RADIATIVE CAPTURE IN THE INELASTIC CHANNEL OF THE COMPOUND NUCLEUS

LIU Jian-Feng; HUO Yu-Kun

Chinese Physics C> 1983, Vol. 7> Issue(3) : 355-360

RADIATIVE CAPTURE IN THE INELASTIC CHANNEL OF THE COMPOUND NUCLEUS

LIU Jian-Feng ^, ,
HUO Yu-Kun

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Abstract：
In this paper, the radiative capture in the inelastic channel of the compound nucleus is discussed.
Starting from the S-matrix theory, the calculation formular for this situation is derived. Then connected with the optical model and Hauser-Feshbach's statistical theory with the width fluctuation correction, a formular convenient for calculations is given.
Making use of the formular obtained above, the numerical calculations are made for the average cross-section of ⁵¹V and other nuclei, and the comparison with the statistical (n, γ) and (n, n′) cross sections is made.
The results show that if the incident energies of the neutron are large enough to open the inelastic channel, the cross sections of this process will have the same order of magnitude as the statistical cross sections. Hence it is an important mechanism in the (n, γ) reactions.

References

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霍裕昆等, 复弹性道中的辐射俘获过程, 原子核物理, 1(1982), 35.[2] 霍裕昆, 高能物理与核物理, 5(1981), 732.[3] A. M. Lane, J. E. Lynn, Nucl. Phys., 11(1959), 646.[4] G. E. Brown, Nucl. Phys., 57(1964), 339.[5] C. F. Clement, Nucl. Phys., 66(1965), 273[6] 苏宗涤等, 高能物理与核物理, 3(1979),80,[7] M. E. 洛斯, 《角动t理论》.[8] F. D. Becchetti, G. W. Greenlees, Phys. Rev., 182(1969), 1190.[9] A. Gilbert, A. G. W. Cameron, Can. J. Phys., 43(1965), 1446.

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LIU Jian-Feng and HUO Yu-Kun. RADIATIVE CAPTURE IN THE INELASTIC CHANNEL OF THE COMPOUND NUCLEUS[J]. Chinese Physics C, 1983, 7(3): 355-360.

LIU Jian-Feng and HUO Yu-Kun. RADIATIVE CAPTURE IN THE INELASTIC CHANNEL OF THE COMPOUND NUCLEUS[J]. Chinese Physics C, 1983, 7(3): 355-360. 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

RADIATIVE CAPTURE IN THE INELASTIC CHANNEL OF THE COMPOUND NUCLEUS

LIU Jian-Feng ^,
HUO Yu-Kun

Corresponding author: LIU Jian-Feng,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1983-06-05

Abstract: In this paper, the radiative capture in the inelastic channel of the compound nucleus is discussed.
Starting from the S-matrix theory, the calculation formular for this situation is derived. Then connected with the optical model and Hauser-Feshbach's statistical theory with the width fluctuation correction, a formular convenient for calculations is given.
Making use of the formular obtained above, the numerical calculations are made for the average cross-section of ⁵¹V and other nuclei, and the comparison with the statistical (n, γ) and (n, n′) cross sections is made.
The results show that if the incident energies of the neutron are large enough to open the inelastic channel, the cross sections of this process will have the same order of magnitude as the statistical cross sections. Hence it is an important mechanism in the (n, γ) reactions.