DATABASE: Meet the Nuclear Family

Science  11 Jul 2003:
Vol. 301, Issue 5630, pp. 147e
DOI: 10.1126/science.301.5630.147e

Everyone has heard of carbon-12, the most abundant form of the element, and carbon-14, the isotope used to date artifacts and bones. But the carbon clan contains 13 other isotopes, from the scrawny carbon-8 to the mammoth carbon-22. Nuclear physicists and radiochemists who need data on these or other isotopes should try this handy Table of Nuclides hosted by the Brookhaven National Laboratory in New York, which characterizes isotopes for 111 elements. Whether you're interested in the common, long-lasting forms or the varieties that exist only briefly inside colliders, you can dig up data such as atomic mass, binding energy, abundance in nature, half-life, and type of decay.

www2.bnl.gov/ton

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