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Neutron-Induced Capture Cross Sections via the Surrogate Reaction Method
G. Boutoux,B. Jurado,V. Meot,M. Aiche,A. Bail,G. Barreau,E. Bauge,J. T. Burke,N. Capellan,I. Companis,S. Czajkowski,J.M. Daugas,D. Dassie,X. Derkx,T. Faul,B. Haas,L. Gaudefroy,F. Gunsing,I. Matea,P. M 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
The surrogate reaction method is an indirect way of determining cross sections for nuclear reactions that proceed through a compound nucleus. This technique enablesneutron-induced cross sections to be extracted for nuclear reactions on short-lived unstable nuclei that otherwise can not be measured. This technique has been succesfully applied to determine the neutron-induced fission cross sections of several short-lived nuclei. In this work we investigate whether this powerful technique can also be used to determine of neutron-induced capture cross sections. For this purpose we use the surrogate reaction ^(174)Yb(^3He,pγ)^(176)Lu to infer the well known ^(175)Lu(n,γ) cross section and compare the results with the directly measured neutron-induced data. This surrogate experiment has been performed in March 2010. The experimental technique used and the first preliminary results will be presented.