In-medium Nucleon-Nucleon Inelastic Scattering Cross Section(Ⅰ)

Mao Guangjun; Li Zhuxia; Zhuo Yizhong; Yu Ziqiang

Chinese Physics C> 1995, Vol. 19> Issue(6) : 540-547

In-medium Nucleon-Nucleon Inelastic Scattering Cross Section(Ⅰ)

China Institute of Atomic Energy,Beijing 1024131 Department of Physics Nankai Uniaertity,Tianjin 300071

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Abstract：
The explicit expressions for in-medium NN→N△ cross section are derived within the relativistic Boltzmann-Uehling-Uhlenbeck approach,which are given simultalleously with the other integrants of transport model such as the mean field, NN elastic scattering cross section as well as the transport equation itself based on the effective Lagrangian.Our results can reproduce the experimental data of free inelastic cross section nicely.The in-medium inelastic cross section is calculated up to twice nuclear matter density and is in agreement with the Dirac-Brueckner calculations.

References

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B.terHaar,R.Malfliet,Phys.Rev.,C36（1987）1611.[2]余自强、茅广军、卓益忠等，高能物理与核物理，16（1992）312.[3]茅广军、李祝霞、卓益忠等，高能物理与核物理，18增刊（1994）56.[4]S.R.deGroot,W.A.vanLeeuwen,Ch.G.vanWeert,Relativistic Kinetic Theory,North-Ho-lland:Amsterdam1980.[5]B.D.Serot,J.D.Walecka,Adv.Nucl.Phys.,16（1986）1.[6]Y.Kitazoe,M.Sano,H.Tokietal.,Phys.,Lett.,B166（1986）35.[7]G.F.Bertsh,G.E.Brown,V.Kochetal.,Nucl.Phys.,A490（1988）745.[8]F.Shimizu,Y.Kubota,H.Koisoetal,Nucl.Phys.A386（1982）571.

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Mao Guangjun, Li Zhuxia, Zhuo Yizhong and Yu Ziqiang. In-medium Nucleon-Nucleon Inelastic Scattering Cross Section(Ⅰ)[J]. Chinese Physics C, 1995, 19(6): 540-547.

Mao Guangjun, Li Zhuxia, Zhuo Yizhong and Yu Ziqiang. In-medium Nucleon-Nucleon Inelastic Scattering Cross Section(Ⅰ)[J]. Chinese Physics C, 1995, 19(6): 540-547. shu

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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

In-medium Nucleon-Nucleon Inelastic Scattering Cross Section(Ⅰ)

Corresponding author: Mao Guangjun,

China Institute of Atomic Energy,Beijing 1024131 Department of Physics Nankai Uniaertity,Tianjin 300071

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1995-06-05

Abstract: The explicit expressions for in-medium NN→N△ cross section are derived within the relativistic Boltzmann-Uehling-Uhlenbeck approach,which are given simultalleously with the other integrants of transport model such as the mean field, NN elastic scattering cross section as well as the transport equation itself based on the effective Lagrangian.Our results can reproduce the experimental data of free inelastic cross section nicely.The in-medium inelastic cross section is calculated up to twice nuclear matter density and is in agreement with the Dirac-Brueckner calculations.