Author: Owen, H.L.
Paper Title Page
TUPIK036 Use of Laser Wakefield Accelerators as Injectors for Compact Storage Rings 1760
 
  • K.A. Dewhurst, H.L. Owen
    UMAN, Manchester, United Kingdom
  • B.D. Muratori
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire, United Kingdom
  • B.D. Muratori
    Cockcroft Institute, Warrington, Cheshire, United Kingdom
 
  Funding: This work is funded by the STFC (Science and Technology Facilities Council).
Compact storage rings require a compact acceleration solution. We propose the use of a laser wakefield accelerator (LWFA) as an injector for compact electron storage rings to produce synchrotron radiation. In particular, we study the injection of 0.7 GeV and 3 GeV electrons into the DIAMOND storage ring and consider implications for future storage ring design. Whilst laser-based acceleration is well-known as a driver for future electron-positron colliders and future free-electron lasers, here we propose it is also advantageous to provide electrons for 3rd-generation storage rings. The electron beams produced by LWFAs have a naturally very small emittance around 1 nm and moderate energy spread of a few percent. Combining these beam parameters with the compact size of a LWFA makes them highly favourable compared to traditional linac or booster synchrotron injector chains.chains.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-TUPIK036  
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THPVA134 Coupled Longitudinal and Transverse Beam Dynamics Studies for Hadron Therapy Linacs 4772
 
  • R. Apsimon, G. Burt, S. Pitman
    Cockcroft Institute, Lancaster University, Lancaster, United Kingdom
  • A.F. Green, H.L. Owen
    UMAN, Manchester, United Kingdom
 
  Precise proton therapy planning can be assisted by augmenting conventional medical imaging techniques with proton computed tomography (pCT). For adults this requires an incident proton energy up to at least 330 MeV, an energy not readily accessible using cyclotrons. We are presently constructing a prototype of the ProBE 54 MV/m 3GHz post-cyclotron booster linac as a compact method to achieve 330 MeV in the context of the Christie Hospital proton therapy centre, to be tested in the research room there. In this paper, we present beam dynamics studies and tracking simulations of proton beams through the booster region. The longitudinal and transverse particle transmission is calculated from tracking simulations and compared to theoretical models to help understand how best to optimise the optics design through the ProBE region.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-THPVA134  
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THPVA135 ProBE: Proton Boosting Extension for Imaging and Therapy 4776
 
  • S. Pitman, R. Apsimon, G. Burt
    Cockcroft Institute, Lancaster University, Lancaster, United Kingdom
  • A.F. Green, H.L. Owen
    UMAN, Manchester, United Kingdom
  • A. Grudiev, A. Solodko, W. Wuensch
    CERN, Geneva, Switzerland
 
  Funding: This work was funded by STFC
The ProBE linac aims at accelerating protons from a particle therapy cyclotron to the c.330 MeV required for proton tomography. To obtain the c. 55 MV/m gradients required to achieve 100 MeV gain in a suitably short distance, we propose the use of a high-gradient S-band side-coupled standing-wave structure. In this paper we discuss the progress toward the testing of the prototype at the S-box facility at CERN.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-THPVA135  
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THPVA140 Superconducting Gantry Design for Proton Tomography 4795
 
  • E. Oponowicz, H.L. Owen
    UMAN, Manchester, United Kingdom
 
  Precise proton therapy planning can be assisted by augmenting conventional medical imaging techniques with proton computed tomography (pCT). For adults this requires an incident proton energy up to around 330 MeV, requiring superconducting magnets if an imaging gantry is to replace a conventional 230-250 MeV gantry in the same space. Here we present optics considerations for a superconducting gantry to deliver 330 MeV protons within the context of the future Christie Hospital proton therapy centre, where it is proposed to increase the proton energy in the future with a booster linac.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-THPVA140  
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