Author: Ovsyannikov, D.A.
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TUCBMH03
 Numerical Analysis of Single Particle Dynamics in PMS Trap with Oscillating Dipole Field  
 
  • A.D. Ovsyannikov
    St. Petersburg State University, St. Petersburg, Russia
  • M.K. Eseev
    NAFU, Arkhangelsk, Russia
  • I.N. Meshkov
    JINR, Dubna, Moscow Region, Russia
  • D.A. Ovsyannikov
    Saint Petersburg State University, Saint Petersburg, Russia
  
  The dynamics of charged particles in Penning-Malmberg-Surko (PMS) trap with oscillating dipole electric field is considered. Numerical algorithm describing the charged particle dynamics and the envelope of the stored particle bunch in a trap with electro-magnetic field is developed and used. The stability of charged particle motion is analyzed. The results are applied to the case of the PMS trap with rotating electric field. An example of optimization of the PMS trap parameters is presented.  
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TUPSA11 Development of a Software Complex for Modeling, Analyzing and Optimization the Dynamics of Charged Particle Beams in Synchrotrons and Transport Channels 167
 
  • D.A. Ovsyannikov, V.V. Altsybeyev, V.A. Kozynchenko
    Saint Petersburg State University, Saint Petersburg, Russia
  
  The paper considers a new version of the software complex developed for modeling, analyzing and optimization the transverse dynamics of charged particle beams in synchrotrons and transport channels. Considered code provides the calculation of transverse dynamics of the charged particle beam in synchrotrons and transport channels based on the linear model, as well as the calculation of the structural functions of synchrotrons and transport channels, the beam acceptance and emittance, beam dynamics optimization. In the new version of the software complex, the ability to carry out calculations on a remote computing cluster, the web user interface. To store the results of calculating the beam dynamics, a database is used.

 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-TUPSA11  
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WEPSB12 Acceleration of the Multicharged Ions with Different A/Z Ratios in Single RFQ Channel without Magnetic Field Focusing 308
 
  • D.A. Ovsyannikov, V.V. Altsybeyev
    St. Petersburg State University, St. Petersburg, Russia
  • A.P. Durkin
    Saint Petersburg State University, Saint Petersburg, Russia
  • Y.A. Svistunov
    NIIEFA, St. Petersburg, Russia
  
  There are considered acceleration of few types multicharged ions with different A/Z ratio in single accelerating RFQ channel without outer focusing magnetic field. RFQ may be independent accelerator or as part of injection system into DTL of high energy. There are considered compact RFQ with high operating frequency (for example frequencis of P-diapason). So magnetic focusing is absent mathematical methods of control theory are used for optimization of RFQ vane geometry to obtain exit beam parameters suitable for further acceleration. It is possible separate acceleration a few type of ions in single RFQ channel or simultaneous acceleration if (case of heavy ions) ion currents are very small.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-WEPSB12  
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