A STUDY OF COMPLEX PARTICLE EMISSION IN THE PRE-EQUILIBRIUM STATISTICAL MODEL

MIAO Rong-Zhi; WU Guo-Hua

Chinese Physics C> 1986, Vol. 10> Issue(1) : 82-91

A STUDY OF COMPLEX PARTICLE EMISSION IN THE PRE-EQUILIBRIUM STATISTICAL MODEL

MIAO Rong-Zhi ^, ,
WU Guo-Hua

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Abstract：
A concept of the quasi-composite system in the process of the pre-equilibrium emission is presented in this paper. On the basis of the principle of detailed balance, the existence of the factor, [γ_βω(π_β, 0,ν_β, 0, E—U)/g_π,ν, has been proved with an account of the distinguishability between protons and neutrons. A formula for the rate of the complex particle emission in the pre-equilibrium process there by can be obtained. The theoretical calculation results fit the experimental data quite well, especially in the high energy part of the energy spectrum the agreement are much better than ever before.

References

[1]

C. K. Cline and hi. Blann., Nucl. Phys., A17 2 (1971), 225-259.[2] C. K. Cline, Nucl. Phys., A193(1972), 417-437.[3] I. Ribas et al, Phys. Lett., 45B (1973) , 318-320.[4] J. R. Wu and C. C. Chang, Phys. Rev,, 17 (1978) , 1540-1549.[5] C. Kalbach, Phys. Rev., C19(1979), 1547-1549.[6] G. Mantzouranis, H. A. Weidenmulla and D. Agassi, Z. Phys., A276(1976), 145-154.[7] I. Ribansky and S. Gmuca., Neutron Induced Reactions Proceedings of the Second InternationalSymposium. June 25-29, 1979, Smolenice.[8] A. Iwamoto and K. Harada, Phys. Rev., C26(1982), 1,821-1834.[9] 王竹溪, 统计物理导论, p. 125-128.[10] A. Bohr and B. R. Mottelsan, Nuclear Structure, p. 281-286.[11] 缪容之, 昊国华等, 高能物理与核物理, 9(1985), 95.

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MIAO Rong-Zhi and WU Guo-Hua. A STUDY OF COMPLEX PARTICLE EMISSION IN THE PRE-EQUILIBRIUM STATISTICAL MODEL[J]. Chinese Physics C, 1986, 10(1): 82-91.

MIAO Rong-Zhi and WU Guo-Hua. A STUDY OF COMPLEX PARTICLE EMISSION IN THE PRE-EQUILIBRIUM STATISTICAL MODEL[J]. Chinese Physics C, 1986, 10(1): 82-91. 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

A STUDY OF COMPLEX PARTICLE EMISSION IN THE PRE-EQUILIBRIUM STATISTICAL MODEL

MIAO Rong-Zhi ^,
WU Guo-Hua

Corresponding author: MIAO Rong-Zhi,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1986-02-05

Abstract: A concept of the quasi-composite system in the process of the pre-equilibrium emission is presented in this paper. On the basis of the principle of detailed balance, the existence of the factor, [γ_βω(π_β, 0,ν_β, 0, E—U)/g_π,ν, has been proved with an account of the distinguishability between protons and neutrons. A formula for the rate of the complex particle emission in the pre-equilibrium process there by can be obtained. The theoretical calculation results fit the experimental data quite well, especially in the high energy part of the energy spectrum the agreement are much better than ever before.