Abstract
A system for the measurement of correlated energies and times-of-flight of fission fragments has been developed. This system, adaptable for use with other charged particles as well, includes a fast-response transformer coupling scheme in which the charge originating in a solid-state detector passes through the transformer primary to a low noise charge-sensitive amplifier; the fast timing signal is obtained from the transformer secondary. Noise thereby added to the linear energy signal is negligible. The measured time resolution of the system for particles in a narrow band of energies was ≲0.4 nsec, full-width at half-maximum. The design of the system is described, and the detailed results of performance tests, including tests with coincident 252Cf spontaneous fission fragments and energy-time correlation measurements for bromine and iodine ions (artificial fission fragments), are given.
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