SLAC-PUB-9825 PEP-II Alignment *

Abstract

The PEP-II Asymmetric B-factory consists of two independent storage rings, one located atop the other in the 2200m-circumference PEP tunnel. The high-energy ring, which stores a 9-GeV electron beam, is an upgrade of the existing PEP collider. It reutilizes all of the PEP magnets and incorporates a state-of-the-art copper vacuu