High-Precision Spectroscopy of 20O Benchmarking Ab Initio Calculations in Light Nuclei

被引：2

作者：

Zanon, I. ^{[1
,2
]}

Clement, E. ^{[3
]}

Goasduff, A. ^{[1
]}

Menedez, J. ^{[4
,5
]}

Miyagi, T. ^{[6
,7
,8
]}

Assie, M. ^{[9
]}

Ciemala, M. ^{[10
]}

Flavigny, F. ^{[11
]}

Lemasson, A. ^{[3
]}

Matta, A. ^{[11
]}

Ramos, D. ^{[3
]}

Rejmund, M. ^{[3
]}

Achouri, L. ^{[11
]}

Ackermann, D. ^{[3
]}

Barrientos, D. ^{[12
]}

Beaumel, D. ^{[9
]}

Benzoni, G. ^{[13
]}

Boston, A. J. ^{[14
]}

Boston, H. C. ^{[14
]}

Bottoni, S. ^{[13
,15
]}

Bracco, A. ^{[13
,15
]}

Brugnara, D. ^{[16
]}

de France, G. ^{[3
]}

de Sereville, N. ^{[9
]}

Delaunay, F. ^{[11
]}

Desesquelles, P. ^{[9
]}

Didierjean, F. ^{[17
]}

Domingo-Prato, C. ^{[18
]}

Dudouet, J. ^{[19
]}

Eberth, J. ^{[20
]}

Fernandez, D. ^{[21
,22
]}

Fougeres, C. ^{[3
]}

Gadea, A. ^{[18
]}

Galtarossa, F. ^{[9
]}

Girard-Alcindor, V. ^{[3
]}

Gonzales, V. ^{[23
]}

Gottardo, A. ^{[1
]}

Hammache, F. ^{[9
]}

Harkness-Brennan, L. J. ^{[14
]}

Hess, H. ^{[20
]}

Judson, D. S. ^{[14
]}

Jungclaus, A. ^{[24
]}

Kaskas, A. ^{[25
]}

Kim, Y. H. ^{[26
]}

Kusoglu, A. ^{[27
]}

Labiche, M. ^{[28
]}

Leblond, S. ^{[3
]}

Lenain, C. ^{[11
]}

Lenzi, S. M. ^{[29
]}

Leoni, S. ^{[13
]}

机构：

[1] INFN, Lab Nazl Legnaro, Legnaro, Italy

[2] Univ Ferrara, Dipartimento Fis & Sci Terra, Ferrara, Italy

[3] CEA, Grand Accelerateur Natl Ions Lourds GANIL, DRF, CNRS,IN2P3, Caen, France

[4] Univ Barcelona, Dept Quantum Phys & Astrophys, Barcelona, Spain

[5] Univ Barcelona, Inst Cosmos Sci, Barcelona, Spain

[6] Tech Univ Darmstadt, Dept Phys, Darmstadt, Germany

[7] GSI Helmholtzzentrum Schwerionenforsch GmbH, ExtreMe Matter Inst, Darmstadt, Germany

[8] Max Planck Inst Kernphys, Heidelberg, Germany

[9] Univ Paris Saclay, CNRS, IN2P3, IJCLab, F-91405 Orsay, France

[10] IFJ PAN, Krakow, Poland

[11] Univ Caen Normandie, ENSICAEN, CNRS, UMR6534,IN2P3,LPC Caen, F-14000 Caen, France

[12] CERN, CH-1211 Geneva 23, Switzerland

[13] INFN, Sez Milano, I-20133 Milan, Italy

[14] Univ Liverpool, Oliver Lodge Lab, Liverpool, Merseyside, England

[15] Univ Milan, Dipartimento Fis, Milan, Italy

[16] Univ Padua, Dipartimento Fis, Padua, Italy

[17] Univ Strasbourg, IPHC, Strasbourg, France

[18] Univ Valencia, Inst Fis Corpuscolar, CSIC, E-46071 Valencia, Spain

[19] Univ Lyon 1, Univ Lyon, CNRS, UMR5822,IN2P3,IP2I, F-69622 Villeurbanne, France

[20] Univ Cologne, Inst Kernphys, Zulpicher Str 77, D-50937 Cologne, Germany

[21] Univ Santiago de Compostela, IGFAE, Santiago De Compostela, Spain

[22] Univ Santiago de Compostela, Dept Fis Particulas, Santiago De Compostela, Spain

[23] Univ Valencia, Dept Ingn Elect, Valencia, Spain

[24] CSIC, Inst Estruct Mat, E-28006 Madrid, Spain

[25] Ankara Univ, Fac Sci, Dept Phys, TR-06100 Besevler Ankara, Turkiye

[26] Inst Laue Langevin, Grenoble, France

[27] Istanbul Univ, Dept Phys, Fac Sci, Istanbul, Turkiye

[28] STFC Daresbury Lab, Warrington WA4 4AD, Cheshire, England

[29] INFN, Sez Padova, I-35131 Padua, Italy

[30] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland

[31] Uppsala Univ, Dept Phys & Astron, SE-75120 Uppsala, Sweden

[32] Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England

[33] Univ Salamanca, Dept Fis Fundamental, Lab Radiac Ionizantes, E-37008 Salamanca, Spain

[34] Univ Strasbourg, CNRS, UMR 7178, IPHC, F-67000 Strasbourg, France

[35] Univ York, Dept Phys, York, N Yorkshire, England

[36] Univ Paris Saclay, Irfu, CEA, F-91191 Gif Sur Yvette, France

[37] Argonne Natl Lab, Phys Div, Lemont, IL 60439 USA

[38] Inst Nucl Res, H-4001 Debrecen, Hungary

来源：

PHYSICAL REVIEW LETTERS | 2023年 / 131卷 / 26期

基金：

欧洲研究理事会;

关键词：

MAGIC NUMBER; LIFETIMES; FORCES;

D O I：

10.1103/PhysRevLett.131.262501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The excited states of unstable O-20 were investigated via.-ray spectroscopy following the O-19(d, p)O-20 reaction at 8 AMeV. By exploiting the Doppler shift attenuation method, the lifetimes of the 2(2)(+) and 3(1)(+) states were firmly established. From the gamma-ray branching and E2/M1 mixing ratios for transitions deexciting the 2(2)(+) and 3(1)(+) states, the B(E2) and B(M1) were determined. Various chiral effective field theory Hamiltonians, describing the nuclear properties beyond ground states, along with a standard USDB interaction, were compared with the experimentally obtained data. Such a comparison for a large set of gamma-ray transition probabilities with the valence space in medium similarity renormalization group ab initio calculations was performed for the first time in a nucleus far from stability. It was shown that the ab initio approaches using chiral effective field theory forces are challenged by detailed high-precision spectroscopic properties of nuclei. The reduced transition probabilities were found to be a very constraining test of the performance of the ab initio models.

引用

页数：7

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