Abstract
Compilation, evaluation and dissemination of nuclear data are arduous tasks that rely on contributions from experts in both the basic and applied sciences communities whose efforts are coordinated by the International Atomic Energy Agency (IAEA). The Evaluated Nuclear Structure Data File (ENSDF) includes the most extensive and comprehensive set of nuclear structure and decay data evaluations performed by the international network of Nuclear Structure and Decay Data evaluators (NSDD) under the auspices of the IAEA. In this report we describe the recent NSDD activities supported by the IAEA and provide some future perspectives.
Highlights
Nuclear structure and decay data are important data for a wide range of applications, from the basic nuclear sciences to other fields such as medicine, reactor design and operation, geophysics, environmental sciences, radiation safety and materials sciences
The Evaluated Nuclear Structure Data File (ENSDF) [1] is a collection of recommended data on nuclear structure properties such as decay modes, level energies and lifetimes, and radiation properties for all known nuclides. These data are evaluated and maintained by an international group of experts who form the international network of Nuclear Structure and Decay Data evaluators (NSDD) [2]
The network is under the auspices of the International Atomic Energy Agency (IAEA) since 1974
Summary
Nuclear structure and decay data are important data for a wide range of applications, from the basic nuclear sciences to other fields such as medicine, reactor design and operation, geophysics, environmental sciences, radiation safety and materials sciences. The Evaluated Nuclear Structure Data File (ENSDF) [1] is a collection of recommended data on nuclear structure properties such as decay modes, level energies and lifetimes, and radiation properties for all known nuclides. The ENSDF database uses information on atomic masses (Q values) from the Atomic Mass Evaluation project [5] which was originally lead by CSNSM, Orsay, France and is the responsibility of the Institute of Modern Physics, Lanzhou, China. Other data such as charge radii and nuclear moments are often obtained from corresponding horizontal compilations and/or evaluations performed outside the network. Some recent developments in the network activities and useful online tools are described
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