Isoscalar Giant Monopole Resonance in Ca Isotopes

被引：0
|
作者：
Arsenyev, N. N. [1 ]
Severyukhin, A. P. [1 ,2 ]
机构：
[1] Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Moscow Oblast, Russia
[2] Dubna State Univ, Dubna 141982, Moscow Oblast, Russia
来源：
PHYSICS OF ATOMIC NUCLEI | 2023年 / 86卷 / 04期
基金：
新加坡国家研究基金会; 芬兰科学院; 俄罗斯科学基金会;
关键词：
FINE-STRUCTURE; NUCLEAR; STRENGTH; ENERGY; EXCITATIONS;
D O I：
10.1134/S106377882304004X
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：
Recent experimental studies of the isoscalar giant monopole resonance (ISGMR) region in the Ca isotope chain are analyzed within the microscopic model of the phonon-phonon coupling based on the Skyrme energy-density functional. The inclusion of two- and three-phonon configurations leads to a substantial redistribution of the ISGMR strength to lower energy 0(+) states and also higher energy tail. It is shown that the gross structure of the ISGMR in the calcium isotopes Ca-40,Ca-42,Ca-44,Ca-46,Ca-48 is caused by the complex configurations.
引用
收藏
页码：465 / 470
页数：6
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