM019
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5.
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Protection of extraction septa during asynchronous beam dumps in HL-LHC operation
/ Farina, E (CERN) ; Atanasov, M (CERN) ; Borburgh, J (CERN) ; Bracco, C (CERN) ; Dutheil, Y (CERN) ; Lechner, A (CERN) ; Maestre, J (CERN) ; Muñoz, P Andreu (CERN) ; Nuiry, F X (CERN) ; Schwarz, P (CERN) et al.
The LHC beam dump system was developed to safely and reliably dispose of the LHC beams at the end of physics fills or in case of emergency aborts. The beams are extracted by means of kicker magnets, deflecting the beams horizontally, and septa, which provide a vertical kick. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) MOPA100
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.MOPA100
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6.
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Beam Optics Modelling Through Fringe Fields During Injection and Extraction at the CERN Proton Synchrotron
/ Johnson, Eliott (CERN) ; Atanasov, Miroslav (CERN) ; Dutheil, Yann (CERN) ; Fraser, Matthew (CERN) ; Oponowicz, Ewa (CERN)
As the beam is injected and extracted from the CERN Proton Synchrotron, it passes through the fringing magnetic fields of the main bending units (MUs). In this study, tracking simulations using field maps created from a 3D magnetic model of the MUs are compared to beam based measurements made through the fast injection and slow extraction regions. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 511-514
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.511-514
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7.
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Feasibility Study for the Novel CERN PS Fast Extraction Septum
/ Helseth, Trygve (CERN) ; Atanasov, Miroslav G (CERN) ; Balhan, Bruno (CERN) ; Borburgh, Jan (CERN) ; Ducimetière, Laurent (CERN) ; Fraser, Matthew A (CERN) ; Kramer, Thomas (CERN)
In the framework of accelerator consolidation, a feasibility study for a novel CERN PS extraction septum has been conducted. Functional requirements have been established and, accordingly, a system of two septa magnets and their associated pulse generator is proposed. [...]
Geneva : JACoW, 2021 - 4 p.
- Published in : JACoW IPAC 2021 (2021) 2363-2366
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.2363-2366
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8.
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The Superconducting Shield (SuShi) Septum Magnet Prototype
/ Barna, D (Wigner RCP, Budapest ; Miskolc U.) ; Borburgh, J (CERN) ; Atanasov, M (CERN) ; Kirby, G (CERN) ; Giunchi, G (Unlisted, IT) ; Kárpáti, V (Miskolc U.) ; Szűcs, M (Miskolc U.) ; Szabó, G (Miskolc U.) ; Mertinger, V (Miskolc U.)
The Future Circular Collider proton-proton ring would require a high-field septum magnet with a blade as thin as possible for the extraction of the 50 TeV proton beam from the ring. One of the two baseline concepts in the conceptual design report is the “superconducting shield” (nicknamed as SuShi) septum, utilizing a zero field cooled, passive superconducting shield in order to create a zero-field channel for the circulating beam inside the bore of a 3 Tesla canted cosine theta (CCT) type superconducting magnet. [...]
2022 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4000505
In : 27th International Conference on Magnet Technology (MT-27), Fukuoka, Japan, 15 - 19 Nov 2021, pp.4000505
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9.
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10.
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An MgB- Superconducting Shield Prototype for the Future Circular Collider Septum Magnet
/ Barna, Daniel (Wigner RCP, Budapest ; CERN) ; Giunchi, Giovanni (Edison SpA, Milan) ; Novák, Martin (Wigner RCP, Budapest) ; Brunner, Kristof (Wigner RCP, Budapest) ; Német, Aniko (Wigner RCP, Budapest) ; Petrone, Carlo (CERN) ; Atanasov, Miroslav (CERN) ; Bajas, Hugues (CERN) ; Feuvrier, Jerome (CERN)
A passive superconducting shield was previously proposed to realize a high-field (above 3 T) septum magnet for the Future Circular Collider proton–proton ring (FCC-hh). This paper presents the experimental results of a potential shield material, MgB$_2$, at a temperature of 4.2 K. [...]
2019 - 10 p.
- Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4101310
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