First observation of excited states in 140Dy

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作者
Królas, W [1 ]
Grzywacz, R
Rykaczewski, KP
Batchelder, JC
Bingham, CR
Gross, CJ
Fong, D
Hamilton, JH
Hartley, DJ
Hwang, JK
Larochelle, Y
Lewis, TA
Maier, KH
McConnell, JW
Piechaczek, A
Ramayya, AV
Rykaczewski, K
Shapira, D
Tantawy, MN
Winger, JA
Yu, CH
Zganjar, EF
Kruppa, AT
Nazarewicz, W
Vertse, T
机构
[1] Joint Inst Heavy Ion Res, Oak Ridge, TN 37831 USA
[2] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA
[3] H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland
[4] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA
[5] Univ Warsaw, Inst Expt Phys, PL-00681 Warsaw, Poland
[6] Oak Ridge Associated Univ, UNIRIB, Oak Ridge, TN 37831 USA
[7] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
[8] Oak Ridge Inst Sci & Educ, Oak Ridge, TN 37831 USA
[9] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA
[10] Oak Ridge High Sch, Oak Ridge, TN 37830 USA
[11] Mississippi State Univ, Dept Phys & Astron, Mississippi State, MS 39762 USA
[12] Hungarian Acad Sci, Inst Nucl Res, H-4001 Debrecen, Hungary
[13] Univ Warsaw, Inst Theoret Phys, PL-00681 Warsaw, Poland
来源
ACTA PHYSICA POLONICA B | 2003年 / 34卷 / 04期
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中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A new 7 mus isomer in the drip line nucleus Dy-140 was selected from the products of the Fe-54 (315 MeV) + Mo-92 reaction by a recoil mass spectrometer and studied with recoil-delayed gamma-gamma coincidences. Five cascading gamma transitions were interpreted as the decay of an I-pi = 8(-) {nu9/2(-)[514] circle times nu7/2(+)[404]} K isomer via the ground state band.
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页码:2315 / 2318
页数:4
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