Analysis for Mass Distribution of Proton-Induced Reactions in Intermediate Energy Range

XIAO Yu-Heng; FAN Sheng

Chinese Physics C> 2002, Vol. 26> Issue(12) : 1247-1253

Analysis for Mass Distribution of Proton-Induced Reactions in Intermediate Energy Range

XIAO Yu-Heng ,
FAN Sheng ^,

Hu′nan City University,Hu′nan Yiyang 413049,China2 China Institute of Atomic Energy,Beijing 102413,China

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Abstract：
The mass and charge distribution of residual products produced in the spallation reactions needs to be studied,because it can provide useful information for the disposal of nuclear waste and residual radioactivity generated by the spallation neutron target system. In present work,the Many Stage Dynamical Model(MSDM) is based on the Cascade-Exciton Model (CEM) We use it to investigate the mass distribution of Nb,Au and Pb proton-induced reactions in energy range from 100 MeV to 3 GeV. The agreement between the MSDM simulations and the measured data is good in this energy range,and deviations mainly show up in the mass range of 90—150 for the high energy proton incident upon Au and Pb.

References

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XIAO Yu-Heng and FAN Sheng. Analysis for Mass Distribution of Proton-Induced Reactions in Intermediate Energy Range[J]. Chinese Physics C, 2002, 26(12): 1247-1253.

XIAO Yu-Heng and FAN Sheng. Analysis for Mass Distribution of Proton-Induced Reactions in Intermediate Energy Range[J]. Chinese Physics C, 2002, 26(12): 1247-1253. shu

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Received: 2002-01-06
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

Analysis for Mass Distribution of Proton-Induced Reactions in Intermediate Energy Range

XIAO Yu-Heng
FAN Sheng ^,

Corresponding author: FAN Sheng,

Hu′nan City University,Hu′nan Yiyang 413049,China2 China Institute of Atomic Energy,Beijing 102413,China

Received Date: 2002-01-06
Accepted Date: 1900-01-01
Available Online: 2002-12-05

Abstract: The mass and charge distribution of residual products produced in the spallation reactions needs to be studied,because it can provide useful information for the disposal of nuclear waste and residual radioactivity generated by the spallation neutron target system. In present work,the Many Stage Dynamical Model(MSDM) is based on the Cascade-Exciton Model (CEM) We use it to investigate the mass distribution of Nb,Au and Pb proton-induced reactions in energy range from 100 MeV to 3 GeV. The agreement between the MSDM simulations and the measured data is good in this energy range,and deviations mainly show up in the mass range of 90—150 for the high energy proton incident upon Au and Pb.