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《中国物理C》(英文)编辑部
2024年10月30日

Studies on Energy Spectra of Outgoing Particles in (p,Pb),(p,Bi),(p,Hg) Reactions in Energy Range up to 250MeV

  • Reactions of bombarding important target materials in the Accelerator Driven System (ADS), such as 204Pb,206Pb,207Pb,208Pb, 209Bi,196Hg,198Hg,199Hg, 200Hg,201Hg,202Hg and 204Hg etc., with protons are calculated in terms of the optical model, the intra-nuclear cascade mechanism for nucleon emission, the pre-equilibrium theory based on exciton model, the evaporation model, the pick-up mechanism and the direct reaction theory in the energy range up to 250MeV. In particular, the cross sections of the (p,kn), and (p,kpkn) reactions and the spectra of particle emissions are studied. The calculations show that the pre-equilibrium (including cascade) mechanism is much stronger than the other mechanisms in the higher energy region. The parameter DK of the exciton model and ccg1 in the single particle energy density dominate the shapes of the cross section curves of the (p,kn) and (p,kpkn) reactions and the energy spectra of emitting protons and neutrons. The pick-up mechanism plays an important role in emitting composite particles (α,D,T,3He).
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  • [1] . DING Da-Zhao. A New Option for Exploitage of FutureNuclear Energy|Accelerator Driven Radioactive CleanNuclear Power System. In: ZHAO Zhi-Xiang ed. A Corpuson Conceptual Research on Accelerator Driven Radioac-tive Clean Nuclear Power System. Beijing: Nuclear EnergyPress, 2000.3(in Chinese)(丁大钊.未来核能利用的方案探讨--加速器驱动放射性洁净核能系统.见:赵志祥.加速器驱动放射性洁净核能系统概念研究论文集.北京:原子能出版社,2000.3)2. Chadwick M B, Young P G, Chiba S et al. Nucl. Sci. andEng., 1999, 131: 2933. YONG P G, Chadwick M B. International Conference onNuclear Data for Science and Technology, Trieste, 1997,59: 14684. ZHANG Zheng-Jun, SEHN Qing-Biao, HAN Yin-Lu et al.HEP NP, 2002, 26(6): 600-606(in Chinese)(张正军,中庆彪,韩银录等,高能物理与核物理,2002, 26(6):600-606)5. ZHANG Zheng-Jun, SUN Xiu-Quan, CAI Chong-Hai et al.Nuclear Science and Engineering, 2003, 143(1): 90-986. HAN Yin-Lu, ZHANG Zheng-Jun. Nucl. Phys., 2005,A753: 53-827. Iwmoto A, Harada K. Phys. Rev., 1982, C26: 1821;ZHANG J, YAN S, WANG S et al. Commun. Theor. Phys.,1988, 10: 33; SHEN Qing-Biao. Nucl. Sci. and Eng., 1994,117: 998. CAI Chong-Hai. Nucl. Sci. and Eng., 2006, 153(1): 93-979. SHEN Qing-Biao. Nucl. Sci. and Eng., 2002, 141: 78-8110. Ridley W D, Forster H H, Gigas G G. Nucl. Phys., 1962,35(4): 617-62411. Fulmer C B, Ball J B, Scott A et al. Phys. Rev., 1969,181(4): 1565-157912. Comparat V, Frascartria R, Marty N et al. Nucl. Phys.,1974, A221(2): 403-41313. Djalali C, Marty N, Morlet M et al. Nucl. Phys., 1982,A380: 42-6014. Hutcheon A D, Cameron J M, Liljestrand R P. C 80santaFe, 1980, 454
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Get Citation
ZHANG Zheng-Jun, HAN Yin-Lu, SHEN Qing-Biao and CAI Chong-Hai. Studies on Energy Spectra of Outgoing Particles in (p,Pb),(p,Bi),(p,Hg) Reactions in Energy Range up to 250MeV[J]. Chinese Physics C, 2007, 31(5): 464-469.
ZHANG Zheng-Jun, HAN Yin-Lu, SHEN Qing-Biao and CAI Chong-Hai. Studies on Energy Spectra of Outgoing Particles in (p,Pb),(p,Bi),(p,Hg) Reactions in Energy Range up to 250MeV[J]. Chinese Physics C, 2007, 31(5): 464-469. shu
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Received: 2006-09-15
Revised: 2006-11-24
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Studies on Energy Spectra of Outgoing Particles in (p,Pb),(p,Bi),(p,Hg) Reactions in Energy Range up to 250MeV

    Corresponding author: ZHANG Zheng-Jun,
  • Department of Physics, Northwest University, Xi'an 710069, China2 Xi'an Institute of Optics and Precisions Mechanics, Xi'an 710068, China3 China Institute of Atomic Energy, Beijing 102413, China4 Department of Physics, Nankai University, Tianjin 300071,China

Abstract: Reactions of bombarding important target materials in the Accelerator Driven System (ADS), such as 204Pb,206Pb,207Pb,208Pb, 209Bi,196Hg,198Hg,199Hg, 200Hg,201Hg,202Hg and 204Hg etc., with protons are calculated in terms of the optical model, the intra-nuclear cascade mechanism for nucleon emission, the pre-equilibrium theory based on exciton model, the evaporation model, the pick-up mechanism and the direct reaction theory in the energy range up to 250MeV. In particular, the cross sections of the (p,kn), and (p,kpkn) reactions and the spectra of particle emissions are studied. The calculations show that the pre-equilibrium (including cascade) mechanism is much stronger than the other mechanisms in the higher energy region. The parameter DK of the exciton model and ccg1 in the single particle energy density dominate the shapes of the cross section curves of the (p,kn) and (p,kpkn) reactions and the energy spectra of emitting protons and neutrons. The pick-up mechanism plays an important role in emitting composite particles (α,D,T,3He).

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