Modeling long-term collider performance
- Stanford Linear Accelerator Center, Menlo Park, CA (United States) Superconducting Super Collider Lab., Dallas, TX (United States)
A model for the SSC arcs is described with multipole lattice field errors agglomerated into 32 lattice points, and with first order lattice errors and modulation provided by discrete transfer elements. Numerical solutions for long term dynamic aperture studies are obtained by multipole kick-drift tracking. The CPU time required to track through one turn is minimal, and comparable to that required to implement a one-turn fifth-order Taylor series map. Comparisons with tracking results using a fine grained representation of the lattice are made, and found to be satisfactory. The effects of tune modulation are studied and can substantially degrade long-term dynamic aperture. The effects of small relativistic momentum corrections, usually neglected for the large momenta at the SSC, are shown to have negligible influence on tracking results. 5 refs., 7 figs.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States); Superconducting Super Collider Lab., Dallas, TX (United States)
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC03-76SF00515; AC35-89ER40486
- OSTI ID:
- 5402684
- Report Number(s):
- SLAC-TN-91-9; SSCL-N-760; ON: DE91016294
- Country of Publication:
- United States
- Language:
- English
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