Target Residues from the Interaction of Copper with 40MeV/u 40Ar Ions |
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| Authors: | Yin Xinmin Li Wenxin Zhang Xiang Sun Tongyu Shizuko Ambe Yoshitaka Ohkubo Masako Iwamoto Yoshio Kobayashi Fumitoshi Ambe |
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| Institution: | Institute of Modern Physics,The Chines Academy of Sciences,Lanzhou 7300002 Institute of Nuclear Research,The Chines Academy of Sciences,Shanghai 201800The institute of Physical and Chemical Research RIKEN,Wako,Saitama 351-01 |
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| Abstract: | Cross Sections and average forward recoil range FW were measured for target residues from the interaction of Cu with 40MeV/u 40Ar ions using off-line y-ray spectroscopy.The mass yield distribution was obtained with assumption of charge distribution.The linear momentum transfer was calculated from FW values.A comparison with similar results of 12C+Cu and 20Ne+Cu reactions indicates that the fractional linear momentum transfer,corresponding to central collisions,decreases with increasing projectile mass at the same energy per nucleon. However,the excitation energy of the composite system created from the collisions of Cu with 40Ar ions reached the value of 5.3MeV /u and was higher than those from the collisions with 12C and 20Ne ions. |
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