Multi-quasiparticle excitations in145Tb

Multi-quasiparticle excitations in145Tb

High-spin states in145Tb have been populated using the118Sn (32S, 1p4n) reaction at beam energy of 165 MeV. The level scheme of145Tb has been established up toEx≈7.4 MeV. The level scheme shows characteristics of a spherical or slightly oblate nucleus. Based on the systematic trends of the level str...

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Veröffentlicht in:Science China. Physics, mechanics & astronomy mechanics & astronomy, 2004-09, Vol.47 (5), p.561-570
Hauptverfasser: Zheng, Yong, Zhou, Xiaohong, Zhang, Yuhu, Liu, Minliang, Guo, Yingxiang, Lei, Xiangguo, Hayakawa, T, Oshima, M, Toh, T, Shizuma, T, Katakura, J, Hatsukawa, Y, Matsuda, M, Kusakari, H, Sugawara, M
Format: Artikel
Sprache:eng
Schlagworte:
Elementary excitations
Excitation
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Zusammenfassung:High-spin states in145Tb have been populated using the118Sn (32S, 1p4n) reaction at beam energy of 165 MeV. The level scheme of145Tb has been established up toEx≈7.4 MeV. The level scheme shows characteristics of a spherical or slightly oblate nucleus. Based on the systematic trends of the level structure in the neighboringN=80 isotones, the level structure in145Tb below 2 MeV excitation is well eplained by coupling anh11/2 valence proton to the even-even144Gd core. Above 2 MeV excitation, most of the yrast levels are interpreted with multi-quasiparticle shell-model configurations.
ISSN:1674-7348
1869-1927
DOI:10.1360/03yw0257