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Synthesis of a New Element with Atomic NumberZ=117

Open access
Oganessian, Yu. Ts., Abdullin, F. Sh., Bailey, P. D., Benker, D. E., Bennett, M. E., Dmitriev, S. N., Ezold, J. G., Hamilton, J. H., Henderson, R. A., Itkis, M. G., Lobanov, Yu. V., Mezentsev, A. N., Moody, K. J., Nelson, S. L., Polyakov, A. N., Porter, C. E., Ramayya, A. V., Riley, F. D., Roberto, J. B., Ryabinin, M. A., Rykaczewski, K. P., Sagaidak, R. N., Shaughnessy, D. A., Shirokovsky, I. V., Stoyer, M. A., Subbotin, V. G., Sudowe, R., Sukhov, A. M., Tsyganov, Yu. S., Utyonkov, V. K., Voinov, A. A., Vostokin, G. K., Wilk, P. A.·2010·Physical Review Letters

Abstract

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.

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Metadata

Authors
Oganessian, Y. T., Abdullin, F. S., Bailey, P. D., Benker, D. E., Bennett, M. E., Dmitriev, S. N., Ezold, J. G., Hamilton, J. H., Henderson, R. A., Itkis, M. G., Lobanov, Y. V., Mezentsev, A. N., Moody, K. J., Nelson, S. L., Polyakov, A. N., Porter, C. E., Ramayya, A. V., Riley, F. D., Roberto, J. B., Ryabinin, M. A., Rykaczewski, K. P., Sagaidak, R. N., Shaughnessy, D. A., Shirokovsky, I. V., Stoyer, M. A., Subbotin, V. G., Sudowe, R., Sukhov, A. M., Tsyganov, Y. S., Utyonkov, V. K., Voinov, A. A., Vostokin, G. K., & Wilk, P. A.
Venue
Physical Review Letters
Published
2010-04-09
Volume
104
Issue
14
Pages
142502-142502
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W1988580076
Cited by
688
References
4
FWCI
34.81
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Synthesis of a New Element with Atomic NumberZ=117. https://app.cochat.ai/papers/10.1103/physrevlett.104.142502
The paper
Oganessian, Y. T., Abdullin, F. S., Bailey, P. D., Benker, D. E., Bennett, M. E., Dmitriev, S. N., Ezold, J. G., Hamilton, J. H., Henderson, R. A., Itkis, M. G., Lobanov, Y. V., Mezentsev, A. N., Moody, K. J., Nelson, S. L., Polyakov, A. N., Porter, C. E., Ramayya, A. V., Riley, F. D., Roberto, J. B., . . . Wilk, P. A. (2010). Synthesis of a New Element with Atomic NumberZ=117. Physical Review Letters. https://doi.org/10.1103/physrevlett.104.142502

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.