Element 106

We have produced element 106 by bombarding ${}_{}{}^{249}{}_{}{}^{}\mathrm{Cf}$ with ${}_{}{}^{18}{}_{}{}^{}\mathrm{O}$ ions accelerated by the SuperHILAC. The new nuclide ${}_{}{}^{263}{}_{}{}^{}106$, produced by the (${}_{}{}^{18}{}_{}{}^{}\mathrm{O}$, $4n$) reaction, is shown to decay by $\alpha$ emission with a half-life of 0.9±0.2 sec and a principal $\alpha$ energy of 9.06±0.04 MeV to the known nuclide ${}_{}{}^{259}{}_{}{}^{}\mathrm{Rf}$, which in turn is shown to decay to the known nuclide ${}_{}{}^{255}{}_{}{}^{}\mathrm{No}$.

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