OBSERVATION OF EXCITED STATES IN <SUP>128</SUP>Ba

ZHAO Zhi-Zheng; GUO Ying-Xiang; PAN Zong-You; XIAO Jian-Min; LEI Xiang-Guo; LIU Hong-Ye; SUN Xi-Jun

Chinese Physics C> 1986, Vol. 10> Issue(3) : 363-366

OBSERVATION OF EXCITED STATES IN ¹²⁸Ba

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Abstract：
Excited states of ¹²⁸Ba are investigated via the ¹²⁰Sn(¹²C, 4nγ) ¹²⁸Ba reaction by means of in-beam gamma spectroscopy Λ 12⁺ state other than the previously reported one is observed according to the properties of the 935.0keV γ-ray. It does not belong to the ground state band. Two new interband transitions, 224.8keV and 632.7keV, are observed and assigned to sidefeeding between the negative-parity band and ground state band.

References

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W. Pehnhardt et al., Nucl. Phys., A225(1974), 1.[2] N. B. Goldberg et al., Phys. Lett., 97B(1980), 351.[3] D. Ward et al, Phys. Lett., 5(1975), 139.[4] H. Kusakari et al., Nucl. Phys. A401(1983) , 445.[5] C. Flaum et al., Nucl. Phys., A264(1976), 291.[6] J. Gizon et al., Nucl. Phys., A252(1975), 509.[7] H. P. Hellmester et al., Phys Lett., 85B (1979) , 34.[8] G. Seder-Clark et al., Phys. Lett., 80B(1979), 345.[9] J. P. Draayer et al., Nucl. Phys., A365 (1981), 127.[10] D. Husar et al., Nucl. Phys., A292(1977), 267.[11] A GeIherg, A. Zemel, Phys. Rev., C22(1980), 937.[12] 赵之正等, “在束，装置”, “核技术”, 待发表.[13] K, Schiffer et al., Z. Phys.,13(1983), 245.

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ZHAO Zhi-Zheng, GUO Ying-Xiang, PAN Zong-You, XIAO Jian-Min, LEI Xiang-Guo, LIU Hong-Ye and SUN Xi-Jun. OBSERVATION OF EXCITED STATES IN ¹²⁸Ba[J]. Chinese Physics C, 1986, 10(3): 363-366.

ZHAO Zhi-Zheng, GUO Ying-Xiang, PAN Zong-You, XIAO Jian-Min, LEI Xiang-Guo, LIU Hong-Ye and SUN Xi-Jun. OBSERVATION OF EXCITED STATES IN ¹²⁸Ba[J]. Chinese Physics C, 1986, 10(3): 363-366. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

OBSERVATION OF EXCITED STATES IN ¹²⁸Ba

Corresponding author: ZHAO Zhi-Zheng,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1986-06-05

Abstract: Excited states of ¹²⁸Ba are investigated via the ¹²⁰Sn(¹²C, 4nγ) ¹²⁸Ba reaction by means of in-beam gamma spectroscopy Λ 12⁺ state other than the previously reported one is observed according to the properties of the 935.0keV γ-ray. It does not belong to the ground state band. Two new interband transitions, 224.8keV and 632.7keV, are observed and assigned to sidefeeding between the negative-parity band and ground state band.