Study of the multi-nucleon transfer reactions of 136Xe+198Pt for producing exotic heavy nuclei

被引:8
|
作者
Kim, Y. H. [1 ,2 ]
Watanabe, Y. X. [1 ]
Hirayama, Y. [1 ]
Imai, N. [1 ]
Ishiyama, H. [1 ]
Jeong, S. C. [1 ]
Miyatake, H. [1 ]
Choi, S. [2 ]
Song, J. [2 ]
Clement, E. [3 ]
de France, G. [3 ]
Navin, A. [3 ]
Rejmund, M. [3 ]
Schmitt, C. [3 ]
Pollarolo, G. [4 ]
Corradi, L. [5 ]
Fioretto, E. [5 ]
Montanari, D. [6 ]
Niikura, M. [7 ,8 ]
Suzuki, D. [8 ]
Nishibata, H. [9 ]
Takatsu, J. [9 ]
机构
[1] High Energy Accelerator Res Org KEK, 1-1Oho, Tsukuba, Ibaraki 3050801, Japan
[2] Seoul Natl Univ, Seoul 151747, South Korea
[3] Grand Accelerateur Natl Ions Lourds GANIL, CNRS, IN2P3, CEA DSM, F-14076 Caen 05, France
[4] Univ Turin, Ist Nazl Fis Nucl Sezione Turin, I-10125 Turin, Italy
[5] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy
[6] Univ Padua, Ist Nazl Fis Nucl Sezione Padova, I-35131 Padua, Italy
[7] Univ Tokyo, Tokyo 1130033, Japan
[8] Univ Paris 11, Inst Phys Nucl, F-91406 Orsay, France
[9] Osaka Univ, Toyonaka, Osaka 5600043, Japan
关键词
D O I
10.1051/epjconf/20146603044
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
The feasibility of the multi-nucleon transfer (MNT) reaction in the Xe-136 + Pt-198 system was investigated for synthesizing neutron-rich heavy nuclei around mass number A similar to 200 of astrophysical interest. Identification of the projectile-like fragments (PLF's) was successfully performed by using VAMOS++ spectrometer. The isotopic distributions of the PLF's produced by two-proton stripping and pickup reactions were compared with each other, demonstrating the properties of the MNT reactions observed in the present system. The two-proton pickup channels strongly populated than the two-proton stripping channels were observed. The isotopic distributions for different total kinetic energy loss (TKEL) ranges are also discussed. The overall enhancement of the strength of the two-proton pickup compared with the two-proton stripping appears to be related to the MNT reactions with relatively moderate energy dissipation.
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页数:4
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