Binding Energy of 79Cu: Probing the Structure of the Doubly Magic 78Ni from Only One Proton Away

被引：66

作者：

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

Althubiti, N. A. S. ^{[3
]}

Atanasov, D. ^{[1
,4
]}

Blaum, K. ^{[4
]}

Cocolios, T. E. ^{[5
]}

Herfurth, F. ^{[6
]}

Kreim, S. ^{[4
,14
]}

Lunney, D. ^{[7
]}

Manea, V. ^{[2
,4
]}

Mougeot, M. ^{[7
]}

Neidherr, D. ^{[6
]}

Nowacki, F. ^{[8
,9
]}

Poves, A. ^{[10
,11
,12
]}

Rosenbusch, M. ^{[13
,15
]}

Schweikhard, L. ^{[13
]}

Wienholtz, F. ^{[2
,13
]}

Wolf, R. N. ^{[4
,16
]}

Zuber, K. ^{[1
]}

机构：

[1] Tech Univ Dresden, D-01069 Dresden, Germany

[2] CERN, CH-1211 Geneva, Switzerland

[3] Univ Manchester, Manchester M13 9PL, Lancs, England

[4] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

[5] Katholieke Univ Leuven, Inst Kern Stralingsfys, B-3001 Leuven, Belgium

[6] GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany

[7] Univ Paris 11, CSNSM CNRS IN2P3, F-91405 Orsay, France

[8] Univ Strasbourg, IPHC, F-67037 Strasbourg, France

[9] CNRS, UMR7178, F-67037 Strasbourg, France

[10] Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain

[11] Univ Autonoma Madrid, IFT UAM CSIC, E-28049 Madrid, Spain

[12] Univ Strasbourg, Inst Adv Study, F-67083 Strasbourg, France

[13] Ernst Moritz Arndt Univ Greifswald, Inst Phys, D-17487 Greifswald, Germany

[14] Fak Elektrotech, D-68163 Mannheim, Germany

[15] RIKEN Nishina Ctr Accelerator Based Sci, Wako, Saitama 3510198, Japan

[16] Univ Sydney, ARC Ctr Excellence Engn Quantum Syst, Sydney, NSW 2006, Australia

来源：

PHYSICAL REVIEW LETTERS | 2017年 / 119卷 / 19期

关键词：

RADIOACTIVE-ION-BEAMS; MASS-SPECTROMETRY; CALCIUM ISOTOPES; LEVEL STRUCTURE; NEUTRON; FACILITY; NUCLEI; DECAY; TRAP;

D O I：

10.1103/PhysRevLett.119.192502

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The masses of the neutron-rich copper isotopes Cu75-79 are determined using the precision mass spectrometer ISOLTRAP at the CERN-ISOLDE facility. The trend from the new data differs significantly from that of previous results, offering a first accurate view of the mass surface adjacent to the Z = 28, N = 50 nuclide Ni-78 and supporting a doubly magic character. The new masses compare very well with large-scale shell-model calculations that predict shape coexistence in a doubly magic Ni-78 and a new island of inversion for Z < 28. A coherent picture of this important exotic region begins to emerge where excitations across Z = 28 and N = 50 form a delicate equilibrium with a spherical mean field.

引用

页数：6

共 6 条

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Olivier, L.
Franchoo, S.
Niikura, M.
Vajta, Z.
Sohler, D.
Doornenbal, P.
Obertelli, A.
Tsunoda, Y.
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Authelet, G.
Baba, H.
Calvet, D.
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Gillibert, A.
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Otsu, H.
Peron, C.
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Sakurai, H.
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Sasano, M.
Shiga, Y.
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Wang, H.
Yoneda, K.
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Chung, L. X.
Dombradi, Z.
Flavigny, F.
Giacoppo, F.
Gottardo, A.
Hadynska-Klek, K.
Korkulu, Z.
Koyama, S.
Kubota, Y.
Lee, J.
Lettmann, M.
Louchart, C.
Lozeva, R.
PHYSICAL REVIEW LETTERS, 2017, 119 (19)
[2] Further Evidence for Shape Coexistence in 79Znm near Doubly Magic 78Ni
Nies, L.
Canete, L.
Dao, D. D.
Giraud, S.
Kankainen, A.
Lunney, D.
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PHYSICAL REVIEW LETTERS, 2023, 131 (22) : 222503
[3] Persistence of the Z = 28 Shell Gap Around 78Ni: First Spectroscopy of 79Cu (vol 119, 192501, 2017)
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PHYSICAL REVIEW LETTERS, 2018, 121 (09)
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PHYSICAL REVIEW C, 2012, 85 (03):
[5] β-Decay Half-Lives of 76,77Co, 79, 80Ni, and 81Cu: Experimental Indication of a Doubly Magic 78Ni
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PHYSICAL REVIEW LETTERS, 2014, 113 (03)
[6] Low-energy states of 3181Ga50:: Proton structure of the nuclei close to 78Ni
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