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Chinese Physics C> 1998, Vol. 22> Issue(3) : 209-216 

Band Crossings and Shape Changes in the Kπ=5－/2 Band in 79Kr

  •  Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000Laboratori Nazionali di Legnaro, INFN, 35020 Legnaro PD,Italy

  • High-spin states in 79Kr were studied via the fusion evaporation reaction 55Mn(30Si, apn) at 130MeV. Prompt γγγ-charged particle coincidences were made using the GASP array in conjunction with the ΔE-E Si(Au) charged particle ball. Nine new states were found, along with 10 new transitions in the K=5-/2 band. The favored (a=+1/2) and unfavored (a=－1/2) signature sequences were extended up to states of (37-/2)8992 keV and (59－/2)20132 keV, respectively. A cranked shell-model analysis has been made to discuss the experimental results.
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    [1] Liptak J,Kristiak J.Nucl,Phys.,1978,A311:421-444[2]Clemenet J S et al.Phys.Rev.,1980,C21:1285-1289[3]Behar M et al.Phys.Rev.,1982,C26;1417-1431[4]Kajrys G et al,Phys.Rev.,1983.C27:983-1002[5]winter G et at.J. Phys.,1988,G14:L13-L15[6]Schwengner R et al,Nucl.phys.,1990,A509:550-586[7]Johns G D etat.Phys.Rev.,1994,C50:2786-2793

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Pan Qiangyan, Luo Yixiao, De Poli and de Angelis. Band Crossings and Shape Changes in the Kπ=5－/2 Band in 79Kr[J]. Chinese Physics C, 1998, 22(3): 209-216.
Pan Qiangyan, Luo Yixiao, De Poli and de Angelis. Band Crossings and Shape Changes in the Kπ=5－/2 Band in 79Kr[J]. Chinese Physics C, 1998, 22(3): 209-216. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Band Crossings and Shape Changes in the Kπ=5－/2 Band in 79Kr

    Corresponding author: Pan Qiangyan,
  • Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000Laboratori Nazionali di Legnaro, INFN, 35020 Legnaro PD,Italy
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1998-03-05

Abstract: High-spin states in 79Kr were studied via the fusion evaporation reaction 55Mn(30Si, apn) at 130MeV. Prompt γγγ-charged particle coincidences were made using the GASP array in conjunction with the ΔE-E Si(Au) charged particle ball. Nine new states were found, along with 10 new transitions in the K=5-/2 band. The favored (a=+1/2) and unfavored (a=－1/2) signature sequences were extended up to states of (37-/2)8992 keV and (59－/2)20132 keV, respectively. A cranked shell-model analysis has been made to discuss the experimental results.

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