An experimental nuclear physicist who coauthored the 1957 test of parity conservation in cobalt-60 beta decay. Its directional counting measurement depended on orienting the nuclei at very low temperature. As the sample warmed and orientation was lost, the asymmetry disappeared, linking the observed signal to the nuclear orientation.[ref]
Portrait of Raymond Webster Hayward
. External portrait linked by the National Institute of Standards and Technology institutional exhibit. Source. Articles by others on the same topic
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