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Urban, J.T.

Paper Title Page
RPPP025 CESR-c Wiggler Studies in the Context of the International Linear Collider Damping Rings 1880
 
  • J.T. Urban, G. Dugan
    Cornell University, Laboratory for Elementary-Particle Physics, Ithaca, New York
 
  Funding: Work supported by the NSF.

We present a picture of the International Linear Collider (ILC) damping ring wiggler dynamics using the experience gained from the experimental and simulation-based research studying the wigglers used in the current configuration of the Cornell Electron Storage Ring (CESR). CESR is currently running at 1.8 GeV with 12 superconducting wigglers that have been designed, fabricated, tested, and simulated on-site. We will present results which include frequency map analyses and conventional dynamic aperture studies of CESR-c and the ILC damping rings. We will also provide results from an initial look at physical limitations in the design of the ILC damping ring wigglers.

 
RPPP026 Linear Accelerator Simulations with BMAD 1937
 
  • J.T. Urban, L.J. Fields, D. Sagan
    Cornell University, Laboratory for Elementary-Particle Physics, Ithaca, New York
 
  Funding: Work supported by the U.S. DOE.

BMAD is a subroutine library for simulating relativistic charged-particle dynamics. It has been used extensively as a diagnostic tool at the Cornell Electron Storage Ring (CESR). The BMAD libraries have recently been extended to include modeling of the dynamics of linear accelerators. Calculations of emittance dilution due to orbit offsets and misalignments have been compared with LIAR, Merlin and PLACET, and good agreement is found with both particle and macroparticle tracking through the NLC and Tesla lattices for the bunch compressor, main linac and final focus regions.