Optical Properties of Quadrupole Multiplets for Sector Focusing in the Two-Mile Accelerator
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Previous studies of focusing systems for the two-mile accelerator were based on a system of quadrupoles with 40-ft spacing. Tight alignment tolerances imposed by the 40-ft system prompted a study of the properties of a system of quadrupole multiplets (closely grouped doublets or triplets) with 330-ft spacing. The properties of an idealized system of equally spaced converging lenses are described, providing a good approximation of the behavior of multiplets. Properties of closely grouped and spaced doublets and triplets are then derived. Numerical examples are given for all cases, and the transformation matrices are given in a form general enough to be applied to problems involving special lenses with tapered spacings and to misalignment and perturbation problems. Tables display switchyard transport admittances for several final beam energies and various quadrupole specifications. (D.C.W.)
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Organization:
- US Atomic Energy Commission (AEC); USDOE
- DOE Contract Number:
- AC02-76SF00515
- NSA Number:
- NSA-17-019421
- OSTI ID:
- 4736429
- Report Number(s):
- SLAC-14; SLAC-R--014
- Country of Publication:
- United States
- Language:
- English
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