Garvey-Kelson relations for nuclear charge radii

Garvey-Kelson relations for nuclear charge radii
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DOI：
10.1140/epja/i2010-11051-8
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发表时间：
2009-12
期刊：
The European Physical Journal A
影响因子：
--
通讯作者：
J. Piekarewicz;M. Centelles;X. Roca-Maza;X. Viñas
J. Piekarewicz;M. Centelles;X. Roca-Maza;X. Viñas
中科院分区：
其他
文献类型：
--
作者：
J. Piekarewicz;M. Centelles;X. Roca-Maza;X. Viñas

文献摘要

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Garvey-Kelson关系(GKR)是最初用来预测原子核质量的代数表达式。在这篇文章中，我们证明了GKR为预测其他也表现出微弱变化动力学的物理观测提供了一个卓有成效的框架。基于这一概念，我们将GKRS推广到核电荷半径的研究。GKR在大约800个原子核中的455个上进行了测试，这些原子核的电荷半径是实验上已知的。我们发现GK预测值与实验值之间的均方根偏差为0.01fm。对目前未知电荷半径的116个原子核进行了预测。
The Garvey-Kelson relations (GKRs) are algebraic expressions originally developed to predict nuclear masses. In this paper we show that the GKRs provide a fruitful framework for the prediction of other physical observables that also display aslowly varyingdynamics. Based on this concept, we extend the GKRs to the study ofnuclear charge radii. The GKRs are tested on 455 out of the approximately 800 nuclei whose charge radius is experimentally known. We find a rms deviation of 0.01fm between the GK predictions and the experimental values. Predictions are provided for 116 nuclei whose charge radius is presently unknown.