Target Residues from the Interaction of Copper with 40MeV/u <SUP>40</SUP>Ar Ions

Yin Xinmin; Li Wenxin; Zhang Xiang; Sun Tongyu; Shizuko Ambe; Yoshitaka Ohkubo; Masako Iwamoto; Yoshio Kobayashi; Fumitoshi Ambe

Chinese Physics C> 1995, Vol. 19> Issue(11) : 991-997

Target Residues from the Interaction of Copper with 40MeV/u ⁴⁰Ar Ions

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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Yin Xinmin, Li Wenxin, Zhang Xiang, Sun Tongyu, Shizuko Ambe, Yoshitaka Ohkubo, Masako Iwamoto, Yoshio Kobayashi and Fumitoshi Ambe. Target Residues from the Interaction of Copper with 40MeV/u ⁴⁰Ar Ions[J]. Chinese Physics C, 1995, 19(11): 991-997.

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Target Residues from the Interaction of Copper with 40MeV/u ⁴⁰Ar Ions

Corresponding author: Yin Xinmin,

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

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1995-11-15

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.