Cyclotron Techniques for Radiation Damage Studies

Abstract
This report describes the methods and equipment developed for the irradiation of materials under controlled conditions on the 60-inch Berkeley cyclotron. Descriptions are given of the components of equipment for use in the temperature range from −195°C to 2000°C. These include target boxes which accurately locate the specimens to be irradiated in the cyclotron beam, a cold helium circulating system which is used to cool targets to about −195°C, and a servo temperature controller which automatically regulates the temperature of targets. Typical targets are described along with the conditions of irradiation. The method of determining the spatial distribution of the irradiation intensity is also given.

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