Physical Review C· 2008
Synthesis of superheavy nuclei: A search for new production reactions
- 333citations
- 2008year
Short summary
New superheavy elements (Z=120-124) could be synthesized by increasing beam intensity and detection efficiency by tenfold, using titanium, chromium, or iron beams with actinide targets.
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Key points
- New superheavy elements (Z=120-124) may be synthesized with a tenfold increase in beam intensity and detection efficiency.
- Fusion reactions using titanium, chromium, or iron beams with actinide targets are proposed for synthesizing these new elements.
- Radioactive ion beams and multinucleon transfer reactions offer pathways to approach the 'island of stability'.
- Fusion reactions with accelerated fission fragments appear less promising for superheavy element production.
AI-generated from the title and abstract; the full text is not read.
Abstract
Nuclear reactions leading to the formation of new superheavy (SH) elements and isotopes are discussed in the paper. ``Cold'' and ``hot'' synthesis, fusion of fission fragments, transfer reactions, and reactions with radioactive ion beams are analyzed along with their abilities and limitations. If the possibility of increasing the beam intensity and the detection efficiency (by a total of one order of magnitude) is found, then several isotopes of new elements with $Z=120\text{\ensuremath{-}}124$ could be synthesized in fusion reactions of titanium, chromium, and iron beams with actinide targets. The use of light- and medium-mass neutron-rich radioactive beams may help us fill the gap between the SH nuclei produced in the hot fusion reactions and the mainland. In these reactions, we may really approach the ``island of stability.'' Such a possibility is also provided by the multinucleon transfer processes in low-energy damped collisions of heavy actinide nuclei. The production of SH elements in fusion reactions with accelerated fission fragments looks less encouraging.
The authors' abstract, as published at the source. Physical Review C, 2008 · DOI ↗
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Field: Nuclear and High Energy Physics
Nuclear and High Energy PhysicsPhysics and Astronomy