N=Z 线附近的同位旋混合
核理论
2011-04-05 v1 核实验
摘要
我们提出了同位旋与角动量投影的核密度泛函理论 (DFT) 及其在 N=Z 线附近超允许 β 衰变率的同位旋破缺修正中的应用。获得的 Cabibbo-小林-益川矩阵元初步值为 |V_{ud}|=0.97463(24)，与 Towner 和 Hardy [Phys. Rev. C{\bf 77}, 025501 (2008)] 近期的估计吻合良好。我们还讨论了利用同位旋投影 DFT 研究对称能的新机遇。
引用
@article{arxiv.1010.5053,
title = {Isospin mixing in the vicinity of the N=Z line},
author = {W. Satula and J. Dobaczewski and W. Nazarewicz and M. Borucki and M. Rafalski},
journal= {arXiv preprint arXiv:1010.5053},
year = {2011}
}
备注
Presented at the 17th Nuclear Physics Conference "Maria & Pierre Curie" on "Symmetry and symmetry breaking in nuclear physics", Kazimierz Dolny, 22-25 September, 2010, Poland