Synthesis of a new element with atomic number Z = 117.

@article{Oganessian2010SynthesisOA,
  title={Synthesis of a new element with atomic number Z = 117.},
  author={Yu. Ts. Oganessian and F. S.-H. Abdullin and Porter D Bailey and Dennis Benker and Megan E. Bennett and Sergey N. Dmitriev and Julie G. Ezold and J. H. Hamilton and Roger A. Henderson and Mikhail G. Itkis and Yu. V. Lobanov and Andrey Mezentsev and Kenton J. Moody and S. L. Nelson and Alexandr N. Polyakov and C. E. Porter and A. V. Ramayya and F. D. Riley and James B. Roberto and Mikhail A. Ryabinin and Krzysztof Piotr Rykaczewski and R. N. Sagaidak and Dawn A. Shaughnessy and I. V. Shirokovsky and Mark A. Stoyer and Vladimir Subbotin and Ralf Sudowe and Alexander Sukhov and Yu. S. Tsyganov and Vladimir Utyonkov and Alexey A. Voinov and Grigory K. Vostokin and Philip A. Wilk},
  journal={Physical review letters},
  year={2010},
  volume={104 14},
  pages={
          142502
        }
}
The discovery of a new chemical element with atomic number Z=117 is reported. The isotopes (293)117 and (294)117 were produced in fusion reactions between (48)Ca and (249)Bk. Decay chains involving 11 new nuclei were identified by means of the Dubna gas-filled recoil separator. The measured decay properties show a strong rise of stability for heavier isotopes with Z > or = 111, validating the concept of the long sought island of enhanced stability for superheavy nuclei. 

Figures from this paper

Synthesis of the New Element with Z=117
The synthesis of the new chemical element with atomic number Z=117 is presented. The isotopes 293117 and 294117were produced in fusion reactions between 48Ca and 249Bk. The 249Bk was produced in the
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TLDR
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A Detail Investigation on the Synthesis of Superheavy Element Z = 119
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Abstract The observation of atomic numbers Z that are 40% larger than that of Bi, the heaviest stable element, is an impressive extension of nuclear survival. Although the super heavy nuclei (SHN)
Discovery of element 117: Super-heavy elements and the “island of stability”*
ABSTRACT Element 117 (tennessine) joined the periodic table in November 2016. Two tennessine isotopes were synthesized by bombarding 249Bk from Oak Ridge National Laboratory with 48Ca ions at the
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