Third-order corrections to the SLC final focus
- 30 December 2002
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
Abstract
The minimum /spl beta/ achievable at the interaction point (/spl beta/*) with the current design of the SLC final focus is limited to /spl sim/5 mm by third order optical aberrations, most notably the U/sub 1266/ and U/sub 3466/ terms (using the notation of K. Brown). A new lattice is presented which effectively zeros these terms. The remaining third order terms which accrue from the interleaved sextupole pairs in the chromatic correction section (CCS) can be cancelled by the inclusion of five octupoles (two in the CCS, and three in the final telescope). The resulting final focus system is corrected to third order for any usable range of /spl beta/* (given the constraints on the beam divergence at the interaction point). The potential luminosity obtainable from such a system is also presented.Keywords
This publication has 4 references indexed in Scilit:
- Global tuning knobs for the SLC final focusPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2002
- Analysis of higher order optical aberrations in the SLC final focus using Lie algebra techniquesPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2002
- Flat beam studies in the SLC LinacPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2002
- Disruption effects from the interaction of roundbeamsPhysical Review D, 1988