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A conceptual design study of 200-GeV proton intersecting storage accelerators with room temperature magnets is presented. The key to this study was the desire to keep the electric power consumption to an acceptable level (40 MW). The design has been optimized by choosing small"gap {4 cm) aluminum coil dipolee operating at about 15 kG. The luminosity of this machine is 32 -2 -1 limited to about 10 cm sec by transverse space-charge effects. An order of magnitude higher luminosities can be obtained by adding a booster of modest cost. A novel vacuum system using distributed Ti-sublimation pumps results in considerable savings. A cost comparison with a high-luminosity superconducting machine is given.

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The general difficulties connected with the design of a matched insertion which has a free straight section with high X and low 0 H are discussed. A practical resolution of these problems is provided. A specific example of a matched symmetric insertion is presented. Some general aspects related to storage ring design are also considered. * Work performed under the auspices of the U.S. Atomic Energy Commission.