MEASUREMENT OF THE PROTON-PROTON CORRELATION FUNCTION FROM THE BREAK-UP OF 22Mg AND 20Ne

被引:2
|
作者
Sun, X. Y. [1 ,3 ]
Chen, J. G. [1 ]
Fang, D. Q. [1 ]
Ma, Y. G. [1 ]
Cai, X. Z. [1 ]
Guo, W. [1 ]
Tian, W. D. [1 ]
Wang, H. W. [1 ]
Zhou, P. [1 ,3 ]
Zhang, G. Q. [1 ,3 ]
Cao, X. G. [1 ,3 ]
Fu, Y. [1 ,3 ]
Hu, Z. G. [2 ]
Wang, J. S. [2 ]
Wang, M. [2 ]
Togano, Y. [4 ]
Aoi, N. [4 ]
Baba, H. [4 ]
Honda, T. [5 ]
Okada, K. [5 ]
Hara, Y. [5 ]
Ieki, K. [5 ]
Ishibashi, Y. [6 ]
Itou, Y. [6 ]
Iwasa, N. [7 ]
Kanno, S. [4 ]
Kawabata, T. [8 ]
Kimura, H. [9 ]
Kondo, Y. [4 ]
Kurita, K. [5 ]
Kurokawa, M. [4 ]
Moriguchi, T. [6 ]
Murakami, H. [4 ]
Oishi, H. [6 ]
Ota, S. [8 ]
Ozawa, A. [6 ]
Sakurai, H. [4 ]
Shimoura, S. [8 ]
Shioda, R. [5 ]
Takeshita, E. [4 ]
Takeuchi, S. [4 ]
Yamada, K. [4 ]
Yamada, Y. [5 ]
Yasuda, Y. [6 ]
Yoneda, K. [4 ]
Motobayashi, T. [4 ]
机构
[1] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
[2] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
[3] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
[4] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan
[5] Rikkyo Univ, Dept Phys, Tokyo, Japan
[6] Univ Tsukuba, Inst Phys, Ibaraki, Japan
[7] Tohoku Univ, Dept Phys, Sendai, Miyagi 980, Japan
[8] Kyoto Univ, Dept Phys, Kyoto 6068501, Japan
[9] Univ Tokyo, Dept Phys, Tokyo 1138654, Japan
来源
关键词
COULOMB DISSOCIATION; INTERFEROMETRY; DECAY;
D O I
10.1142/S0218301310016259
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
An experiment of Mg-22 and Ne-20 beams bombarding on a C-12 target at an energy of 60 similar to 70 A MeV has been performed at the RIKEN projectile fragment separator (RIPS)in the RIKEN Ring Cyclotron Facility to study the two-proton correlated emission from Mg-22 and Ne-20 excited states. The two-protons momentum correlation functions have been obtained for Mg-22 and Ne-20, respectively. The trajectories of the Mg-22 decayed products (Ne-20 + p + p) were also measured to get the angular correlations between the two protons in Center of Mass of decaying system by relativistic-kinematics reconstruction. The results exhibit that Mg-22 has the features of He-2 cluster decay mechanism.
引用
收藏
页码:1823 / 1828
页数:6
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