Multi-quasiparticle states in 256Rf

被引：56

作者：

Jeppesen, H. B. ^{[1
]}

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

Clark, R. M. ^{[1
]}

Gregorich, K. E. ^{[1
]}

Ali, M. N. ^{[1
,2
]}

Allmond, J. M. ^{[3
]}

Beausang, C. W. ^{[3
]}

Bleuel, D. L. ^{[4
]}

Cromaz, M. ^{[1
]}

Deleplanque, M. A. ^{[1
]}

Ellison, P. A. ^{[1
,2
]}

Fallon, P. ^{[1
]}

Garcia, M. A. ^{[1
,2
]}

Gates, J. M. ^{[1
,2
]}

Greene, J. P. ^{[5
]}

Gros, S. ^{[1
]}

Lee, I. Y. ^{[1
]}

Liu, H. L. ^{[6
]}

Macchiavelli, A. O. ^{[1
]}

Nelson, S. L. ^{[1
,2
]}

Nitsche, H. ^{[1
,2
]}

Pavan, J. R. ^{[1
]}

Stavsetra, L. ^{[1
]}

Stephens, F. S. ^{[1
]}

Wiedeking, M. ^{[1
]}

Wyss, R. ^{[7
]}

Xu, F. R. ^{[6
]}

机构：

[1] Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA

[3] Univ Richmond, Dept Phys, Richmond, VA 23173 USA

[4] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA

[5] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA

[6] Peking Univ, Sch Phys, Beijing 100871, Peoples R China

[7] Royal Inst Technol, KTH, AlbaNova Univ Ctr, S-10405 Stockholm, Sweden

来源：

PHYSICAL REVIEW C | 2009年 / 79卷 / 03期

关键词：

ISOMERS; CF-250; DECAY;

D O I：

10.1103/PhysRevC.79.031303

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：

Excited states in (256)Rf were populated via the Pb-208(Ti-50,2n) fusion-evaporation reaction. Delayed gamma-ray and electron decay spectroscopy was performed and three isomeric states in (256)Rf have been identified. A fourth low-energy nonyrast state was identified from the gamma-ray decay of one of the higher lying isomers. The states are interpreted as multi-quasiparticle excitations.

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页数：5

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