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|Title:||Light Charged-Particle Production Activation Cross Sections of Zr Isotopes from 14 to 20 MeV|
|Authors:||SEMKOVA Valentina; PLOMPEN ARJAN; SMITH D. L.|
|Citation:||AIP Conference Proceedings ND 2004 vol. 769 p. 981-984|
|Publisher:||American Institute of Physics|
|JRC Publication N°:||JRC34227|
|Type:||Contributions to Conferences|
|Abstract:||Results of new cross-section measurements are presented for the following neutron-induced reactions: 90Zr(n,alpha )87mSr, 90Zr(n,p)90mY, 91Zr(n,p)91mY, 91Zr(n,x)90mY, 92Zr(n,p)92Y, 92Zr(n,x)91mY, 94Zr(n, )91Sr, and 94Zr(n,p)94Y in the energy range from 14 to 21 MeV. Use was made of the activation technique in combination with high-resolution gamma-ray spectrometry. The irradiations were carried out at the 7-MV Van de Graaff accelerator at IRMM, Geel. Quasi-monoenergetic neutrons were produced via the 3H(d,n)4He reaction at 1, 2, 3, and 4 MeV incident deuteron energy. Both natural and samples enriched in 90Zr, 91Zr, and 92Zr were used to enhance the reaction yield or to facilitate correction for interfering reactions leading to the same product. The measured results are compared with work by other authors, TALYS-0.57 and EMPIRE-II model calculations, and current evaluated data files. Cross sections for all of the investigated reactions have been measured for the first time above 16 MeV.|
|JRC Institute:||Institute for Reference Materials and Measurements|
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