Detailed spectroscopy of doubly magic 132Sn

被引：13

作者：

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

Fraile, L. M. ^{[1
,2
]}

Korgul, A. ^{[3
]}

Piersa, M. ^{[3
]}

Adamska, E. ^{[3
]}

Andreyev, A. N. ^{[4
,5
]}

Alvarez-Rodriguez, R. ^{[6
]}

Barzakh, A. E. ^{[7
]}

Benzoni, G. ^{[8
]}

Berry, T. ^{[9
]}

Borge, M. J. G. ^{[10
,11
]}

Carmona, M. ^{[1
,2
]}

Chrysalidis, K. ^{[10
]}

Costache, C. ^{[12
]}

Cubiss, J. G. ^{[4
,10
]}

Goodacre, T. Day ^{[10
,13
]}

De Witte, H. ^{[10
,14
]}

Fedorov, D., V ^{[7
]}

Fedosseev, V. N. ^{[10
]}

Fernandez-Martinez, G. ^{[15
]}

Fijalkowska, A. ^{[3
]}

Fila, M. ^{[3
]}

Fynbo, H. ^{[16
]}

Galaviz, D. ^{[17
,18
]}

Galve, P. ^{[1
,2
]}

Garcia-Diez, M. ^{[1
,2
]}

Greenlees, P. T. ^{[19
,20
]}

Grzywacz, R. ^{[21
,22
]}

Harkness-Brennan, L. J. ^{[23
]}

Henrich, C. ^{[15
]}

Huyse, M. ^{[14
]}

Ibanez, P. ^{[1
,2
]}

Illana, A. ^{[14
,19
,24
]}

Janas, Z. ^{[3
]}

Jolie, J. ^{[25
]}

Judson, D. S. ^{[23
]}

Karayonchev, V ^{[25
]}

Kicinska-Habior, M. ^{[3
]}

Konki, J. ^{[10
,19
,20
]}

Kurcewicz, J. ^{[10
]}

Lazarus, I ^{[26
]}

Lica, R. ^{[10
,12
]}

Lopez-Montes, A. ^{[1
,2
]}

Lund, M. ^{[16
]}

Mach, H. ^{[27
]}

Madurga, M. ^{[10
,21
]}

Marroquin, I ^{[11
]}

Marsh, B. ^{[10
]}

Martinez, M. C. ^{[1
,2
]}

Mazzocchi, C. ^{[3
]}

机构：

[1] Univ Complutense Madrid, Grp Fis Nucl, CEI Moncloa, E-28040 Madrid, Spain

[2] Univ Complutense Madrid, IPARCOS, CEI Moncloa, E-28040 Madrid, Spain

[3] Univ Warsaw, Fac Phys, PL-02093 Warsaw, Poland

[4] Univ York, Dept Phys, York YO10 5DD, N Yorkshire, England

[5] Japan Atom Energy Agcy, Adv Sci Res Ctr ASRC, Tokai, Ibaraki, Japan

[6] Univ Politecn Madrid, Escuela Tecn Super Arquitectura, E-28040 Madrid, Spain

[7] NRC Kurchatov Inst, Petersburg Nucl Phys Inst, Gatchina 188300, Russia

[8] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy

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

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

[11] CSIC, Inst Estruct Mat, E-28040 Madrid, Spain

[12] Horia Hulubei Natl Inst Phys & Nucl Engn, RO-077125 Bucharest, Romania

[13] Univ Manchester, Sch Phys & Astron, Manchester, Lancs, England

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

[15] Tech Univ Darmstadt, Inst Kernphys, Darmstadt, Germany

[16] Aarhus Univ, Dept Phys & Astron, DK-8000 Aarhus C, Denmark

[17] Univ Lisbon, LIP, P-1000149 Lisbon, Portugal

[18] Univ Lisbon, Fac Sci, P-1000149 Lisbon, Portugal

[19] Univ Jyvaskyla, Dept Phys, POB 35, FI-40014 Jyvaskyla, Finland

[20] Univ Helsinki, Helsinki Inst Phys, FIN-00014 Helsinki, Finland

[21] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA

[22] Oak Ridge Natl Lab, Phys Div, POB 2009, Oak Ridge, TN 37831 USA

[23] Univ Liverpool, Dept Phys, Oliver Lodge Lab, Liverpool L69 7ZE, Merseyside, England

[24] Inst Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy

[25] Univ Cologne, Inst Kernphys, D-50937 Cologne, Germany

[26] STFC Daresbury, Warrington WA4 4AD, Cheshire, England

[27] Natl Ctr Nucl Res, PL-02093 Warsaw, Poland

[28] Univ Valencia, CSIC, Inst Fis Corpuscular, E-46071 Valencia, Spain

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

[30] Sedecal Mol Imaging, E-28110 Algete, Madrid, Spain

[31] Univ Grenoble Alpes, LPSC, IN2P3, CNRS, F-38026 Grenoble, France

[32] Univ Maryland, Dept Chem, College Pk, MD 20742 USA

来源：

PHYSICAL REVIEW C | 2020年 / 102卷 / 01期

基金：

英国科学技术设施理事会; 欧盟地平线“2020”;

关键词：

SHELL NUCLEUS SN-132; PICOSECOND LIFETIME MEASUREMENTS; NEUTRON-RICH NUCLEI; BETA-DECAY; STATES; FISSION;

D O I：

10.1103/PhysRevC.102.014328

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：

The structure of the doubly magic Sn-132(50)82 has been investigated at the ISOLDE facility at CERN, populated both by the beta(-) decay of In-132 and beta(-)-delayed neutron emission of In-133. The level scheme of Sn-13(2) is greatly expanded with the addition of 68 gamma transitions and 17 levels observed for the first time in the beta decay. The information on the excited structure is completed by new gamma transitions and states populated in the beta-n decay of In-133. Improved delayed neutron emission probabilities are obtained both for In-132 and In-133. Level lifetimes are measured via the advanced time-delayed beta gamma gamma(t) fast-timing method. An interpretation of the level structure is given based on the experimental findings and the particle-hole configurations arising from core excitations both from the N = 82 and Z = 50 shells, leading to positive- and negative-parity particle-hole multiplets. The experimental information provides new data to challenge the theoretical description of Sn-132.

引用

页数：18

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