THE SYSTEMATIC CALCULATIONS OF (n,2n) AND (n,3n) REACTION CROSS SECTIONS FOR MEDIUM-HEAVY NUCLEI AT 14.5MeV

YAO Li-Shan; ZHOU En-Chen; CAI Dun-Jiu; JI Shi-Yin

Chinese Physics C> 1988, Vol. 12> Issue(5) : 683-688

THE SYSTEMATIC CALCULATIONS OF (n,2n) AND (n,3n) REACTION CROSS SECTIONS FOR MEDIUM-HEAVY NUCLEI AT 14.5MeV

Lanzhou University,LanzhouInstitute of Atomic Energy,Beijing

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Abstract：
The (n,2n) and (n,3n) reaction processes have been studied by mechanism analysis of the neutron-induced nuclear reactions,formulae for evaluating the reduced cross section have been given.The cross sections of 14.5MeV (n,2n),(n,3n) reactions have been calculated according to the systematic method for Z=58—83 about 53 nuclei.A good agreement between the results of the systematic calculations and the experimental data has been reached.

References

[1]

S. Pearlstein, Nucl. Sci. and Eng., 23(1965), 238.[2] Wen-deh Lu et al., Phys. Rev., 61(1970), 350.[3] Wen-deh Lu et al., Phys. Rev., 64(1971), 1173.[4] E. Kondaiah, J. Phys.,A-7(1974), 1457.[5] M. Segev et al., Annalr of Nucl. Energ., 5(1978), 239.[6] M. Segev et al., Annals of Nucl. Energ., 7(1980), 577.[7] N. N. Flerov et al., J. Nucl. Energ., 4(1957), 529.

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YAO Li-Shan, ZHOU En-Chen, CAI Dun-Jiu and JI Shi-Yin. THE SYSTEMATIC CALCULATIONS OF (n,2n) AND (n,3n) REACTION CROSS SECTIONS FOR MEDIUM-HEAVY NUCLEI AT 14.5MeV[J]. Chinese Physics C, 1988, 12(5): 683-688.

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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

THE SYSTEMATIC CALCULATIONS OF (n,2n) AND (n,3n) REACTION CROSS SECTIONS FOR MEDIUM-HEAVY NUCLEI AT 14.5MeV

Corresponding author: YAO Li-Shan,

Lanzhou University,LanzhouInstitute of Atomic Energy,Beijing

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1988-10-05

Abstract: The (n,2n) and (n,3n) reaction processes have been studied by mechanism analysis of the neutron-induced nuclear reactions,formulae for evaluating the reduced cross section have been given.The cross sections of 14.5MeV (n,2n),(n,3n) reactions have been calculated according to the systematic method for Z=58—83 about 53 nuclei.A good agreement between the results of the systematic calculations and the experimental data has been reached.