Spectroscopy of 90Nb at high spin -: art. no. 054309

被引：20
|
作者：
Chakraborty, A
Krishichayan
Ghugre, SS
Goswami, R
Mukhopadhyay, S
Pattabiraman, NS
Ray, S
Sinha, AK
Sarkar, S
Rao, PVM
Garg, U
Basu, SK
Chaterjee, MB
Sarkar, MS
Chaturvedi, L
Dhal, A
Sinha, RK
Govil, IM
Bhowmik, RK
Jhingan, A
Madhavan, N
Muralithar, S
Nath, S
Singh, RP
Sugathan, P
机构：
[1] UGC DAE Consortium Sci Res, Kolkata Ctr, Sector 3 LB 8, Kolkata 700098, W Bengal, India
[2] Univ Burdwan, Dept Phys, Burdwan 713104, W Bengal, India
[3] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA
[4] Ctr Variable Energy Cyclotron, Sector I AF, Kolkata 700064, W Bengal, India
[5] Saha Inst Nucl Phys, Sector I AF, Kolkata 700064, W Bengal, India
[6] Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India
[7] Panjab Univ, Dept Phys, Chandigarh 160014, India
[8] Ctr Nucl Sci, New Delhi 110067, India
来源：
PHYSICAL REVIEW C | 2005年 / 72卷 / 05期
关键词：
D O I：
10.1103/PhysRevC.72.054309
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 of Nb-90 were investigated via prompt and delayed gamma decays and the recoil-isomer tagging technique. The level scheme of Nb-90 has been extended up to J=19h and E-x=8.4 MeV. Half-lives of the 11(-) and 17/2(-) isomeric levels in Nb-90,Nb-91 were measured to be 0.47 +/- 0.01 and 3.3 +/- 0.4 mu s, respectively. The results are compared with the predictions of large-basis shell model calculations. The effects of truncation of the valence model space on the calculated results are discussed.
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页数：12
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