Keyword: dipole
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WEPO007 The Design of a Superconducting Dipole Magnet Based on Tilted Solenoids superconducting-magnet, quadrupole, software, proton 214
 
  • L. Zhu
    HeFei CAS Ion Medical and Technical Devices, Hefei, Anhui, China, People’s Republic of China
  • J.S. Shen, Z. Wu
    ASIPP, Hefei, People’s Republic of China
  • J.S. Shen
    HFCIM, HeFei, People’s Republic of China
 
  As a core component of proton therapy equipment, the gantry can project the proton beam onto a tumor from different angles. The weight of the gantry with normal conducting magnets(mainly normal dipole magnets and quadrupole magnets) is usually more than 150 tons, which puts forward high requirements for the design, processing and fabrication. Thus, for the realization of light-weight gantry, this article puts forward a design of Canted-Cosine-Theta(CCT) superconducting magnet used on superconducting gantry. Since the superconducting CCT magnet can produce higher magnetic field, for the proton beam with the same magnetic stiffness, the deflection radius of the magnet can be significantly reduced, thus reducing the radius and volume of the gantry. The finite element analysis software and Biot-Savart principle were adopted in this article to establish the method of magnetic field calculation for CCT superconducting magnet, and MATLAB was used to simulation and validation of particle path, which finally realize the design of CCT superconducting magnet that is applied in gantry.  
poster icon Poster WEPO007 [6.541 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-CYCLOTRONS2022-WEPO007  
About • Received ※ 28 December 2022 — Revised ※ 12 January 2023 — Accepted ※ 01 February 2023 — Issue date ※ 10 July 2023
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THBO02 SAPT- A Synchrotron Based Proton Therapy proton, extraction, synchrotron, injection 278
 
  • M.Z. Zhang, D.M. Li
    SINAP, Shanghai, People’s Republic of China
  • Z.L. Chen, R. Li, Z.T. Zhao
    SARI-CAS, Pudong, Shanghai, People’s Republic of China
  • M. Gu, L.R. Shen
    SSRF, Shanghai, People’s Republic of China
 
  SAPT is a synchrotron based proton therapy which built in Shanghai, china. There are 4 treatment rooms and a main ring, a linac injector and the transport lines that between them. The main ring is a 24.6m long and 8 dipoles synchrotron. The synchrotron employees multi-turn injection and 3rd order extraction. The treatment rooms are ocular beam line, fixed beam line, 180 degree gantry beam line and 360 gantry beam line. Now, the first unit (fixed beam line, 180 degree gantry beam line) has finished the 3rd party testing and clinical trial, will open to patient treatment soon. the accelerator and beam lines will be described in this paper.  
slides icon Slides THBO02 [14.309 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-CYCLOTRONS2022-THBO02  
About • Received ※ 06 December 2022 — Revised ※ 11 February 2023 — Accepted ※ 13 February 2023 — Issue date ※ 05 March 2023
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