Beta-decay half-lives at the N=28 shell closure
نویسندگان
چکیده
منابع مشابه
Simple relation for alpha decay half-lives.
The experimental values of log&pT, yp(sec) plotted vs Zz /QQ are shown to fall on a nearly universal straight line with log, oT, ~z(sec)=(9. 54Z~. /1/Q ) —51.37, where Zz is the charge number of the daughter nucleus and Q is expressed in units of MeV. This behavior also numerically comes out of the semiclassical WKB calculation of the barrier penetration factor. The fine structure in the ratio ...
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Half-lives of radionuclides span more than 50 orders of magnitude. We characterize the probability distribution of this broad-range data set at the same time that we explore a method for fitting power laws and testing goodness-of-fit. It is found that the procedure proposed recently by Clauset et al. [SIAM Rev. 51, 661 (2009)] does not perform well as it rejects the power-law hypothesis even fo...
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We have performed shell-model calculations of the half-lives and neutron-branching probabilities of the r-process waiting point nuclei at the magic neutron number N = 82. These new calculations use a larger model space than previous shell model studies and an improved residual interaction which is adjusted to recent spectroscopic data around A = 130. Our shell-model results give a good account ...
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Author(s) Lorusso, G; Nishimura, S; Xu, Z; Jungclaus, A; Shimizu, Y; Simpson, GS; Söderström, PA; Watanabe, H; Browne, F; Doornenbal, P; Gey, G; Jung, HS; Meyer, B; Sumikama, T; Taprogge, J; Vajta, Z; Wu, J; Baba, H; Benzoni, G; Chae, KY; Crespi, FCL; Fukuda, N; Gernhäuser, R; Inabe, N; Isobe, T; Kajino, T; Kameda, D; Kim, GD; Kim, YK; Kojouharov, I; Kondev, FG; Kubo, T; Kurz, N; Kwon, YK; Lane...
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The properties of nuclei far from stability provide a stringent test of the validity of shell model Hamiltonians derived from data for nuclei near the valley of stability. Failure of shell model calculations to extrapolate to nuclei far from stability may indicate a breakdown of symmetries assumed in the model. Such a breakdown may provide evidence for new regions of deformation as were found f...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 2004
ISSN: 0370-2693
DOI: 10.1016/j.physletb.2004.06.005