Chin. Phys. Lett.  2000, Vol. 17 Issue (4): 267-269    DOI:
Original Articles |
Isospin Effect of Fragmentation Reaction on the Isotopic Distribution Produced in Intermediate Energy Heavy Ion Collisions
FANG De-Qing1;SHEN Wen-Qing1;FENG Jun1;CAI Xiang-Zhou1,WANG Jian-Song1;SU Qian-Min1;MA Yu-Gang1;ZHU Yong-Tai2;LI Song-Lin2;WU He-Yu2;GOU Quan-Bu2;JIN Gen-Ming2,ZHAN Wen-Long2;GUO Zhong-Yan2;XIAO Guo-Qing2
1Shanghai Institute of Nuclear Research, Chinese Academy of Sciences, Shanghai 201800 2Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000
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FANG De-Qing, SHEN Wen-Qing, FENG Jun et al  2000 Chin. Phys. Lett. 17 267-269
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Abstract Fragments produced in the reaction of 60 MeV/n 18O on Be have been measured experimentally. The isotopic distribution of fragmentation reaction is well reproduced by a modified statistical abrasion-ablation model. It is predicted that the isotopic distribution shifts toward the neutron rich side for neutron rich projectile, but this isospin effect decreases with the increase of the atomic number difference Z - ZA and disappears at last, where Z and ZA are atomic numbers of the isotopic distribution and the projectile respectively.

Keywords: 25.70.Mn      24.10.-i     
Published: 01 April 2000
PACS:  25.70.Mn (Projectile and target fragmentation)  
  24.10.-i (Nuclear reaction models and methods)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2000/V17/I4/0267
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FANG De-Qing
SHEN Wen-Qing
FENG Jun
CAI Xiang-Zhou
WANG Jian-Song
SU Qian-Min
MA Yu-Gang
ZHU Yong-Tai
LI Song-Lin
WU He-Yu
GOU Quan-Bu
JIN Gen-Ming
ZHAN Wen-Long
GUO Zhong-Yan
XIAO Guo-Qing
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