Multinucleon transfer with time-dependent covariant density functional theory

Abstract

The microscopic framework of time-dependent covariant density functional theory is applied to study multinucleon transfer reactions, with transfer probabilities calculated using the particle number projection method. It is found that similar total cross sections are obtained with two different relativistic density functionals, PC-PK1 and DD-ME2, as well as with the Skyrme functional SLy5 in a previous study, for multinucleon transfer in the reactions: ${}^{40}\mathrm{Ca}+{}^{124}\mathrm{Sn}$ at $E_{\mathrm{lab}}=170$ MeV, ${}^{40}\mathrm{Ca}+{}^{208}\mathrm{Pb}$ at $E_{\mathrm{lab}}=249$ MeV, and ${}^{58}\mathrm{Ni}+{}^{208}\mathrm{Pb}$ at $E_{\mathrm{lab}}=328.4$ MeV. We report the first microscopic calculation of total cross sections for the reactions: ${}^{40}\mathrm{Ar}+{}^{208}\mathrm{Pb}$ at $E_{\mathrm{lab}}=256$ MeV and ${}^{206}\mathrm{Pb}+{}^{118}\mathrm{Sn}$ at $E_{\mathrm{lab}}=1200$ MeV. Compared to the results obtained with the GRAZING model, the cross sections predicted by the time-dependent covariant density functional theory are in much better agreement with data, and demonstrate the potential of microscopic models based on relativistic density functionals for the description of reaction dynamics.

arXiv comment20 pages, 5 figures

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• Entanglement in multinucleon transfer reactions
• 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
• Impact of octupole correlation on the inverse quasifission in ${}^{160}\text{Gd}+{}^{186}\text{W}$ collisions
• Concentrated valence nucleons transfer in heavy-ion collisions: implications for questing the stable superheavy elements