Author: Apsimon, R.
Paper Title Page
TUPJE059 Modeling of an Electron Injector for the AWAKE Project 1762
 
  • Ö. Mete, G.X. Xia
    UMAN, Manchester, United Kingdom
  • R. Apsimon, G. Burt
    Cockcroft Institute, Lancaster University, Lancaster, United Kingdom
  • S. Döbert
    CERN, Geneva, Switzerland
  • R.B. Fiorito
    The University of Liverpool, Liverpool, United Kingdom
  • C.P. Welsch
    Cockcroft Institute, Warrington, Cheshire, United Kingdom
  
  Funding: Cockcroft Institute Core Grant
Particle in cell simulations were performed to characterise an electron injector for AWAKE project in order to provide a tuneable electron beam within a range of specifications required by the plasma wakefield experiments. Tolerances and errors were investigated. These results are presented in this paper alongside with the investigation regarding the beam dynamics implications of the 3GHz travelling wave structure developed for the injector. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-TUPJE059  
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WEPHA057 High Gradient Testing of an X-band Crab Cavity at XBox2 3242
 
  • B.J. Woolley, P.K. Ambattu, R. Apsimon, G. Burt, A.C. Dexter
    Cockcroft Institute, Lancaster University, Lancaster, United Kingdom
  • A. Grudiev, I. Syratchev, R. Wegner, B.J. Woolley, W. Wuensch
    CERN, Geneva, Switzerland
  
  CERN’s Compact linear collider (CLIC) will require crab cavities to align the bunches to provide effective head-on collisions. An X-band quasi-TM11 deflecting cavity has been designed and manufactured for testing at CERN’s Xbox-2 high power standalone test stand. The cavity is currently under test and has reached an input power level in excess of 40MW, with a measured breakdown rate of better than 10-5 breakdowns per pulse. This paper also describes surface field quantities which are important in assessing the expected BDR when designing high gradient structures.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-WEPHA057  
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THPF084 ProTec - A Normal-conducting Cyclinac for Proton Therapy Research and Radioisotope Production 3883
 
  • R. Apsimon, G. Burt, S. Pitman
    Cockcroft Institute, Lancaster University, Lancaster, United Kingdom
  • A. Degiovanni
    CERN, Geneva, Switzerland
  • J.A. Mitchell
    Lancaster University, Lancaster, United Kingdom
  • H.L. Owen
    UMAN, Manchester, United Kingdom
  
  The ProTec cyclinac proposes the use of a 24 MeV high-current cyclotron to inject protons into a normal-conducting linac pulsed at up to 1 kHz to give energies up to 150 MeV. As well as being able to produce radioisotopes such as 99mTc, the cyclinac can also provide protons at higher energy with beam properties relevant for proton therapy research. In this paper we present a comparison of linac designs in which S-band structures are used at lower energies, prior to injection into a high-gradient X-band structure; issues such as beam capture and transmission are evaluated.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-THPF084  
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