A Simulation of Emitted Nucleons:An Extended BUU Model

MA Yu-Gang; SHEN Wen-Qing; FENG Jun; GE Ling-Xiao; ZHAN Wen-Long; WANG Bing; ZHU Yong-Tai; ZENG Yao-Wu; ZHOU Jian-Qun; ZHANG Feng-Shou

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 1992, Vol. 16> Issue(11) : 1043-1049

A Simulation of Emitted Nucleons:An Extended BUU Model

Institute of Nuclear Research,Academia Sinica,Shanghai,2018002 Institute of Modern Physics,Academia sinica Sinica,Lanzhou,730000

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Abstract：
On the basis of the old BUU method,the neutrons and protons of the projectile and target nucleus was distinguished,meanwhile,the droplet model which included the surface diffusion parameter,neutron skin and deformation parameter etc.was considered during simulating original nucleon's distribution.Condersing the fact σ_np≈3σ_nn≈3σ_pp in intermediate energy domain,it was incorapated into the collision term of BUU.Before studying 44MeV/A ⁸⁶Kr+¹⁹⁷Au reaction by the improved BUU model,the stability of the model has been checked,then the condition of nucleons emission was defined,finally the impact parameter dependence of the abraded neutrons and protons from the projectile was obtained,so was the correlation of TLF and PLF.

References

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A. Bonasera et al., Nucl. Phys, A463(1987), 653.[2] 冯军、沈文庆等，高能物理与核物理,15(1991),322.[3] G. F. Bertsch et al., Phys. Rep., 160(1988), 189.[4] H. Stocker'et al., Phys. Rep., 137(1986), 277.[5] J. Aichelin et al., Phys. Rev., C37(1988), 2451.[6] 沈文庆等，Nucl. Phys, A491(1989), 130.[7] D. H. Boal et al., Phys. Rev., C37(1988), 91.[8] D. Guerreau et al., Phys. Lett., 131(1983), 293.[9] V. Borrel et al., Z. Phys., A324(1986), 205,[10] Y. Blumenfeld et al., Nucl. Phys., A455(1986), 357[11] F. Rami et al., Nucl. Phys., A444(1985), 325.[12] 朱全伶、葛凌霄等，高能物理与核物理,16(1991),658.

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MA Yu-Gang, SHEN Wen-Qing, FENG Jun, GE Ling-Xiao, ZHAN Wen-Long, WANG Bing, ZHU Yong-Tai, ZENG Yao-Wu, ZHOU Jian-Qun and ZHANG Feng-Shou. A Simulation of Emitted Nucleons:An Extended BUU Model[J]. Chinese Physics C, 1992, 16(11): 1043-1049.

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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

A Simulation of Emitted Nucleons:An Extended BUU Model

Corresponding author: MA Yu-Gang,

Institute of Nuclear Research,Academia Sinica,Shanghai,2018002 Institute of Modern Physics,Academia sinica Sinica,Lanzhou,730000

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1992-11-05

Abstract: On the basis of the old BUU method,the neutrons and protons of the projectile and target nucleus was distinguished,meanwhile,the droplet model which included the surface diffusion parameter,neutron skin and deformation parameter etc.was considered during simulating original nucleon's distribution.Condersing the fact σ_np≈3σ_nn≈3σ_pp in intermediate energy domain,it was incorapated into the collision term of BUU.Before studying 44MeV/A ⁸⁶Kr+¹⁹⁷Au reaction by the improved BUU model,the stability of the model has been checked,then the condition of nucleons emission was defined,finally the impact parameter dependence of the abraded neutrons and protons from the projectile was obtained,so was the correlation of TLF and PLF.