Darleane C. Hoffman
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Discovery of a 7. 6-hour high-spin isomer of einsteinium-256 Open
A 7.6-hour, beta-emitting isomer of /sup 256/Es has been produced via the (t,p) reaction by bombarding /sup 254g/Es with 16-MeV tritons. No evidence for an alpha branch was found. A number of gamma rays were observed, on the basis of which…
Spontaneous Fission Half-Lives for Ground-State NuclideThis work was supported in part by the U.S. Department of Energy under Contracts DE-AC02-76CH00016 and DE-AC03-76SF00098. Open
Measurements of the spontaneous fission half-lives of nuclides of elements Z = 82 through 109 have been compiled (cutoff date of April 1998) and evaluated. Recommended values are tabulated along with total half-lives.