Report documenting research and developments made by the Maritime Reactor Program of the Oak Ridge National Laboratory.

The structure and operation of cyclotrons are discussed. Factors limiting cyclotron size and energy are given. Improvements to the basic continuous-wave cyclotron are described, including frequency modulation, strong focusing, and variable-energy facilities.

Recent experience in instrumentation of several nuclear-physics experiments has demonstrated the feasibility of automating the data-acquisition phases of the experiment. Electronic circuits are employed wherever the rate of data flow would be slowed by the use of human operations. Information is selected, temporarily stored, and then recorded in a form suitable for immediate entry into a computer. Experimenters thus freed from the tedious aspects of data collection can devote their time to studying the results of the experiments. Potentially useful nuclear events are first selected by the fast-logic part of the instrumentation. Circuits performing simple logical functions are packaged in modular form for easy grouping into particular coincidence, gating, and mixing configurations. Circuits with slower response times are used for temporary storage and recording operations. Automatic test routines are used to initially align the equipment as well as provide continuous calibration during the experiments. Some of the high-speed circuits are described as well as the methods used to incorporate them into a large counting system.

An engineering-scale demonstration of the Sulfex process indicated that semi-continuous decladding of unirradiated stainless steel-clad UO2 or U02ThO2 fuels is feasible.

This bibliography contains 145 references on radiation effects on aluminum, elastomers, and lubricants. Also included are references on radiation units and conversion factors. The bibliography is limited to the period 1950 through 1959, with the references arranged alphabetically by title in five categories. An author index is provided. Sources used in compiling this bibliography are: Abstracts of Classified Reports, Bibliographies of Interest to the Atomic Energy Program: Classified and Unclassified Versions, Monthly List of Bibliographies in the Atomic Energy Program. U.S.A.E.C. Technical Information Service Extension, Nuclear Science Abstracts.