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题名: Excited bands and signature dependent electromagnetic decay properties in neutron-rich Dy-159,Dy-161,Dy-163
作者: Jungclaus, A ;  Binder, B ;  Dietrich, A ;  Hartlein, T ;  Bauer, H ;  Gund, C ;  Pansegrau, D ;  Schwalm, D ;  Bazzacco, D ;  Farnea, E ;  Lunardi, S ;  Rossi-Alvarez, C ;  Ur, C ;  de Angelis, G ;  Gadea, A ;  Napoli, DR ;  Zhou, XR ;  Sun, Y
刊名: PHYSICAL REVIEW C
出版日期: 2003
卷号: 67, 期号:3, 页码:-
关键词: ELECTRIC-DIPOLE TRANSITIONS ;  RARE-EARTH NUCLEI ;  HIGH-SPIN SPECTROSCOPY ;  PROJECTED SHELL-MODEL ;  OCTUPOLE SOFTNESS ;  ROTATIONAL BANDS ;  STATES
学科分类: Physics
通讯作者: Jungclaus, A , Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain.
部门归属: Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain; CSIC, Inst Estructura Mat, E-28006 Madrid, Spain; Max Planck Inst Kernphys, D-69029 Heidelberg, Germany; Univ Padua, Dipartimento Fis, I-35131 Padua, Italy; Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy; Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China; Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA; Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA
英文摘要: High-spin states of the neutron-rich odd nuclei Dy-159,Dy-161,Dy-163 have been studied using the incomplete fusion reactions Gd-158,Gd-160(Li-7,(p,d,t)xn). In Dy-159, the band crossing in the 11/2(-)[505] band has been observed for the first time. Moreover, 11 E1 transitions connecting both signatures of the 3/2(-)[521] band to the 5/2(+)[642] band have been observed in this nucleus; the deduced B(E1)/B(E2) ratios as well as the B(M1)/B(E2) ratios for transitions within the 3/2(-)[521] band show a pronounced signature dependence. In Dy-161 and Dy-163, rotational bands have been extended to significantly higher spin values. In Dy-161, the sequences built on the neutron 5/2(-)[523] and 3/2(-)[521] states have been followed up to spin 49/2(-) and 33/2(-), respectively, and in both cases upbends have been observed around (h) over bar omegaapproximate to0.26 MeV. In addition, a new band most probably built on the 11/2(-)[505] single-particle state has been identified in this isotope. In Dy-163, both the 5/2(-)[523] ground state band and the structure built on the 5/2(+)[642] neutron orbit have been extended up to the 45/2(-) and 49/2(+) states, respectively. However, no band crossing has been observed in this nucleus. The properties of the observed bands in Dy-159,Dy-161,Dy-163 are discussed and compared to calculations performed within the projected shell model.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000182032000011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13351
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Jungclaus, A,Binder, B,Dietrich, A,et al. Excited bands and signature dependent electromagnetic decay properties in neutron-rich Dy-159,Dy-161,Dy-163[J]. PHYSICAL REVIEW C,2003,67(3):-.
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