Microscopic Calculation of Nucleon-Nucleon Cross Section in Nuclear Medium Within BHF Approach

Cai Yanhuang; Song Hongqiu

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2024年10月30日

Chinese Physics C> 1996, Vol. 20> Issue(10) : 945-949

Microscopic Calculation of Nucleon-Nucleon Cross Section in Nuclear Medium Within BHF Approach

Cai Yanhuang ^, ,
Song Hongqiu

Institute of Nuclear Research, The Chinese Academy of Sciences, Shanghai 2018001 INFN Sezion and Dipartimento di Fisica, Catania. Italy 57, Corso Italia, 95129 Catania, Italy

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Abstract：
Within the framework of Brueckner-Hartree-Fock (BHF) method, the total inmedium N-N cross section is calculated. A separable Paris potential for the N-N interaction and a continuous choice for the single particle spectrum are used. It is found that the in-medium cross section is strongly modified with increasing nuclear density, in particular at low energy. Some discussions and comparisons are also given.

References

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C. Dechanoine-Leluc,F.Lehar,Rev.Mod.Phys,65（1993）47.[2] T. Faessler,Nucl Phys,A495（1989）103c;A.Bohnet,N. Ohtsuka et al,Nucl Phys,A494（1989）349.[3] B.terHaar,R.Malfliet,Phys.Rev,C36（1987）1611.[4] G.Q.Li,R.Machleidt,Phys. Rev,C48（1993）1702.[5] B.D.Day,R.B.Wiringa,Phys.Rev.,C92（1985）1057;B.D.Day,Nucl.Phys,A328（1979）1.[6] J.P.Jeukenne,A.Lejeune,C.Mahaux,Phys.Rep,C25（1976）83;P.Grange,A.Lejeune,Nucl.Phys,A327（1979）327.[7] M.Baldo,I.Bombaci et al,Phys Lett,B209（1988）135;I.Bombaci,U.Lombardo,Phys.Rev.,C44（1991）1892.[8] J.Haidenbauer Plessas,Phys Rev.,C30（1984）1822;C32（1985）1424.[9] M.Baldo,I.Bombaci et al.Phys. Rev.,C43（1991）2605.[10] M.Baldo,I.Bombaci et al,Phys. Rev,C41（1990）1748;C.Mahaux,R.Sartor,in Nuclear Matter and Heavy-Ion Collisions,edited by H.Flocard,M.Soyeur（Plenum,NewYork,1990）.

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Cai Yanhuang and Song Hongqiu. Microscopic Calculation of Nucleon-Nucleon Cross Section in Nuclear Medium Within BHF Approach[J]. Chinese Physics C, 1996, 20(10): 945-949.

Cai Yanhuang and Song Hongqiu. Microscopic Calculation of Nucleon-Nucleon Cross Section in Nuclear Medium Within BHF Approach[J]. Chinese Physics C, 1996, 20(10): 945-949. 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

Microscopic Calculation of Nucleon-Nucleon Cross Section in Nuclear Medium Within BHF Approach

Cai Yanhuang ^,
Song Hongqiu

Corresponding author: Cai Yanhuang,

Institute of Nuclear Research, The Chinese Academy of Sciences, Shanghai 2018001 INFN Sezion and Dipartimento di Fisica, Catania. Italy 57, Corso Italia, 95129 Catania, Italy

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1996-10-05

Abstract: Within the framework of Brueckner-Hartree-Fock (BHF) method, the total inmedium N-N cross section is calculated. A separable Paris potential for the N-N interaction and a continuous choice for the single particle spectrum are used. It is found that the in-medium cross section is strongly modified with increasing nuclear density, in particular at low energy. Some discussions and comparisons are also given.