Results of new cross section measurements are presented for the following neutron-induced reactions : 178Hf(n,alpha)175Yb, 180Hf(n,alpha)177Yb, 177Hf(n,p)177Lug, 178Hf(n,x)177Lug, 180Hf(n,p)180Lu, 180Hf(n,n'gamma)180Hfm, 174Hf(n,2n)173Hf, 176Hf(n,2n)175Hf, and 177Hf(n,3n)175Hf obtained with activation technique. The irradiations were carried out at the 7-MV Van de Graaff accelerator at IRMM, Geel. Quasi monoenergetic neutrons with energies between 14.8 and 20.5 MeV were produced via the 3H(d,n)4He reaction at Ed = 1, 1.4, 2, 3, and 4 MeV. The 3H(p,n)3He reaction was employed for the production of neutrons in the 2-3 MeV energy range. Both natural and enriched samples were used to facilitate correction for interference between reactions leading to the same product. The radioactivity of the samples was determined by standard gamma-ray spectrometry using HPGe detector. The current measurements are compared with the data from other authors and Evaluated Nuclear Data Files. Cross sections for three of the studied reactions are reported for the first time.
SEMKOVA Valentina;
JANEVA N.;
KOYUMDJIEVA N.;
JAIME TORNIN R.;
MOENS Andre;
PLOMPEN Arjan;
VOLEV Konstantin;
2011-08-26
KOREAN PHYSICAL SOC
JRC59253
0374-4884,
https://publications.jrc.ec.europa.eu/repository/handle/JRC59253,
10.3938/jkps.59.1737,
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