We present a detailed design for operation of the Cornell Electron Storage Ring, CESR, in the energy range covering the ψ resonances and the Charm and Tau thresholds, as well as reaching to the upper Y resonances near 11 GeV. The addition of 18 m of super-ferric wiggler magnets will partially restore low energy beam emittance and damping times. Installation of superconducting quadrupoles in the interaction region and the addition of high performance superconducting RF cavities will enhance performance at all energies. Studies of optics, beam dynamics, wiggler and vacuum system performance, beam stability, and beam-beam effects confirm operation with a luminosity of 3×10{sup}32 cm{sup}(-2)-sec{sup}(-1) at 1.88GeV.
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