Proton-hole excitation in the closed shell nucleus 205Au

被引:35
|
作者
Podolyak, Zs. [1 ]
Farrelly, G. F. [1 ]
Regan, P. H. [1 ]
Garnsworthy, A. B. [1 ]
Steer, S. J. [1 ]
Gorska, M. [2 ]
Benlliure, J. [3 ]
Casarejos, E. [3 ]
Pietri, S. [1 ]
Gerl, J. [2 ]
Wollersheim, H. J. [2 ]
Kumar, R. [4 ]
Molina, F. [5 ]
Algora, A. [5 ,6 ]
Alkhomashi, N. [1 ]
Benzoni, G. [7 ]
Blazhev, A. [8 ]
Boutachkov, P. [2 ]
Bruce, A. M. [9 ]
Caceres, L. [2 ,10 ]
Cullen, I. J. [1 ]
Bacelar, A. M. Denis [9 ]
Doornenbal, P. [2 ]
Estevez, M. E. [3 ]
Fujita, Y. [11 ]
Gelletly, W. [1 ]
Geissel, H. [2 ]
Grawe, H. [2 ]
Grebosz, J. [2 ,12 ]
Hoischen, R. [2 ,13 ]
Kojouharov, I. [2 ]
Lalkovski, S. [9 ]
Liu, Z. [1 ]
Maier, K. H. [12 ,14 ]
Mihai, C. [15 ]
Muecher, D. [8 ]
Rubio, B. [5 ]
Schaffner, H. [2 ]
Tamii, A.
Tashenov, S. [2 ]
Valiente-Dobon, J. J. [16 ]
Walker, P. M. [1 ]
Woods, P. J. [17 ]
机构
[1] Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England
[2] GSI Darmstadt, D-64291 Darmstadt, Germany
[3] Univ Santiago Compostela, E-15706 Santiago, Spain
[4] Inter Univ Accelerator Ctr, New Delhi, India
[5] Univ Valencia, Inst Fis Corpuscular, E-46071 Valencia, Spain
[6] Inst Nucl Res, H-4001 Debrecen, Hungary
[7] Univ Milan, Ist Nazl Fis Nucl, I-20133 Milan, Italy
[8] Univ Cologne, IKP, D-50937 Cologne, Germany
[9] Univ Brighton, Sch Environm & Technol, Brighton BN2 4GJ, E Sussex, England
[10] Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain
[11] Osaka Univ, Dept Phys, Osaka 5600043, Japan
[12] Henryk Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland
[13] Lund Univ, Dept Phys, S-22100 Lund, Sweden
[14] Univ W Scotland, Dept Phys, Paisley PA1 2BE, Renfrew, Scotland
[15] Horea Hulubei Natl Inst Phys & Nucl Engn, RO-077125 Bucharest, Romania
[16] Ist Nazl Fis Nucl, Lab Nazl Legnaro, Legnaro, Italy
[17] Univ Edinburgh, Dept Phys & Astron, Edinburgh EH8 9YL, Midlothian, Scotland
基金
英国工程与自然科学研究理事会;
关键词
RELATIVISTIC HEAVY-IONS; ISOMER SPECTROSCOPY; FRAGMENTATION; ISOTOPES; PB-208; STATES;
D O I
10.1016/j.physletb.2009.01.007
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The neutron-rich N = 126 nucleus Au-205 has been populated following the relativistic energy projectile fragmentation of E/A = 1 GeV Pb-208, and studied via charged-particle decay spectroscopy. An internal decay with a transition energy of 907(5) keV and a half-life of T-1/2 = 6(2) s has been identified through the observation of the corresponding K and L internal conversion electron lines. The 907 keV energy level corresponds to the pi h(11/2)(-1) proton-hole state and decays both internally into the pi d(3/2)(-1) ground-state and via beta decay into Hg-205. The obtained data provides information on the evolution of single-proton hole energies which are vital inputs of shell model descriptions for nuclei around the Pb-208(82)126 doubly magic core. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:116 / 119
页数:4
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