A SYSTEMATIC STUDY OF (n, 2n) CROSS SECTION AT 14MeV

YAO Li-Shan; ZHOU En-Chen; CAI Dun-Jiu

Chinese Physics C> 1987, Vol. 11> Issue(4) : 533-542

A SYSTEMATIC STUDY OF (n, 2n) CROSS SECTION AT 14MeV

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The experimental (n, 2n) cross sections around 14MeV have been collected, analyzed, and evaluated Data were taken from 124 nuclei for A=19—209 up to the end of 1984. Relation between σ_n, 2_n and (N—Z)/A has been studied. No neutron shell effect is found. The cross sections for some nuclei have been calculated by using a statistical theory. The good agreement with the experimental σ_n, 2_n at 14MeV has been obtained in terms of a single set of fitting parameters.

References

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M. Bormann, Nucl. Phys., 65(1965), 257.[2] M. Bormann et al., Nucl. Phys., A130 (1969), 195.[3] S. Chatterjee et al., Nucl. Phys., A125, (1969), 593.[4] L. G. Meretto, Nucl. Phys., A180 (1972), 337.[5] L. G. Meretto, Nucl. Phys., A182 (1972), 641.[6] Radiation Lab. of Shanghai Scien. Tech. Univ., National 5th Conf. on Nucl. Phys., Chengdu (1982).[7] P. Hille; Nucl.Phys., A107(19b8), 49.[8] S. Qaim, Nucl. Phys., A185 (1972), 614:[9] Wen-deh Lu et al., Phys. Rev., (1970), 350:[10] R. A. Sigg et al.; J. lnorg. Nucl. Chem., 37(1975), 631:[11] S. L. Sothras et al, J. Inorg. Nucl. Chem., 40(1978), 585.[12] E. Kondaiah, J. Phys., A7 (1974), 1457.[13] S. Pearlstein; Nucl, Sci. Eng., 23(1965), 238.[14] N. N. Abdelmalek et al., Nucl. Phys.; 56 (1964), 601.[15] A. . H. Wapstra et al., Atomic Data and Nuclear Data Tables, 19(1977), 215.[16] N: N. Flerov et al., J. Nucl. Energy; 4(1957), 529.[17] D. W. Barn et al., .Phys. Rev., 123(1961), 859.[18] S. Pearlstein, J. Nucl. Energy, 27(1973), 81.

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YAO Li-Shan, ZHOU En-Chen and CAI Dun-Jiu. A SYSTEMATIC STUDY OF (n, 2n) CROSS SECTION AT 14MeV[J]. Chinese Physics C, 1987, 11(4): 533-542.

YAO Li-Shan, ZHOU En-Chen and CAI Dun-Jiu. A SYSTEMATIC STUDY OF (n, 2n) CROSS SECTION AT 14MeV[J]. Chinese Physics C, 1987, 11(4): 533-542. 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 SYSTEMATIC STUDY OF (n, 2n) CROSS SECTION AT 14MeV

Corresponding author: YAO Li-Shan,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1987-08-05

Abstract: The experimental (n, 2n) cross sections around 14MeV have been collected, analyzed, and evaluated Data were taken from 124 nuclei for A=19—209 up to the end of 1984. Relation between σ_n, 2_n and (N—Z)/A has been studied. No neutron shell effect is found. The cross sections for some nuclei have been calculated by using a statistical theory. The good agreement with the experimental σ_n, 2_n at 14MeV has been obtained in terms of a single set of fitting parameters.