Author: Carver, L.R.
Paper Title Page
MOPJE081 Longitudinal Stability in Multi-Harmonic Accelerating Cavities 506
 
  • R.M. Jones, L.R. Carver
    UMAN, Manchester, United Kingdom
  • J.L. Hirshfield
    Yale University, Physics Department, New Haven, CT, USA
  • Y. Jiang
    Yale University, Beam Physics Laboratory, New Haven, Connecticut, USA
 
  Accelerating cavities that excite multiple modes at integer harmonics of the fundamental frequency can potentially be used to limit the effects of rf breakdown and pulsed surface heating at high accelerating gradients. Understanding the longitudinal stability and the acceptance of such a cavity is important to their development and use. The general Hamiltonian for longitudinal stability in multi harmonic cavities is derived and the particle dynamics are explored.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-MOPJE081  
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WEPWA046 Time Domain Simulations of Detuned Accelerating Cavities for Two Beam Applications 2605
 
  • R.M. Jones, L.R. Carver
    UMAN, Manchester, United Kingdom
 
  A multi-harmonic accelerating cavity that has its fundamental and harmonic mode frequency detuned away from the bunch repetition frequency could provide the basis for a beam driven wakefield accelerator with high transformer ratios. The excitation of multiple harmonic eigenmodes will allow high gradients to be achieved without encouraging the onset of rf breakdown or pulsed surface heating. This accelerating cavity will be introduced, and time domain simulations verifying the theory will be shown.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-WEPWA046  
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