Cross Section Measurements for(n,2n)Reactions on Neodymium Isotopes at the Neutron Energies of 13.5,14.1 and 14.6 MeV

  • The cross sections for (n,2n) reaction are measured on Neodymium isotopes at the neutron energies of 13.5-14.6MeV using activation technique.The cross section data for the reactions of 150Nd(n,2n)149Nd,148Nd(n,2n)147Nd and 142Nd(n,2n)141Nd are reported.The cross sections of 150Nd(n,2n)149Nd reaction are 2037±85,1737±68 and 1657±65mb at 13.5±0.2,14.1±0.1 and 14.6±0.2MeV respectively.The cross sections of 148Nd(n,2n)147Nd reaction are 1394±58,1416±54 and 1956±76mb at 13.5±0.2,14.1±0.1 and 14.6±0.2MeV respectively.The cross sections of 142Nd(n,2n)141Nd reaction are 1501±59,1623±62 and 1764±111mb at 13.5±0.2,14.1±0.1 and 14.6±0.2MeV respectively.The neutron fluences are determined by the cross sections of 93Nb(n,2n)92mNb reaction.The comparison between the present results and the previously published data is made.
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  • [1] . Frehaut J et al . 5th Sem. on Interact . Of Fast Neutrons ,Gaussig ,19752. Qaim S M. Nuclear Physics ,1974 ,A 224 :3193. Kumabe I ,Kotake E ,Nagahama F. J . of Nuclear Science and Technology ,1977 ,14 :3194. Kasugai Y, Ikeda Y,Uno Y. Conf . on Nucl . Data for Sci . and Techn. ,Trieste ,19975. Lakshmana Das N , Srinivase Rao C V , Thirumala Rao B V. J . RamaRao ,17th Nucl . and Solid State Physics Symp. ,Bombay ,19746. Gmuca S ,Ribansky I. Acta Physica Slovaca ,1983 ,33 :97. An Jong Do et al . J . of Physics ,Part G. ,1984 ,10 :918. Qaim S M. Radiochem. and Radioanal .Letters ,1976 ,25 :3359. Rama Prasad P , Rama Rao J , Kondaiah E. Nuclear Physics , 1969 , A125 :5710. Bari A. Dissertation Abstracts (Sciences) ,1972 , B 32 :50911. Sothras S L ,Salaita G N. J . of Inorganic and Nuclear Chemistry ,1978 ,40 :58512. Sothras S ,Dissertation Abstracts (Sciences) ,1978 , B 38 :28013. Havlik E. Acta Physica Austriaca ,1971 ,34 :20914. Robertston J C ,Audric B , Kolkowski P. Journal of Nuclear Energy ,1973 ,27 :53115. Sakane H et al . INDC(JPN)2178/ U ,1996 ,19316. Levis V E ,Zieba KJ . Nucl . Instrum.Methods ,1980 ,174 :14117. Brone E ,Firestone R B. Table of Radioactive Isotopes ,USA ,199618. WANG Yong-Chang ,YUANJun-Qian ,REN Zhong-Liang et al . High Energy Phys. and Nucl . Phys. ,1991 ,15 :73 (in Chinese)(王永昌,袁俊谦,任忠良等人. 高能物理与核物理,1991 ,15 :73)19. Filatenkov A A ,Chuvaev A V ,Aksenov V N et al . RI-252 ,1999
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PU Zhong-Sheng, KONG Xiang-Zhong and WEI Guo-Cong. Cross Section Measurements for(n,2n)Reactions on Neodymium Isotopes at the Neutron Energies of 13.5,14.1 and 14.6 MeV[J]. Chinese Physics C, 2004, 28(9): 958-960.
PU Zhong-Sheng, KONG Xiang-Zhong and WEI Guo-Cong. Cross Section Measurements for(n,2n)Reactions on Neodymium Isotopes at the Neutron Energies of 13.5,14.1 and 14.6 MeV[J]. Chinese Physics C, 2004, 28(9): 958-960. shu
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Cross Section Measurements for(n,2n)Reactions on Neodymium Isotopes at the Neutron Energies of 13.5,14.1 and 14.6 MeV

    Corresponding author: PU Zhong-Sheng,
  • Department of Physics,Lanzhou University of Technology,Lanzhou 730050,China2 Department of Modern Physics,Lanzhou University,Lanzhou 730000,China

Abstract: The cross sections for (n,2n) reaction are measured on Neodymium isotopes at the neutron energies of 13.5-14.6MeV using activation technique.The cross section data for the reactions of 150Nd(n,2n)149Nd,148Nd(n,2n)147Nd and 142Nd(n,2n)141Nd are reported.The cross sections of 150Nd(n,2n)149Nd reaction are 2037±85,1737±68 and 1657±65mb at 13.5±0.2,14.1±0.1 and 14.6±0.2MeV respectively.The cross sections of 148Nd(n,2n)147Nd reaction are 1394±58,1416±54 and 1956±76mb at 13.5±0.2,14.1±0.1 and 14.6±0.2MeV respectively.The cross sections of 142Nd(n,2n)141Nd reaction are 1501±59,1623±62 and 1764±111mb at 13.5±0.2,14.1±0.1 and 14.6±0.2MeV respectively.The neutron fluences are determined by the cross sections of 93Nb(n,2n)92mNb reaction.The comparison between the present results and the previously published data is made.

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