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IMPACTS OF STRONGLY CURVED MAGNETIC MULTIPOLES ON COMPACT SYNCHROTRON DYNAMICS
/ Norman, H X Q (University of Manchester, Manchester, UK and Cockcroft Institute, Warrington, UK and University of Melbourne, Melbourne, Australia) ; Appleby, R B (Univrsity of Manchester, Manchester, UK and Cockcroft Institute, Warrington, UK) ; Sheehy, S L (Australian Nuclear Science and Technology Organisation (ANSTO), Australia) ; Benedetto, Elena (SEEIIST Association (CH))
Superconducting curved magnets can reduce accelerator footprints by producing strong fields (>3 T) for applications such as carbon ion therapy, however the effect of strongly curved magnetic multipoles and fringe fields on accelerator beam dynamics is not fully understood. [...]
CERN-ACC-NOTE-2023-0009 ; CERN-NIMMS-015.
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2023. - 6 p.
Access to fulltext
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Slow Extraction Techniques from Fixed Field Accelerators
/ Taylor, R (Imperial Coll., London ; CERN) ; Steinberg, A F (Manchester U. ; Melbourne U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Pasternak, J (Imperial Coll., London) ; Appleby, R B (Manchester U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Sheehy, S L (Melbourne U. ; ANSTO, Menai) ; Benedetto, E (Unlisted, CH ; CERN)
Fixed Field Accelerators are a candidate for future hadron cancer therapy facilities as their high repetition rate and large energy acceptance enables novel treatment modalities such as high dose rate FLASH. However, conventional dose delivery mechanisms are still necessary, requiring continuous beam delivery over 1--30s. [...]
2023
- Published in : JACoW IPAC 2023 (2023) MOPL176
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.MOPL176
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Performance Study of the NIMMS Superconducting Compact Synchrotron for Ion Therapy with Strongly Curved Magnets
/ Norman, Hannah (U. Manchester (main)) ; Appleby, Robert (U. Manchester (main)) ; Benedetto, Elena (U. Geneva (main)) ; Karppinen, Mikko (CERN) ; Owen, Hywel (Daresbury) ; Sheehy, Suzanne (Melbourne U.)
Delivery of heavy ion therapy currently utilises normal conducting synchrotrons. For the future generation of clini- cal facilities, the accelerator footprint must be reduced while adopting beam intensities above 1 × 10¹⁰ particles per spill for more efficient, effective treatment. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 3014-3017
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.3014-3017
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Simulation Study of an LWFA-based Electron Injector for AWAKE Run 2
/ Williamson, Barney (Manchester U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Xia, Guoxing (Manchester U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Döbert, Steffen (CERN) ; Karsch, Stefan (Munich, Max Planck Inst. Quantenopt.) ; Muggli, Patric (CERN ; Munich, Max Planck Inst.)
The AWAKE experiment aims to demonstrate preservation of injected electron beam quality during acceleration in proton-driven plasma waves. The short bunch duration required to correctly load the wakefield is challenging to meet with the current electron injector system, given the space available to the beamline. [...]
arXiv:1712.00255.-
2018-02-06 - 4 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 909 (2018) 126-129
Fulltext: PDF;
In : 3rd European Advanced Accelerator Concepts Workshop, La Biodola, Isola d'Elba, Italy, 24 - 30 Sep 2017, pp.126-129
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Dispersion in closed, off-axis orbit bumps
/ Apsimon, R (Lancaster U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Esberg, J (CERN) ; Owen, H (Cockcroft Inst. Accel. Sci. Tech. ; Manchester U.)
In this paper we present a proof to show that there exists no system of linear or nonlinear optics which can simultaneously close multiple local orbit bumps and dispersion through a single beam transport region. The second combiner ring in the CLIC drive beam recombination system, CR2, is used as an example of where such conditions are necessary. [...]
2016 - 7 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 830 (2016) 88-94
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Modeling of an Electron Injector for the AWAKE Project
/ Mete, O. (Manchester U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Xia, G. (Manchester U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Apsimon, R. (Cockcroft Inst. Accel. Sci. Tech. ; Lancaster U.) ; Burt, G. (Cockcroft Inst. Accel. Sci. Tech. ; Lancaster U.) ; Doebert, S. (CERN) ; Fiorito, R. (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Welsch, C. (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.)
Particle-in-cell simulations were performed by using PARMELA to characterise an electron injector with a booster linac for the AWAKE project in order to provide the baseline specifications required by the plasma wakefield experiments. Tolerances and errors were investigated. [...]
arXiv:1505.02621; IPAC-2015-TUPJE059; CERN-ACC-2015-374.-
2015-06 - 3 p.
- Published in : 10.18429/JACoW-IPAC2015-TUPJE059
Fulltext: tupje059 - PDF; arXiv:1505.02621 - PDF; External link: Full-text at JACoW Server
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.TUPJE059
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Gas jet-based beam profile monitor for the electron beam test stand at CERN
/ Stringer, O (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Zhang, H (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Ady, M (CERN) ; Butti, D (CERN) ; Churchman, A R (CERN) ; Forck, P (Darmstadt, GSI) ; Kumar, N (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Lefevre, T (CERN) ; Mazzoni, S (CERN) ; Sameed, M (CERN) et al.
A non-invasive bidirectional beam profile monitor using beam-induced fluorescence upon a thin sheet of gas has been developed at the Cockcroft Institute in collaboration with CERN and GSI. This device is particularly suited to the Electron Beam Test Stand, and as such, a bespoke gas injection has been optimized for this specific use-case to provide diagnostics unavailable to conventional scintillator screens. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) WEPG18
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPG18
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