Quantum-state-selective decay spectroscopy of 213Ra

被引：9

作者：

Lorenz, Ch. ^{[1
]}

Sarmiento, L. G. ^{[1
,2
]}

Rudolph, D. ^{[1
]}

Ward, D. E. ^{[1
]}

Block, M. ^{[3
,4
,5
]}

Hessberger, F. P. ^{[3
,4
]}

Ackermann, D. ^{[3
]}

Andersson, L. -L. ^{[6
]}

Cortes, M. L. ^{[2
,3
,7
]}

Droese, C. ^{[8
]}

Dworschak, M. ^{[3
]}

Eibach, M. ^{[8
,9
,10
]}

Forsberg, U. ^{[1
]}

Golubev, P. ^{[1
]}

Hoischen, R. ^{[1
,3
]}

Kojouharov, I. ^{[3
]}

Khuyagbaatar, J. ^{[3
,4
]}

Nesterenko, D. ^{[3
,11
]}

Ragnarsson, I. ^{[1
]}

Schaffner, H. ^{[3
]}

Schweikhard, L. ^{[8
]}

Stolze, S. ^{[3
,12
]}

Wenzl, J. ^{[10
]}

机构：

[1] Lund Univ, Dept Phys, S-22100 Lund, Sweden

[2] Univ Nacl Colombia, Dept Fis, CO-111321 Bogota, Colombia

[3] GSI Helmholtzzentrum Schwerionenforsch, D-64291 Darmstadt, Germany

[4] Helmholtz Inst Mainz, D-55099 Mainz, Germany

[5] Johannes Gutenberg Univ Mainz, Inst Kernchem, D-55128 Mainz, Germany

[6] Univ Liverpool, Dept Phys, Liverpool L69 7ZE, Merseyside, England

[7] RIKEN Nishina Ctr, 2-1 Hirosawa, Wako, Saitama 3510198, Japan

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

[9] Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany

[10] Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA

[11] Petersburg Nucl Phys Inst, St Petersburg 188300, Leningradskaya, Russia

[12] Univ Jyvaskyla, Dept Phys, FI-40014 Jyvaskyla, Finland

来源：

PHYSICAL REVIEW C | 2017年 / 96卷 / 03期

基金：

瑞典研究理事会;

关键词：

NUCLEAR-DATA SHEETS; NEUTRON-DEFICIENT FRANCIUM; ALPHA-DECAY; SHELL-MODEL; HEAVY; CONVERSION; ISOTOPES; TRAP; PARTICLES; ENERGY;

D O I：

10.1103/PhysRevC.96.034315

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：

An experimental scheme combining the mass resolving power of a Penning trap with contemporary decay spectroscopy has been established at GSI Darmstadt. The Universal Linear Accelerator (UNILAC) at GSI Darmstadt provided a Ca-48 beam impinging on a thin Er-170 target foil. Subsequent to velocity filtering of reaction products in the Separator for Heavy Ion reaction Products (SHIP), the nuclear ground state of the 5n evaporation channel Ra-213 was mass-selected in SHIPTRAP, and the Ra-213 ions were finally transferred into an array of silicon strip detectors surrounded by large composite germanium detectors. Based on comprehensive GEANT4 simulations and supported by theoretical calculations, the spectroscopic results call for a revision of the decay path of Ra-213, thereby exemplifying the potential of a combination of a mass-selective Penning trap device with a dedicated nuclear decay station and contemporary GEANT4 simulations.

引用

页数：12

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