Analysis of multinucleon transfer reactions involving spherical and statically deformed nuclei using a Langevin-type approach

Abstract

An increasing interest in multinucleon transfer processes in low-energy deep inelastic (damped) collisions of heavy ions appeared in recent years is due, in part, to by the possibility of using them as a method of production of heavy neutron-enriched nuclei. Possible promising projectile-target combinations include nuclei deformed in the ground state (e.g., actinides). Mutual orientations of such the nuclei in the entrance channel of the reaction may significantly influence the reaction dynamics. Available experimental data on multinucleon transfer reactions with statically deformed as well as spherical heavy nuclei 144Sm + 144Sm, 154Sm + 154Sm, 160Gd + 186W, and 208Pb + 208Pb/238U have been analyzed within the developed model. A good agreement of the calculated quantities with the corresponding experimental data is reached. Special attention in the paper is paid to analysis of production possibility of the neutron-enriched isotopes of heavy and superheavy elements in multinucleon transfer processes in the 238U + 238U/248Cm/254Es collisions.

arXiv comment13 pages, 10 figures

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• Quasifission dynamics in microscopic theories
• Heavy isotope production in ${}^{136}\text{Xe}+{}^{208}\text{Pb}$ collisions at $E_{\text{c.m.}}=514$ MeV
• Multinucleon transfer with time-dependent covariant density functional theory
• Quantal diffusion description of isotope production by multinucleon transfer mechanism in ${}^{48}\text{Ca}+{}^{238}\text{U}$ collisions
• Merging of transport theory with TDHF: multinucleon transfer in U+U collisions
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• Simulation of fusion and quasi-fission in nuclear reactions leading to production of superheavy elements using the Constrained Molecular Dynamics model
• First investigation on the isomeric ratio in multinucleon transfer reactions: Entrance channel effects on the spin distribution
• Effects of neck and nuclear orientations on the mass drift in heavy ion collisions
• Time-dependent random phase approximation for particle-number fluctuations and correlations in deep-inelastic collisions of ${}^{144}$Sm+${}^{144}$Sm and ${}^{154}$Sm+${}^{154}$Sm
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• Concentrated valence nucleons transfer in heavy-ion collisions: implications for questing the stable superheavy elements