The spontaneous emission of
20-O, 23-F, (22,24-26)-Ne, (28, 30)-Mg
and (32-34)-Si from parent nuclei with Z = 87-96 have been experimentally
observed since 1984 in Oxford, Orsay, Moskow, Berkeley, Geneva, Dubna,
Argonne, Vienna , Milano, Livermore, Beijing confirming earlier predictions within a
The most frequently cited paper, considered to be the starting point, is:
NEW TYPE OF DECAY OF HEAVY NUCLEI
INTERMEDIATE BETWEEN FISSION AND ALPHA-DECAY,
by A. Sandulescu, D. N. Poenaru and W. Greiner,
Soviet Journal Particles and Nuclei 11 (1980) 528-541.
Other contributors to this
from IFIN-HH, Department of Heavy Ion Physics and Department of
Physics, as well as from The Institut fuer Theoretische Physik der
Goethe Universitaet, Frankfurt am Main are either co-authors of the
listed below, or can be found
at the following web sites:
This phenomenon has received a
popularity. The event has been described not only by scientific
(including "La Recherche" n. 159, 1984; "Science et Vie" n. 808, 1985 ;
"Physics Bulletin" n.489, 1985, "Scientific American" n. 3, 1990
into 9 languages), Europhysics News n. 5, 1996) but also by several
in F. R. Germany, Hungary, Romania, etc.
There are more than 30 Popularization articles of this kind.
The Main Scientifical Achievements of our Group (see also the list of publications beginning with 1980)
1: Prediction of 14-C radioactivity of 222- and 224-Ra, and Unified
approach of alpha-decay, cluster radioactivities, and cold fission of
Figure 2: Potential Energy Surfaces of 106-Te showing for the first time the alpha valley with the detailed landscape around the saddle-point along the alpha valley.
Figure 3: Nuclear Chart of Cluster Emitters including very long half-lives (Tc) and small branching-ratios (b) relative to alpha-decay
Figure 4: Nuclear Chart of Cluster Emitters selcted to posses measurable half-lives and branching-ratios relative to alpha-decay
Figure 5: Experimentally Confirmed Cluster Emitters
Figure 6: Comparison of Experimentally Confirmed Half-lives with Predictions within Analytical Superasymmetric Fission Model (ASAF) The measured halflives, ranging from 10 to the power 11 to 10 to the power 26 sec, are in good quantitative agreement with the predicted halflives and branching ratios.
Figure 7: Universal Curves compared with Geiger-Nuttal Plots
Figure 8: The Most Cited Publications
Figure 9: The Nuclear Chart of Experimentally Observed Alpha Emitters and of the 252-Cf fission fragments