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Rare Isotope Production in peripheral heavy-ion collisions in the energy range 15-25 MeV/nucleon

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Published: Apr 1, 2019
DOI: https://doi.org/10.12681/hnps.1866
A. Papageorgiou
Department of Chemistry, National Kapodistrian University of Athens
G. A. Souliotis
Department of Chemistry, National Kapodistrian University of Athens
Y. K. Kwon
RISP
K. Tshoo
RISP
S. C. Jeong
RISP
M. Veselsky
Slovak Academy of Sciences
A. Bonasera
Texas A&M
Abstract

In this contribution we summarize recent efforts to describe the production of rare isotopes with beams of 15–25 MeV/nucleon expected from low-energy facilities. We first present calculated production cross sections of proton-rich nuclides from collisions of stable beams of mass A∼60–80. Our calculations are performed with the phenomenological deep-inelastic transfer (DIT) model and the microscopic con- strained molecular dynamics model (CoMD). De-excitation of the excited quasipro- jectiles from the dynamical stage of the reaction is performed with the statistical multifragmentation model (SMM). In addition to the efforts on proton-rich nuclides, we investigated the possibility of producing neutron-rich rare isotopes in the mass range A∼180–200, i.e. near the third r-process peak of A=195. We performed calcu- lations for a 208Pb (15MeV/nucleon) beam and find that the multinucleon transfer mechanism leads to very neutron-rich nuclides in this mass range. We believe that our continued progress on the study of multinucleon transfer reactions using heavy- ion beams of 15–25 MeV/nucleon, can provide new opportunities in rare isotope research in the near future, as planned at the KOBRA facility of RISP in Korea.

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