Physics
Scientific paper
Feb 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012jphcs.337a2022b&link_type=abstract
Journal of Physics: Conference Series, Volume 337, Issue 1, pp. 012022 (2012).
Physics
Scientific paper
The α-decay is considered from the viewpoint of the many body features of internal nuclear motion and the theory of resonance reactions. The α-half-lives are derived from clustering and scattering amplitudes given by self-consistent nuclear models for the nuclear shell structure and reaction dynamics. Calculations are performed for superheavy nuclei with Z = 102-120 using: only the measured Eα values, microscopic (shell model) or macroscopic (one body) cluster formation amplitudes and, resonance scattering amplitudes. Theoretical results for α-half-lives are compared to data and empirical estimates. We prove that the Brown systematics (logTα (s) vs. Z0.6d · Qα-1/2, where Qα (MeV) is the effective decay energy, and Zd is the charge number of daughter nucleus) of current decay data is very useful in the analysis and interpretation of data and the prediction of new results. The accuracy of available experimental half-lives is discussed.
Budaca Andreea-Ioana
Silişteanu Ion
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