Investigation of Ca<mml:mprescripts/><mml:none/>48-induced reactions with Pu<mml:mprescripts/><mml:none/>242 and U<mml:mprescripts/><mml:none/>238 targets at the JINR Superheavy Element Factory

2022/08/22 by Yu. Ts. Oganessian, V. K. Utyonkov, D. Ibadullayev +30 · 6 citations
Physics and Astronomy · #Nuclear physics research studies #Astronomical and nuclear sciences #Quantum Chromodynamics and Particle Interactions

paper · doi:10.1103/physrevc.106.024612

openalex publication_date 2022/08/22 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/03

Abstract

Experiments using a ⁴⁸Ca beam on ²³⁸U and ²⁴²Pu targets to produce superheavy nuclei were performed at the gas-filled separator DGFRS-2 online to the new cyclotron DC280 at the SHE Factory at JINR. The decay properties of ²⁸⁶Fl and ²⁸⁷Fl, as well as their \ensuremathα-decay products, were refined after the detection of 25 and 69 new decay chains, respectively. In addition, 16 decay chains of ²⁸³Cn were observed in the ²³⁸U+⁴⁸Ca reaction. The possibility of existing of isomeric states in the ²⁸⁷Fl consecutive \ensuremathα decays is discussed. A new \ensuremathα line with an energy of 100--200 keV lower than the main one at 10.19 MeV was observed for the first time for even-even ²⁸⁶Fl decay. A maximum cross section of 10.4_\ensuremath-2.1^+3.5pb was measured for the ²⁴²Pu(⁴⁸Ca,3n) ²⁸⁷Fl reaction.

Citations

• Super-heavy element research
• Synthesis of the isotopes of elements 118 and 116 in theCf<mml:mprescripts/><mml:none/>249andCm<mml:mprescripts/><mml:none/>245+Ca<mml:mprescripts/><mml:none/>48fusion reactions
• Review of even element super-heavy nuclei and search for element 120
• The AME2016 atomic mass evaluation (II). Tables, graphs and references
• The NUBASE2016 evaluation of nuclear properties

Cited by

• Flerovium [wikipedia]
• Island of stability [wikipedia]
• Isotopes of darmstadtium [wikipedia]
• Isotopes of hassium [wikipedia]
• Rutherfordium [wikipedia]
• Seaborgium [wikipedia]