How Well Do We Know the Basic Properties of Nuclei: Updates on the AME and NUBASE**

The systematic knowledge of fundamental nuclear physics properties, such as masses, half-lives, the existence of isomers and their excitation energies, spins, and decay branching ratios, is important for solving many puzzles in the forefront areas of nuclear physics research, and for understanding the origin of the elements in the universe. Accurate values for these properties and their uncertainties are also used in other scientific fields, including atomic and high-energy physics, chemistry as well as in many practical applications. There is a continuing demand for up-to-date and reliable evaluated nuclear data of these properties for all known nuclei in their ground and excited, isomeric states.

 

Work on the new Atomic Mass Evaluation (AME) and the evaluation of basic nuclear physics properties (NUBASE) is ongoing as a collaborative effort between scientists from China, Europe, and the USA. This presentation will provide an update on the content, procedures, and policies used in the production of the recommended data. The emphasis will be given on the impact of evaluated data on understanding properties of nuclei far from the line of stability that are relevant for astrophysics applications.