Low energy ring lattice of the PEP-II asymmetric B-Factory
Conference
·
OSTI ID:64176
- Stanford Univ., CA (United States). Stanford Linear Accelerator Center
- Lawrence Berkeley Lab., CA (United States)
Developing a lattice that contains a very low beta value at the interaction point (IP) and has adequate dynamic aperture is one of the major challenges in designing the PEP-II asymmetric B-factory. For the Low Energy Ring (LER) the authors have studied several different chromatic correction schemes since the conceptual design report (CDR). Based on these studies, a hybrid solution with local and semi-local chromatic sextupoles has been selected as the new baseline lattice to replace the local scheme in the CDR. The new design simplifies the interaction region (IR) and reduces the number of sextupoles in the arcs. Arc sextupoles are paired at {pi} phase difference and are not interleaved. In this paper the authors describe the baseline lattice with the emphasis on the lattice changes made since the CDR.
- Research Organization:
- Lawrence Livermore National Lab., CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 64176
- Report Number(s):
- SLAC-PUB--95-6868; CONF-950512--78; ON: DE95012506
- Country of Publication:
- United States
- Language:
- English
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