A nuclear physicist who authored guidelines for evaluating measured nuclear-structure data. The evaluator's task is to reconcile measurements into an internally consistent set of energy levels, nuclear spins, parities and transition properties, while distinguishing a firm assignment from a tentative one. Such work makes a nuclear-data table an assessed physical model rather than a list of unexamined measurements.[ref]
Guidelines for Nuclear Structure Evaluators by Murray J. Martin. Sections on adopted levels, spin/parity arguments and electromagnetic transition strengths
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