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Energy splitting of the ground-state doublet in the nucleus 229Th.
The energy splitting of the 229Th ground-state doublet is measured to be 7.6+/-0.5 eV, significantly greater than earlier measurements. Gamma rays produced following the alpha decay of 233U (105…
Synthesis of a new element with atomic number Z = 117.
- Y. Oganessian, F. Abdullin, P. Wilk
- PhysicsPhysical review letters
- 9 April 2010
TLDR
Improved Value for the Energy Splitting of the Ground-State Doublet in the Nucleus 229mTh
We have made an improved estimate of the {sup 229m}Th isomer energy. The new value, 7.8(5) eV, includes an estimate of possible spectral contamination effects due to the out-of-band E2 transition…
Production and Decay of the Heaviest Nuclei
- Y. Oganessian, F. Abdullin, G. K. Vostokin
- Physics
- 2012
Yu. Ts. Oganessian,* F. Sh. Abdullin, C. Alexander, J. Binder, R. A. Boll, S. N. Dmitriev, J. Ezold, K. Felker, J.M. Gostic, R.K. Grzywacz, J. H. Hamilton, R. A. Henderson, M.G. Itkis, K. Miernik, D.…
Synthesis of Superheavy Elements
- K. Moody
- Physics
- 2014
The Island of Stability of spherical superheavy nuclides exists at the extreme limit of the Chart of the Nuclides, beyond regions of nuclear stability associated with deformed nuclear shapes. In this…
Review of even element super-heavy nuclei and search for element 120
- S. Hofmann, S. Heinz, A. Yeremin
- Physics
- 28 June 2016
Abstract.The reaction
54Cr$ + $248Cm was investigated at the velocity filter SHIP at GSI, Darmstadt, with the intention to study production and decay properties of isotopes of element 120. Three…
Measurements of cross sections for the fusion-evaporation reactions 244 Pu ( 48 Ca ,xn ) 292-x 114 and 245 Cm ( 48 Ca ,xn ) 293-x 116
- Y. Oganessian, V. Utyonkov, R. Lougheed
- Materials Science
- 1 May 2004
We have studied the excitation functions of the reactions $^{244}\mathrm{Pu}$($^{48}\mathrm{Ca}$,$xn$). Maximum cross sections for the evaporation of 3--5 neutrons in the complete-fusion reaction…
Synthesis of Superheavy Nuclei in the {sup 48}Ca + {number_sign}{sup 244}Pu Reaction
- Y. Oganessian, V. Utyonkov, R. Lougheed
- Physics
- 1 October 1999
In bombardment of {sup 244}Pu with {sup 48}Ca , we observed a decay sequence consisting of an implanted heavy atom, three subsequent {alpha} decays, and a spontaneous fission (SF), all correlated in…
Synthesis of Superheavy Nuclei in the48Ca+244PuReaction
- Y. Oganessian, V. Utyonkov, R. Lougheed
- Chemistry
- 18 October 1999
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