engleski

EXPECTATIONS AND LIMITS TO SYNTHESIZE NUCLEI WITH Z >= 120

In order to explore the possibilities to synthesize the new superheavy elements with Z=120, 122, 124, 126 some hot-fusion (mass asymmetric) reactions and cold-fusion (less mass asymmetric) reactions are studied. The dynamics of reaction with massive nuclei and the formation probability of heavy and superheavy elements with Z=90-126 in the asymmetric and symmetric reactions are discussed. The systematics of fusion probability P-CN and evaporation residue cross section sigma(ER) in these reactions are presented. Moreover, we explore the possibility of synthesis of superheavy nuclei by the use of reaction with the neutron rich radioactive beam Sn-132, and by symmetric reactions like Xe-136+Xe-136 and La-139, La-149+La-139, La-149.

HEAVY-ION COLLISIONS ; MASSIVE NUCLEI ; SUPERHEAVY ELEMENTS ; QUASI-FISSION ; ENTRANCE CHANNEL ; FUSION DYNAMICS ; COMPETITION ; BARRIER

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