Exploring sd-shell nuclei from two- and three-nucleon interactions with realistic saturation properties

被引：85

作者：

Simonis, J. ^{[1
,2
]}

Hebeler, K. ^{[1
,2
]}

Holt, J. D. ^{[3
]}

Menendez, J. ^{[4
]}

Schwenk, A. ^{[1
,2
]}

机构：

[1] Tech Univ Darmstadt, Inst Kernphys, Petersenstr 30, D-64289 Darmstadt, Germany

[2] GSI Helmholtzzentrum Schwerionenforsch GmbH, ExtreMe Matter Inst EMMI, D-64291 Darmstadt, Germany

[3] TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada

[4] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan

来源：

PHYSICAL REVIEW C | 2016年 / 93卷 / 01期

基金：

加拿大自然科学与工程研究理事会; 日本学术振兴会;

关键词：

COULOMB-EXCITATION; FINITE NUCLEI; FORCES; MODEL; ISOTOPES; ORDER;

D O I：

10.1103/PhysRevC.93.011302

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：

We study ground- and excited-state properties of all sd-shell nuclei with neutron and proton numbers 8 <= N, Z <= 20, based on a set of low-resolution two-and three-nucleon interactions that predict realistic saturation properties of nuclear matter. We focus on estimating the theoretical uncertainties due to variation of the resolution scale, the low-energy couplings, as well as from the many-body method. The experimental two-neutron and two-proton separation energies are reasonably well reproduced, with an uncertainty range of similar to 5 MeV. The first excited 2(+) energies also show overall agreement, with a more narrow uncertainty range of similar to 500 keV. In most cases, this range is dominated by the uncertainties in the Hamiltonian.

引用

页数：6

共 39 条

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