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Active dosimetry for VHEE FLASH radiotherapy using beam profile monitors and charge measurements
/ Rieker, Vilde F (CERN ; Oslo U.) ; Corsini, Roberto (CERN) ; Stapnes, Steinar (CERN) ; Adli, Erik (Oslo U.) ; Farabolini, Wilfrid (CERN) ; Grilj, Veljko (SUBATECH, Nantes) ; Sjobak, Kyrre N (Oslo U.) ; Wroe, Laurence M (CERN) ; Aksoy, Avni (CERN ; Ankara U.) ; Robertson, Cameron S (Oxford U.) et al.
The discovery of the FLASH effect has revealed a high potential for treating cancer more efficiently by sparing
healthy tissue. The surge in related medical research activities over the last couple of years has triggered a
demand for technology with the capability of generating and measuring ionizing radiation at ultra-high doserates (UHDR). [...]
2024 - 12 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1069 (2024) 169845
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CLIC Wake Field Monitor as a detuned Cavity Beam Position Monitor: Explanation of center offset between TE and TM channels in the TD26 structure
/ Sjobak, Kyrre Ness (Oslo U. ; CERN) ; Bursali, Hikmet (CERN ; U. Rome La Sapienza (main)) ; Gillardi, Antonio (CERN ; U. Naples (main)) ; Lillestøl, Reidar (Oslo U.) ; Farabolini, Wilfrid (CERN) ; Doebert, Steffen (CERN) ; Adli, Erik (Oslo U.) ; Lasheras, Nuria Catalan (CERN) ; Corsini, Roberto (CERN)
The Wake Field Monitor (WFM) system installed on the CLIC prototype accelerating structure in CERN Linear Accelerator for Research (CLEAR) has two channels for each horizontal/vertical plane, operating at different frequencies. [...]
arXiv:2307.06681.
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16 p.
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Updates, Status and Experiments of CLEAR, the CERN Linear Electron Accelerator for Research
/ Korysko, Pierre (Oxford U.) ; Bateman, Joseph (JAI, UK) ; Corsini, Roberto (CERN) ; Dosanjh, Manjit (CERN) ; Dyks, Luke (CERN) ; Farabolini, Wilfrid (IRFU, Saclay) ; Gilardi, Antonio (CERN) ; Rieker, Vilde (CERN) ; Robertson, Cameron (JAI, UK) ; Sjobak, Kyrre (Oslo U.)
The CERN Linear Accelerator for Research (CLEAR) at CERN is a test facility using a 200 MeV electron beam. In 2020 and 2021, a few hardware upgrades were done: comparators for position measurements were added on components, the in-air experimental area was re-arranged in order to provide more space, a robotic system was built to enable remote samples manipulations for irradiation studies, the BPM reading system was optimized and the laser double-bunch system implemented to allow for a doubling of the electron bunch frequency from 1.5 GHz to 3 GHz. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 3022-3025
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In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.3022-3025
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Status of the CLEAR User Facility at CERN and its Experiments
/ Corsini, Roberto (CERN) ; Dyks, L A (U. Oxford (main) ; CERN) ; Farabolini, Wilfrid (CERN) ; Korysko, Pierre (U. Oxford (main) ; CERN) ; Malyzhenkov, Alexander (CERN) ; Rieker, Vilde (CERN ; U. Oslo (main)) ; Sjobak, Kyrre (U. Oslo (main))
The CERN Linear Accelerator for Research (CLEAR) at CERN is a versatile user facility providing a 200 MeV electron beam for accelerator R&D;, irradiation studies for space, and medical applications. After successful operation in 2017-2020, CLEAR running was extended in 2021 for another 5-year period. [...]
2022 - 5 p.
- Published in : JACoW LINAC 2022 (2022) 753-757
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In : 31st Linear Accelerator Conference (LINAC22), Liverpool, UK, 28 Aug - 2 Sep 2022, pp.753-757
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An experimental study of focused very high energy electron beams for radiotherapy
/ Kokurewicz, Karolina (Glasgow U.) ; Brunetti, Enrico (Glasgow U.) ; Curcio, Alessandro (CERN) ; Gamba, Davide (CERN) ; Garolfi, Luca (CERN) ; Gilardi, Antonio (CERN ; U. Naples (main) ; INFN, Naples) ; Senes, Eugenio (CERN ; JAI, UK) ; Sjobak, Kyrre Ness (CERN ; U. Oslo (main)) ; Farabolini, Wilfrid (CERN ; U. Paris-Saclay) ; Corsini, Roberto (CERN) et al.
Very high energy electron (VHEE) beams have been proposed as an alternative radiotherapy
modality to megavoltage photons; they penetrate deeply without significant scattering in
inhomogeneous tissue because of their high relativistic inertia. However, the depth dose
distribution of a single, collimated VHEE beam is quasi-uniform, which can lead to healthy
tissue being overexposed. [...]
2021 - 7 p.
- Published in : Commun. Phys. 4 (2021) 33
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Consolidation and Future Upgrades to the CLEAR User Facility at CERN
/ Dyks, Luke A (JAI, UK ; CERN) ; Burrows, Philip N (JAI, UK) ; Corsini, Roberto (CERN) ; Curt, Stephane (CERN) ; Farabolini, Wilfrid (CERN) ; Gamba, Davide (CERN) ; Garolfi, Luca (CERN) ; Gilardi, Antonio (Naples U. ; CERN) ; Granados, Eduardo (CERN) ; Korysko, Pierre (JAI, UK ; CERN) et al.
The CERN Linear Electron Accelerator for Research (CLEAR) at CERN has been operating since 2017 as a dedicated user facility providing beams for a varied range of experiments. CLEAR consists of a 20 m long linear accelerator (linac), able to produce beams from a Cs₂Te photocathode and accelerate them to energies of between 60 MeV and 220 MeV. [...]
JACoW, 2021 - 4 p.
- Published in : JACoW IPAC2021 (2021) 2700-2703
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In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.2700-2703
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Status of VHEE Radiotherapy Related Studies at the CLEAR User Facility at CERN
/ Corsini, Roberto (CERN) ; Dyks, Luke (CERN ; Oxford U.) ; Farabolini, Wilfrid (CERN ; IRFU, Saclay) ; Gilardi, Antonio (CERN ; Naples U.) ; Korysko, Pierre (CERN ; Oxford U.) ; Sjobak, Kyrre (Oslo U.)
Despite the increase in interest in using Very High Energy Electron (VHEE) beams for cancer radiotherapy many unanswered questions in its development remain. The use of test facilities will be an essential tool used to solve these issues. [...]
2021 - 4 p.
- Published in : 10.18429/JACoW-IPAC2021-WEPAB044
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, Br, 24 - 28 May 2021, pp.2704
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Off-momentum cleaning simulations and measurements at the Large Hadron Collider
/ Garcia Morales, Hector (Royal Holloway, U. of London ; CERN) ; Bruce, Roderik (CERN) ; Redaelli, Stefano (CERN) ; Salvachua, Belen (CERN) ; Wretborn, Joel (CERN) ; Sjobak, Kyrre Ness (CERN ; Oslo U.)
The Large Hadron Collider is designed to collide proton beams with unprecedented energy in order to extend the frontiers of high-energy physics. Particles that have an energy different from the nominal one follow dispersive orbits and, if the energy offset is large enough, could be lost on the cold aperture and cause quenches of superconducting magnets. [...]
2021 - 14 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1010 (2021) 165494
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