Author: Fronk, T.T.
Paper Title Page
TUPOB26 Dynamics of Intense Beam in Quadrupole-Duodecapole Lattice Near Sixth Order Resonance 552
SUPO12   use link to see paper's listing under its alternate paper code  
 
  • Y.K. Batygin, T.T. Fronk
    LANL, Los Alamos, New Mexico, USA
  
  Funding: Work supported by US DOE under contract DE-AC52-06NA25396
The presence of duodecapole components in quadrupole focusing field results in excitation of sixth-order single-particle resonance if the phase advance of the particles transverse oscillation is close to 60 deg. This phenomenon results in intensification of beam losses. We present analytical and numerical treatment of particle dynamics in the vicinity of sixth-order resonance. The topology of resonance in phase space is analyzed. Beam emittance growth due to crossing of resonance islands is determined. Halo formation of intense beams in presence of resonance conditions is examined. 		 
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-NAPAC2016-TUPOB26  
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