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Chinese Physics C> 1998, Vol. 22> Issue(1) : 1-3 

Experimental Evidence for the Superdeformation in 81Rb

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

  • High-spin states in 81Rb were populated in the 55Mn(30Si, 2p2n) reaction at 130 MeV. Prompt γγγ-charged particle coincidences were observed using the GASP spectrometer in conjunction with the ΔE-E silicon ball (ISIS). A superdeformed band consisting of seven γ-ray transitions has been identified. The dynamic moment of inertia for the band is constant with a value of approximately 26.7 h2/MeV throughout the whole observed rotational frequency. This band is interpreted to have a π51v52 intrinsic intruder configuration with a quadruple deformation β2 of 0.51.
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  • References

    [1] P.J.Twinetal.Phys.Rev.Lett.,1986,57:811[2]P. J. Nolan, P. J. Twinetal. Annu. Rev.Nucl.Part.Sci.,1988,38:553[3]R.V.EJanssens,T.L.Khoo.Annu.Rev.Nucl.Part.Sci.,1991,41:321[4]I.Ragnarssonetal.Phys.Rep.,1978,45:1[5]W.Nazarewiczetal.Nucl.Phys.,1985,A435:397[6]J.Dudeketal.Phys.Rev.,1987,C35:1489[7]C.Baktashetal.Phys.Rev.Lett.,1995,74:1946[8]H.Q.Jinetal.Phys.Rev.Lett,1995,75:1471

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Pan Qiangyan, Luo Yixiao, De Poli and de Angelis. Experimental Evidence for the Superdeformation in 81Rb[J]. Chinese Physics C, 1998, 22(1): 1-3.
Pan Qiangyan, Luo Yixiao, De Poli and de Angelis. Experimental Evidence for the Superdeformation in 81Rb[J]. Chinese Physics C, 1998, 22(1): 1-3. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Experimental Evidence for the Superdeformation in 81Rb

    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: 1998-01-05

Abstract: High-spin states in 81Rb were populated in the 55Mn(30Si, 2p2n) reaction at 130 MeV. Prompt γγγ-charged particle coincidences were observed using the GASP spectrometer in conjunction with the ΔE-E silicon ball (ISIS). A superdeformed band consisting of seven γ-ray transitions has been identified. The dynamic moment of inertia for the band is constant with a value of approximately 26.7 h2/MeV throughout the whole observed rotational frequency. This band is interpreted to have a π51v52 intrinsic intruder configuration with a quadruple deformation β2 of 0.51.

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