Role of neutron transfer in capture processes at sub-barrier energies
V. V. SargsyanInternational Center for Advanced Studies, Yerevan State University, 0025 Yerevan, ArmeniaG. G. AdamianJoint Institute for Nuclear Research, 141980 Dubna, RussiaN. V. AntonenkoJoint Institute for Nuclear Research, 141980 Dubna, RussiaW. ScheidInstitut für Theoretische Physik der Justus--Liebig--Universität, D-35392 Giessen, GermanyH. Q. ZhangChina Institute of Atomic Energy, Post Office Box 275, Beijing 102413, China
2012en
ABI
Аннотация
The role of neutron transfer with positive $Q$-value in sub-barrier capture reactions ${}^{132}$Sn,${}^{130}$Te+${}^{58,64}$Ni, and ${}^{60}$Ni+${}^{100}$Mo, measured recently by Z. Kohley et al. [Phys. Rev. Lett. 107, 202701 (2011)] and F. Scarlassara et al. [EPJ Web Conf. 17, 05002 (2011)], is studied and explained within the quantum diffusion approach. It is shown that the transfer of two neutrons influences the sub-barrier capture through the change of the deformations of the colliding nuclei. Based on our analysis, one can understand why the influence of the neutron transfer is strong in some capture reactions, but is weak in others.
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