Coulomb Fission and Coulomb Time Scales of Superheavy Nuclei Z = 120

We investigated Coulomb cross-sections ( σ A Cf ) and time scales for seven fusion reactions which were attempted to synthesize superheavy element Z = 120. A simple extended trapezoidal integration method was used to assess the Coulomb fission cross-sections. For the fusion reaction of 64 Ni +  238...

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Veröffentlicht in:Brazilian journal of physics 2024-02, Vol.54 (1), Article 29
Hauptverfasser: Vasudha, G.S., Prakashbabu, D., Sowmya, N., Manjunatha, H.C.
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Sprache:eng
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Zusammenfassung:We investigated Coulomb cross-sections ( σ A Cf ) and time scales for seven fusion reactions which were attempted to synthesize superheavy element Z = 120. A simple extended trapezoidal integration method was used to assess the Coulomb fission cross-sections. For the fusion reaction of 64 Ni +  238 U the Coulomb cross-sections are higher and for the fusion reaction of 50 Ti +  249 Cf the Coulomb cross-sections smaller. Coulomb fission time scales were discovered to be less for 58 Fe particles. The Coulomb fission cross-sections were investigated at optimal energy. Coulomb fission cross-sections were also anticipated and compared to fusion σ fu and evaporation residue cross-sections σ ER . The predicted Coulomb fission and fusion cross-sections are of the order of millibarn and evaporation residue cross-sections σ ER are of the order of femtobarns. The comprehensive examination of the cross-sections and lifetimes of the Coulomb fission provides a possible explanation for the failure of the synthesis of super heavy nuclei Z = 120. As a result, additional research is necessary in order to validate the anticipated Coulomb fission cross-sections and time-scales.
ISSN:0103-9733
1678-4448
DOI:10.1007/s13538-023-01400-y