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Front. Phys. | doi: 10.3389/fphy.2019.00023

The synthesis of new neutron-rich heavy nuclei

  • 1Oregon State University, United States

All the known isotopes of the elements Fm through Og are neutron-deficient relative to -stability. In this contribution, I discuss two methods of producing more n-rich heavy nuclei, i.e., the use of radioactive nuclear beams (RNBs) and the use of multi-nucleon transfer (MNT) reactions. In the former case, I discuss recent studies of the interaction of 39,46K with 181Ta and their implications for the synthesis of more n-rich isotopes of Bh and Hs. In the case of MNT reactions, I discuss recent results for the reaction of 136Xe with 208Pb, 204Hg + 198Pt and 136Xe + 198Pt. I compare measured distributions of the target-like fragments (TLFs) and projectile-like fragments (PLFs) with current models of MNT reactions.

Keywords: heavy ion collisions, multi-nucleon transfer reactions, GRAZING model, DNS model, ImQMD model, radioactive nuclear beams, Heavy ion collisions, Multi-nucleon transfer reactions, Grazing model, DNS model, ImQMD model, Radioactive beams

Received: 16 Nov 2018; Accepted: 12 Feb 2019.

Edited by:

Angela Bonaccorso, Istituto Nazionale di Fisica Nucleare, Sezione di Pisa, Italy

Reviewed by:

Giuseppe Verde, Istituto Nazionale di Fisica Nucleare (INFN), Italy
Kazuyuki Sekizawa, Niigata University, Japan  

Copyright: © 2019 Loveland. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Prof. Walter D. Loveland, Oregon State University, Corvallis, United States, lovelanw@onid.orst.edu