897926
doi
10.5281/zenodo.897926
oai:zenodo.org:897926
Heinz, S.
Grzywacz, R.
Hamilton, J. H.
Henderson, R. A.
Kenneally, J. M.
Kindler, B.
Kojouharov, I.
Lang, R.
Lommel, B.
Miernik, K.
Miller, D.
Mann, R.
Moody, K. J.
Morita, K.
Nishio, K.
Popeko, A. G.
Roberto, J. B.
Runke, J.
Rykaczewski, K. P.
Saro, S.
Scheidenberger, C.
Schött, H.
Maurer, J.
Shaughnessy, D. A.
Stoyer, M. A.
Thörle-Pospiech, P.
Tinschert, K.
Trautmann, N.
Uusitalo, J.
Yeremin, A.
Münzenberg, G.
Antalic, S.
Barth, W.
Burkhard, H. G.
Dahl, L.
Eberhardt, K.
Review of even element super-heavy nuclei and search for element 120
Hofmann, Sigurd
info:eu-repo/semantics/openAccess
Other (Open)
The reaction 54Cr + 248Cm was investigated at the velocity filter SHIP at GSI, Darmstadt,
with the intention to study production and decay properties of isotopes of element 120. Three correlated signals were measured, which occurred within a period of 279 ms. The heights of the signals correspond with the expectations for a decay sequence starting with an isotope of element 120. However, a complete decay chain cannot be established, since a signal from the implantation of the evaporation residue cannot be identified unambiguously. Measured properties of the event chain are discussed in detail. The result is compared with theoretical predictions. Previously measured decay properties of even element super-heavy
nuclei were compiled in order to find arguments for an assignment from the systematics of experimental data. In the course of this review, a few tentatively assigned data could be corrected. New interpretations are given for results which could not be assigned definitely in previous studies. The discussion revealed that the cross-section for production of element 120 could be high enough so that a successful Experiment seems possible with presently available techniques. However, a continuation of the experiment at SHIP for a necessary confirmation of the results obtained in a relatively short irradiation of five weeks is not possible at GSI presently. Therefore, we decided to publish the results of the measurement and of the review as they exist now. In the summary and outlook section we also present concepts for the continuation of Research in the field of super-heavy nuclei.
Zenodo
2016-01-01
info:eu-repo/semantics/article
897925
1579542369.350055
3998355
md5:8f3cc54c74e0d0320f33dd0fdec59923
https://zenodo.org/records/897926/files/article.pdf
public
10.5281/zenodo.897925
isVersionOf
doi