Testing the predictive power of nuclear mass models

被引:18
|
作者
Mendoza-Temis, J. [1 ]
Morales, I. [1 ]
Barea, J. [2 ]
Frank, A. [1 ]
Hirsch, J. G. [1 ]
Lopez Vieyra, J. C. [1 ]
Van Isacker, P. [3 ]
Velazquez, V. [4 ]
机构
[1] Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico
[2] Yale Univ, Sloane Phys Lab, Ctr Theoret Phys, New Haven, CT 06520 USA
[3] CEA DSM, CNRS, IN2P3, Grand Accelerateur Natl Ions Lourds, F-14076 Caen 5, France
[4] Univ Nacl Autonoma Mexico, Fac Ciencia, Mexico City 04510, DF, Mexico
关键词
Nuclear mass models; Binding energies; Extrapolation; Tests;
D O I
10.1016/j.nuclphysa.2008.08.008
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
A number of tests are introduced which probe the ability of nuclear mass models to extrapolate. Three models are analyzed in detail: the liquid drop model, the liquid drop model plus empirical shell corrections and the Duflo-Zuker mass formula. If predicted nuclei are close to the fitted ones, average errors in predicted and fitted masses are similar. However, the challenge of predicting nuclear masses in a region stabilized by shell effects (e.g., the lead region) is far more difficult. The Duflo-Zuker mass formula emerges as a powerful predictive tool. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:28 / 43
页数:16
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