NEUTRON CAPTURE GAMMA RAY SPECTRA AT LOW ENERGY

HO YU-KUN

Chinese Physics C> 1981, Vol. 5> Issue(6) : 732-740

NEUTRON CAPTURE GAMMA RAY SPECTRA AT LOW ENERGY

HO YU-KUN

Physics Department, Zhengzhou Univensity

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Abstract：
A model to calculate the neutron induced radiative capture spectra in the resonance region is proposed. Three reaction mechanisms has been taken into account, i.e. statistical processes, potential capture and the capture in the compound elastic channel. The thermal neutron capture spectra and multiple numbers of photon for some nuclei in the 3s resonance region: ⁵¹V, ⁵⁵Mn, ⁵²Cr etc. are calculated. It is shown that the including of the radiative capture in the compound elastic channel will improve obviously the coincidence of the theoretical calculations with the experiments, especially in the high energy parts of the spectra.

References

[1]

霍裕昆等,复弹性道中的辐射俘获过程,"原于核物理"待发表.[2] Proc. 3rd Int. Symp. on Neutron Capture (Iamma-Ray Spectroscopy, (Edited by R. E. Chrioa),1978.Proc. 2nd Int. Symp. on Neutron Capture (Iamma-Ray Spectroscopy And Related Topics, Petton(1974).[3] L. V. Groehev et al., Nucl. Phys., 16(1960), 645; 657.[4] A. M. Lane, Nucl. Phys., 11(1959), 625; 646.J. E. Lynn, The Theory of Neutron Resonance Reaction, Clarendoa Press, Oxford, England,1968.[5] E. :3. Troubetakoy, Phys . Rev ., 122 (1961) , 212.[6] A. Clilbert, A. G. W. Cameron, Can. J.Phys,43(1965), 1448. J. L. Cook et al., Australian J, of Phys.,20(1967), 477.[7] P. Axel, Phys, Rev., 126(1962), 871.[8] F. D. Becehetti, G. W. Greenleas, Phys. Rev,182(1969), 1190.[9] J. R. Beene, Nucl. Data Sheets,25(1978), 235.[10] R. L. Auble, Nucl, Data Sheets,20(1977), 253.[11] B. L. Auble, Nucl. Data Sheets,21(1977), 323.

[1] GUO Yun-Jun , HE Kang-Lin . Muon Identification Using the Efficiencies Ratio Method at BESⅡ. Chinese Physics C, 2007, 31(11): 1050-1055.
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HO YU-KUN. NEUTRON CAPTURE GAMMA RAY SPECTRA AT LOW ENERGY[J]. Chinese Physics C, 1981, 5(6): 732-740.

HO YU-KUN. NEUTRON CAPTURE GAMMA RAY SPECTRA AT LOW ENERGY[J]. Chinese Physics C, 1981, 5(6): 732-740. shu

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Received: 1981-03-09
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

NEUTRON CAPTURE GAMMA RAY SPECTRA AT LOW ENERGY

HO YU-KUN

Physics Department, Zhengzhou Univensity

Received Date: 1981-03-09
Accepted Date: 1900-01-01
Available Online: 1981-12-05

Abstract: A model to calculate the neutron induced radiative capture spectra in the resonance region is proposed. Three reaction mechanisms has been taken into account, i.e. statistical processes, potential capture and the capture in the compound elastic channel. The thermal neutron capture spectra and multiple numbers of photon for some nuclei in the 3s resonance region: ⁵¹V, ⁵⁵Mn, ⁵²Cr etc. are calculated. It is shown that the including of the radiative capture in the compound elastic channel will improve obviously the coincidence of the theoretical calculations with the experiments, especially in the high energy parts of the spectra.