STUDY OF ASSOCIATED GAMMA RAY FROM NIOBIUM UNDER 14.9MeV NEUTRON BOMBARDMENTS

ZHOU Hong-Yu; YAN Yi-Ming; FAN Guo-Ying; LAN Li-Qiao; SUN Shu-Xu; WANG Qi; HAN Ming; HAN Chong-Zhan; LIU Shu-Zhen; RONG Ya-Ning; WEN Chen-Lin; WANG Xin-Fu; YANG Hua; WANG Wan-Hong; TANG Lin

Chinese Physics C> 1989, Vol. 13> Issue(2) : 173-183

STUDY OF ASSOCIATED GAMMA RAY FROM NIOBIUM UNDER 14.9MeV NEUTRON BOMBARDMENTS

Institute of Low Energy Nuclear Physics,Beijing Normal University2 Department of Mathematical and Physical Sciences,National Science Foundation of China,Beijing

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Abstract：
The gamma ray spectra from niobium under 14.9MeV neutron bombardments were neasured by means of a pulsed T(d,n)⁴He neutron source,associated particle method,Ge(Li) detector and time-of-flight technique at 7 angles between 30°and 140°.79 gamma lines were determined by a high resolution gamma spectrum analysis program,and reaction types and transition levels of 62 lines were rudely assigned.There were 40 ones of 79 lines,which were first found in reactions induced by neutrons.The differential cross sections of every gamma line at 7 angles were determined.It is shown that associated gamma ray emission from this reaction are basically asotropic.

References

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ZHOU Hong-Yu, YAN Yi-Ming, FAN Guo-Ying, LAN Li-Qiao, SUN Shu-Xu, WANG Qi, HAN Ming, HAN Chong-Zhan, LIU Shu-Zhen, RONG Ya-Ning, WEN Chen-Lin, WANG Xin-Fu, YANG Hua, WANG Wan-Hong and TANG Lin. STUDY OF ASSOCIATED GAMMA RAY FROM NIOBIUM UNDER 14.9MeV NEUTRON BOMBARDMENTS[J]. Chinese Physics C, 1989, 13(2): 173-183.

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Received: 1900-01-01
Revised: 1900-01-01

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

STUDY OF ASSOCIATED GAMMA RAY FROM NIOBIUM UNDER 14.9MeV NEUTRON BOMBARDMENTS

Corresponding author: ZHOU Hong-Yu,

Institute of Low Energy Nuclear Physics,Beijing Normal University2 Department of Mathematical and Physical Sciences,National Science Foundation of China,Beijing

Received Date: 1900-01-01

Accepted Date: 1900-01-01

Available Online: 1989-02-05

Abstract: The gamma ray spectra from niobium under 14.9MeV neutron bombardments were neasured by means of a pulsed T(d,n)⁴He neutron source,associated particle method,Ge(Li) detector and time-of-flight technique at 7 angles between 30°and 140°.79 gamma lines were determined by a high resolution gamma spectrum analysis program,and reaction types and transition levels of 62 lines were rudely assigned.There were 40 ones of 79 lines,which were first found in reactions induced by neutrons.The differential cross sections of every gamma line at 7 angles were determined.It is shown that associated gamma ray emission from this reaction are basically asotropic.

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STUDY OF ASSOCIATED GAMMA RAY FROM NIOBIUM UNDER 14.9MeV NEUTRON BOMBARDMENTS

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