| NUCLEAR PHYSICS |
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Residual Nuclides Induced in Cu Target by a 250 MeV Proton Beam |
| ZHANG Hong-Bin1, ZHANG Xue-Ying1**, MA Fei1, JU Yong-Qin1, GE Hong-Lin1, CHEN Liang1, ZHANG Yan-Bin1, WEI Ji-Fang2, LI Yan-Yan1,3, LUO Peng1, WANG Jian-Guo1, WAN Bo1,3, XU Xiao-Wei1,3, ZHOU Bin4 |
1Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000
2North China Sea Environmental Monitoring Center, State Oceanic Administration, Qingdao 266033
3University of Chinese Academy of Sciences, Beijing 100049
4Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049
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| Cite this article: |
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ZHANG Hong-Bin, ZHANG Xue-Ying, MA Fei et al 2015 Chin. Phys. Lett. 32 042501 |
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Abstract Residual nuclide production is studied experimentally by bombarding a Cu target with a 250 MeV proton beam. The data are measured by the off-line γ-spectroscopy method. Six nuclides are identified and their cross sections are determined. The corresponding calculated results by the MCNPX and GEANT4 codes are compared with the experimental data to check the validity of the codes. A comparison shows that the MCNPX simulation has a better agreement with the experiment. The energy dependence of residual nuclide production is studied with the aid of MCNPX simulation, and it is found that the mass yields for the nuclides in the light mass region increase significantly with the proton energy.
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Received: 28 October 2014
Published: 30 April 2015
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| PACS: |
25.40.Sc
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(Spallation reactions)
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25.70.Mn
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(Projectile and target fragmentation)
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24.10.Lx
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(Monte Carlo simulations (including hadron and parton cascades and string breaking models))
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