Measurement of two-proton correlation from the break-up of 23Al

P. Zhou, D. Q. Fang, Y. G. Ma, X. Z. Cai, J. G. Chen, W. Guo, X. Y. Sun, W. D. Tian, H. W. Wang, G. Q. Zhang, X. G. Cao, Y. Fu, Z. G. Hu, J. S. Wang, M. Wang, Y. Togano, N. Aoi, H. Baba, T. Honda, K. OkadaY. Hara, K. Ieki, Y. Ishibashi, Y. Itou, N. Iwasa, S. Kanno, T. Kawabata, H. Kimura, Y. Kondo, K. Kurita, M. Kurokawa, T. Moriguchi, H. Murakami, H. Oishi, S. Ota, A. Ozawa, H. Sakurai, S. Shimoura, R. Shioda, E. Takeshita, S. Takeuchi, K. Yamada, Y. Yamada, Y. Yasuda, K. Yoneda, T. Motobayashi

研究成果: Article査読

4 被引用数 (Scopus)

抄録

Experiments of 23Al and 22Mg radioactive beams bombarding a 12C target at an energy of 60 ∼70 A MeV have been performed at the projectile fragment separator beamline (RIPS) in the RIKEN Ring Cyclotron Facility to study the two-proton emission from 23Al and 22Mg excited states, respectively. The trajectorie of the decay products, namely 21Na + p + p from 23Al and 20Ne + p + p from 22Mg, are clean identified. The relative momentum and opening angle between two protons in the rest frame of three body decay channels are obtained by relativistic-kinematics reconstruction. The results demonstrate that there are some di-proton emission components from 2He cluster for the excited 23Al and 22Mg.

本文言語English
ページ(範囲)957-964
ページ数8
ジャーナルInternational Journal of Modern Physics E
19
5-6
DOI
出版ステータスPublished - 2010 6

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 物理学および天文学(全般)

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