Study on the Giant Dipole Resonance Model for γ Production Mechanisms Induced by Fast Nutrons in the Nuclear Mass Region 180≤A≤210

LIU Jian-Feng; JIA Min; ZHAO Wei-Juan

Chinese Physics C> 2003, Vol. 27> Issue(5) : 430-435

Study on the Giant Dipole Resonance Model for γ Production Mechanisms Induced by Fast Nutrons in the Nuclear Mass Region 180≤A≤210

Department of Physics,Zhengzhou University,Zhengzhou 450052,China

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Abstract：
The subjects related to the giant dipole resonance model for the γ production mechanisms induced by fast neutrons have been studied in the nuclear mass region 180≤A≤210.It contains the difference between the γ-ray strength functions of the cascad γ deexcitation processes in the (n,γ)and (n,n′γ)reactions as well as the variation tendency of the reaction cross section ratios between the direct-semidirect radiative captures and the compound nucleus statistical processes with the incident energies, nuclear mass numbers and the nuclear shells. The numerical calculations and the comparisons with the experimental values for ¹⁸¹Ta,Au and ²⁰⁸Pb have been done in the nentron incident energy region from 1 MeV to 20MeV. The analyses and discussions to the results have also been given.

References

[1]

Axel P.Phys.Rev.,1962,126:6712 Kopecky J.Gamma-Ray Strength Functions,in:Oblozinsky P.Hand-book for calculations of nuclear Data.Vienna:the IAEA ,1998.97—1113　DING Da-Zhao.Progress in Neutron Radiative Capture Stuty.Nuclear Physics.Material Compilation of the Conference in 1978.Beijing:Atomic Energy Press,1979,292—306(in China)　　(丁大钊.中子辐射俘获研究进展.原子核物理,1978年会议资料选编,北京:原子能出版社,1979,292—306)4 LIU Jian-Feng et al.High Energy Phys.and Nucl.Phys.,2001,25(10):994(in Chinese)(刘建峰等.高能物理与核物理,2001,25(10):994)5 Allen B J et al.Advanced in nucl.Phys.,1978,10:1296 HUO Yu–kun et al.Nucl.Phys.,1983,A406:17 LIU Jian–Feng et al.High Energy Phys.and Nucl.Phys.,1983,7(3):355(in Chinese)(刘建峰等.高能物理与核物理,1983,7(3):355)8 LIU Jian–Feng et al.High Energy Phys.and Nucl.Phys.,1991,15(4):349(in Chinese)(刘建峰等.高能物理与核物理,1991,15(4):349)9 LIU Jian–Feng et al.Chinese Physics,1988,2:45510 HUOYu–Kun et al.High Energy Phys.and Nucl.Phys.,1989,13(5):465(in Chinese)(霍裕昆等.高能物理与核物理,1989,13(5):465)11 Potokar M et al.Nucl.Phys.,1977,A227:2912 Potokar M.Physics Letters,1973,3:34613 Ajzenberg–selove F.Nucl.Phys.,1984,A413:114 Becchetti F D et al.Phys.Rev.,1969,182:119015 Gilbert A ,Cameron A G W.Can.J.Phys.,1965,43:144616 Dietrich S S et al.Atomic Data and Nuclear Data Tables,1988,38:19917 EXFOR(Exchange FORmat),computerized system for the storage,re trieval and international exchange of experimental nuclear reaction data,coordinated by the IAEA Nuclear Data Section

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[19]	Fu De-ji , Xia Ke-ding . THE PYGMY RESONANCE AND SPIN-ISOSPIN OSCILLATION IN THE MASS REGION (A≤208). Chinese Physics C, 1980, 4(2): 228-235.
[20]	YU YOU-WEN , TZU HSI-CHUEN , WU WEI-FANG . FINE STRUCTURE OF THE GIANT DIPOLE RESONACE IN ¹⁶O. Chinese Physics C, 1978, 2(3): 280-284.

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LIU Jian-Feng, JIA Min and ZHAO Wei-Juan. Study on the Giant Dipole Resonance Model for γ Production Mechanisms Induced by Fast Nutrons in the Nuclear Mass Region 180≤A≤210[J]. Chinese Physics C, 2003, 27(5): 430-435.

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Received: 2002-11-08
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Study on the Giant Dipole Resonance Model for γ Production Mechanisms Induced by Fast Nutrons in the Nuclear Mass Region 180≤A≤210

Corresponding author: LIU Jian-Feng,

Department of Physics,Zhengzhou University,Zhengzhou 450052,China

Received Date: 2002-11-08

Accepted Date: 1900-01-01

Available Online: 2003-05-05

Abstract: The subjects related to the giant dipole resonance model for the γ production mechanisms induced by fast neutrons have been studied in the nuclear mass region 180≤A≤210.It contains the difference between the γ-ray strength functions of the cascad γ deexcitation processes in the (n,γ)and (n,n′γ)reactions as well as the variation tendency of the reaction cross section ratios between the direct-semidirect radiative captures and the compound nucleus statistical processes with the incident energies, nuclear mass numbers and the nuclear shells. The numerical calculations and the comparisons with the experimental values for ¹⁸¹Ta,Au and ²⁰⁸Pb have been done in the nentron incident energy region from 1 MeV to 20MeV. The analyses and discussions to the results have also been given.

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Study on the Giant Dipole Resonance Model for γ Production Mechanisms Induced by Fast Nutrons in the Nuclear Mass Region 180≤A≤210

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