| Issue |
EPJ Web of Conferences
Volume 38, 2012
NSRT12 – International Conference on Nuclear Structure and Related Topics
|
|
|---|---|---|
| Article Number | 01001 | |
| Number of page(s) | 7 | |
| Section | Session 1 Chairperson – Voronov V. | |
| DOI | https://doi.org/10.1051/epjconf/20123801001 | |
| Published online | 10 December 2012 | |
https://doi.org/10.1051/epjconf/20123801001
Processes in massive nuclei reactions and the way to complete fusion of reactants. What perspectives for the synthesis of heavier superheavy elements?
1 Centro Siciliano di Fisica Nucleare e Struttura della Materia, 95125 Catania, Italy
2 Dipartimento di Fisica e di Scienze della Terra dell’Universitá di Messina, 98166 Messina, Italy
3 Istituto Nazionale di Fisica Nucleare, Sezione di Catania, 95123 Catania, Italy
4 Joint Institute for Nuclear Research, 141980 Dubna, Russia
5 Institute for Nuclear Physics, 100214 Tashkent, Uzbekistan
a e-mail: gmandaglio@unime.it
b e-mail: nasirov@jinr.ru
c e-mail: ggiardina@unime.it
By using the dinuclear system (DNS) model we determine the capture of reactants at the first stage of reaction, the competition between the DNS decay by the quasifission (QF) and the complete fusion (CF) process up to formation of the compound nucleus (CN) having compact shape. Further evolution of the CN is considered as its fission into two fragments or formation of evaporation residues (ER) by its cooling after emission of neutrons or/and charged light particles. Disappearance of the CN fission barrier due to its fast rotation leads to the fast fission (FF) by formation of fissionlike fragments. The results of calculations for the mass symmetric 136Xe+136Xe reaction, almost mass symmetric 108Mo+144Ba reaction, and mass asymmetric like 24Mg+238U and 34S+248Cm reactions are discussed. The fusion probability PCN calculated for many massive nuclei reactions leading to formation of superheavy nuclei have been analyzed. The reactions which can lead in perspective to the synthesis of superheavy elements in the Z = 120 − 126 range and, eventually, also to heaviest nuclei, are discussed.
© Owned by the authors, published by EDP Sciences, 2012
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