New Isotope Discovery: Borhium-260
by mitch on Jan 15 2008 (1670 Views)The discovery of a new isotope of Bohrium, by Nelson et al. (I’m a coauthor as well), was published yesterday in PRL. In total, 8 events of 260Bh were reported. Unfortunately, the new isotope is not long-lived enough to be of practical chemical interest. A summary of the decay properties is summarized in the Nuclear Trading Card format shown below.
The yellow color signifies the observation that it decays by alpha emission 100% of the time. The nuclide decays into 256Db, which is long-lived enough for chemistry, and the results taken with this paper and others updates the known decay properties of Dubnium-256. The updated trading card is below.
In this case the red signifies an ~30% electron capture branch. I hope you enjoy the announcement of a new member to the Bohrium family, and have fun with your new nuclear trading card.
Note 1: Link to article: Lightest Isotope of Bh Produced via the 209Bi(52Cr, n)260Bh Reaction
Note 2: Comments, if any, should be posted at the ACS-DNCT Blog
Mitch
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