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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. Rubbia et al.CERN AT 95–459ET),19952. Michel R et al.Nucl.Instr.and Meth.,1997,B129:153—1933. Michel R et al.Nucl.Instr.and Meth.,1995,B103:183—222 4. Armstrong T W et al.ORNL TM 3667,19725. Michel R et al.Conf.Proc.Nucl.Data for Sci.and Tech.,SIF Bologna,Italy,1997,59:1458—14626. FAN Sheng et al.Eur.Phys.,1999,A4:61—68 7. FAN Sheng et al.Nucl.Sci.and Eng.,2001,137:89—95 8. Blann M .NSC DOC(94)02,1994 9. Gudima K K et al.Nucl.Phys.,1983,A401:329—361 10. Mashnik A G et al.Cascade Exciton Model Developed Analysis of Proton Sapllation at Energies from 10MeV to 5GeV ,Report LANL ,1998 11. FAN Sheng.The Report for Post doctor of Peking University,Beijing,2000 12. Cameron A G .Can.J.Phys.,1957,35:1021 13. Ignatyuk A V et al.Sov.J.Nucl.Phys.,1975,21:255 14. Gloris M et al.Nucl.Instr.and Meth.,2001,A463:593—63315. Alexandrov Y V et al.Conf.Proc.Nucl.Data for Sci.and Tech.,SIF ,Bologna,Italy,1997.59:1525—1527 16. FAN Sheng.The Ph.D .Thesis of China Institute of Atomic Energy.Beijing,1998,12(in Chinese)(樊胜.中国原子能科学研究院博士论文.北京,1998,12)17. FAN Sheng et al.High Energy Phys.and Nucl.Phys.,2000,24:(9)845—851(in Chinese)(樊胜等.高能物理与核物理,2000,24(9):845—851)

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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.