Experimental Observation of High-spin states in <sup>146</sup>Sm Nucleus

Zhang Yuhu; Y. Gono; E. Ideguchi; T. Kishida; K. Morida; A. Yoshita; H. Kumagai; M. Ishihara; S. Mitarai; A. Odahara; M. Shibata; T. Morikaawa; M. Oshima; H. Iimura; M. Shibata; S. Hamata; T. Murakami; H. Kusakari; M. Sugawara; M. Ogawa; M. Nagajima

Chinese Physics C> 1997, Vol. 21> Issue(S1) : 437-442

Experimental Observation of High-spin states in ¹⁴⁶Sm Nucleus

Zhang Yuhu ¹ ,
Y. Gono ² ,
E. Ideguchi ² ,
T. Kishida ² ,
K. Morida ² ,
A. Yoshita ² ,
H. Kumagai ² ,
M. Ishihara ² ,
S. Mitarai ² ,
A. Odahara ³ ,
M. Shibata ³ ,
T. Morikaawa ³ ,
M. Oshima ⁴ ,
H. Iimura ⁴ ,
M. Shibata ⁴ ,
S. Hamata ⁴ ,
T. Murakami ⁴ ,
H. Kusakari ⁵ ,
M. Sugawara ⁶ ,
M. Ogawa ⁷ ,
M. Nagajima ⁸

1 Institute of Modem Physics, Chinese Academy of Sciences, Lanzhou, China;
2 RIKEN, Wako-shi, Saitama, 351-01, Japan;
3 Department of Physics, Kyushu University, Hakozaki, Fukuoka 812 f Japan;
4 Japan Atomic Energy Research Institute, Tokai, Ibaragi 319-11, Japan;
5 National Institute of Radiological Sciences, Inage, Chiba 263, Japan;
6 Faculty of Education, Chiba University, Chiba 263, Japan;
7 Faculty of Natural Sciences, Chiba Institute of Technology, Narashino, Chiba 275, Japan;
8 Graduate School of Nagatsuda, Tokyo Institute of Technology, Yokohama, Kanagawa 221, Japan

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Abstract：
High-spin states of ¹⁴⁶Sm have been experimentally studied by using a ¹³C (95 MeV) beam bombarding a natural thick Ba target; 17 new γ-rays and 11 new levels were found and assigned to the level scheme of ¹⁴⁶Sm which was extended up to 10.3 MeV excitation energy. Level structure still shows the characteristics of particle configurations. No long-lived high-spin isomer was found up to such high-excitation regions.
- γ-rays ,
- new energy levels ,
- high-spin states

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Zhang Yuhu, Y. Gono, E. Ideguchi, T. Kishida, K. Morida, A. Yoshita, H. Kumagai, M. Ishihara, S. Mitarai, A. Odahara, M. Shibata, T. Morikaawa, M. Oshima, H. Iimura, M. Shibata, S. Hamata, T. Murakami, H. Kusakari, M. Sugawara, M. Ogawa and M. Nagajima. Experimental Observation of High-spin states in ¹⁴⁶Sm Nucleus[J]. Chinese Physics C, 1997, 21(S1): 437-442.

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Received: 1995-12-27

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Supported by the Foundation of the Chinese Academy of Sciences and the Postdoctorate Function of China.

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Experimental Observation of High-spin states in ¹⁴⁶Sm Nucleus

1 Institute of Modem Physics, Chinese Academy of Sciences, Lanzhou, China;

2 RIKEN, Wako-shi, Saitama, 351-01, Japan;

3 Department of Physics, Kyushu University, Hakozaki, Fukuoka 812 f Japan;

4 Japan Atomic Energy Research Institute, Tokai, Ibaragi 319-11, Japan;

5 National Institute of Radiological Sciences, Inage, Chiba 263, Japan;

6 Faculty of Education, Chiba University, Chiba 263, Japan;

7 Faculty of Natural Sciences, Chiba Institute of Technology, Narashino, Chiba 275, Japan;

8 Graduate School of Nagatsuda, Tokyo Institute of Technology, Yokohama, Kanagawa 221, Japan

Received Date: 1995-12-27

Fund Project: Supported by the Foundation of the Chinese Academy of Sciences and the Postdoctorate Function of China.

Abstract: High-spin states of ¹⁴⁶Sm have been experimentally studied by using a ¹³C (95 MeV) beam bombarding a natural thick Ba target; 17 new γ-rays and 11 new levels were found and assigned to the level scheme of ¹⁴⁶Sm which was extended up to 10.3 MeV excitation energy. Level structure still shows the characteristics of particle configurations. No long-lived high-spin isomer was found up to such high-excitation regions.

Experimental Observation of High-spin states in ¹⁴⁶Sm Nucleus

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Experimental Observation of High-spin states in ¹⁴⁶Sm Nucleus