S. Chasapoglou, M. Axiotis, G. Gkatis, S. Harissopulos, M. Kokkoris, A. Lagoyannis, C. Lederer-Woods, V. Michalopoulou, M. Savva, I. Stamatelatos, A. Stamatopoulos, T. Vasilopoulou, R. Vlastou
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引用次数: 1
摘要
Τhe 70Ge(n,2n)69Ge、72Ge(n,a)69mZn、72Ge(n,p)72Ga和73Ge(n,p)73Ga反应在中子能17.9 MeV下进行了活化测量。在NCSR“Demokritos”的5.5 MV串联Van de Graaff加速器上，通过2H(d,n)3He反应产生准单能中子束。使用了由欧洲核子研究中心nTOF合作提供的同位素高度富集的70Ge、72Ge和73Ge靶，因此可以实现精确的横截面测量，因为在使用天然Ge靶时不需要校正邻近同位素的寄生反应。推导了27Al(n，α)24Na参考反应的截面。
Cross Section Measurements of (n,x) Reactions at 17.9 MeV Using Highly Enriched Ge Isotopes
Τhe 70Ge(n,2n)69Ge, 72Ge(n,a)69mZn, 72Ge(n,p)72Ga and 73Ge(n,p)73Ga reactions have been measured by means of the activation technique at neutron energy 17.9 MeV. The quasimonoenergetic neutron beam was produced via the 2H(d,n)3He reaction at the 5.5 MV Tandem Van de Graaff accelerator of NCSR “Demokritos.” Isotopically highly enriched targets of 70Ge, 72Ge and 73Ge, provided by the nTOF collaboration at CERN, have been used, thus allowing accurate cross section measurements since no corrections are needed to compensate for the parasitic reactions from neighboring isotopes that exist in the case of using natural Ge target. The cross section has been deduced with respect to the 27Al(n,α)24Na reference reaction.
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