Author: Kutsaev, S.V.
Paper Title Page
MO3I1 Developments towards a Compact Carbon Ion Linac for Cancer Therapy 14
 
  • B. Mustapha, D.A. Meyer, A. Nassiri, Y. Yang
    ANL, Lemont, Illinois, USA
  • R.B. Agustsson, A. Araujo, S.V. Kutsaev, A.Yu. Smirnov
    RadiaBeam, Santa Monica, California, USA
 
  Funding: This work was supported by the U.S. Department of Energy, Office of Nuclear Physics, under Contract No. DE-AC02-06CH11357 and Office of High Energy Physics SBIR/STTR Award DE-SC0015717.
Hadron ther­apy of­fers im­proved lo­cal­iza­tion of the dose to the tumor and much im­proved spar­ing of healthy tis­sues, com­pared to tra­di­tional X-ray ther­apy. Com­bined pro­ton/car­bon ther­apy can achieve the most pre­cise dose con­fine­ment to the tumor. More­over, re­cent stud­ies in­di­cated that adding FLASH ca­pa­bil­ity to such sys­tem may pro­vide sig­nif­i­cant break­through in can­cer treat­ment. The Ad­vanced Com­pact Car­bon Ion Linac (ACCIL) is a con­cep­tual de­sign for a com­pact ion linac based on high-gra­di­ent ac­cel­er­at­ing struc­tures op­er­at­ing in the S-band fre­quency range. Thanks to this in­no­va­tion, the foot­print of this ac­cel­er­a­tor is only 45 m, while its ca­pa­bil­i­ties are well be­yond the cur­rent state of the art for hadron ther­apy ma­chines and in­clude: op­er­a­tion up to 1000 pulses per sec­ond, pulse to pulse en­ergy vari­a­tion to treat mov­ing tu­mors in layer-by-layer regime. ACCIL is ca­pa­ble of ac­cel­er­at­ing all ions with mass-to-charge ratio A/q ~ 2 to a full en­ergy of 450 MeV/u, and that in­cludes pro­tons, he­lium, car­bon, oxy­gen and neon. With very short beam pulses of ~ 1 ’s and high in­stan­ta­neous dose de­liv­ery, ACCIL is ca­pa­ble of de­liv­er­ing FLASH-like doses (>100 Gy/sec) for most ion species. In close col­lab­o­ra­tion be­tween Ar­gonne and Ra­di­a­beam, we have de­vel­oped dif­fer­ent de­sign op­tions and pro­to­types of the high-gra­di­ent struc­tures needed for ACCIL. Fol­low­ing an overview of the ACCIL de­sign and its ca­pa­bil­i­ties, the most re­cent re­sults from the high-gra­di­ent struc­ture R&D and fu­ture plans will be pre­sented and dis­cussed.
 
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-HIAT2022-MO3I1  
About • Received ※ 27 June 2022 — Revised ※ 10 August 2022 — Accepted ※ 05 September 2022 — Issue date ※ 05 September 2022
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