The Sixteenth Edition Is Now Available!

Continuing a half-century tradition, Knolls Atomic Power Laboratory (operated by Lockheed Martin) has published the 16th edition of its classic, "Chart of the Nuclides." Available in both Wallchart and Textbook versions, this document presents the key nuclear properties of every known stable and radioactive form of each element.

Evaluated nuclear data is given for about 3100 known nuclides and 580 known isomers in a format similar to a periodic table. The nuclides are arranged with atomic number Z (number of protons) along the vertical axis and neutron number N along the horizontal axis. For each nuclide the half-life, atomic mass, decay modes, relative abundances, nuclear cross-section, and other nuclear properties are detailed. Color coding is used to emphasize half-lives and neutron absorption properties.

The updated (2003) chart includes approximately 300 new nuclides and 100 new isomers not found in the 15th (1996) edition. There has been at least one change in more than 95% of the squares on the chart.

The Chart of the Nuclides and Isotopes is available as a 36" x 60" single sheet (known as a Wallchart) or a bound 88-page soft-cover book (known as a Textbook ). The Wallchart comes with a 48-page booklet of explanatory information. The explanatory information includes:

• A short history of the development of the periodic table.
• Detailed descriptions of the types of information given on the Chart
• A discussion of trends in stability and instability of nuclides on the Chart
• Unit conversion factors and values of fundamental physics constants

KAPL is operated for Naval Reactors Program of the Department of Energy by KAPL Inc., a wholly owned subsidiary of the Lockheed Martin Corporation. The Chart has been compiled, edited and periodically revised by Knolls Atomic Power Laboratory scientists since 1956.

The Chart is a "must have" document for students and professionals in nuclear physics, chemistry, engineering and medicine.

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