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Licensed Unlicensed Requires Authentication Published by De Gruyter (O) September 25, 2009

Determination of nuclear constants of reactions induced on zinc by short irradiations with the epithermal and fast components of a reactor neutron spectrum

  • Isaac M. Cohen , S. Ribeiro Guevara , M. A. Arribére , María C. Fornaciari Iljadica , A. J. Kestelman , R. A. Ohaco , M. S. Segovia and A. N. Yunes
From the journal Radiochimica Acta

Summary

Cross sections, averaged over a 235U fission neutron spectrum, of some threshold reactions induced on zinc after short irradiations, have been measured. The studied reactions and the corresponding values are: 64Zn(n, p) 64Cu, (37.4 ± 1.4) mb; 64Zn(n, 2n) 63Zn, (23.4 ± 2.0) μb; 66Zn(n, p) 66Cu, (0.775 ± 0.079) mb; 68Zn(n, p)68mCu, (5.32 ± 0.65) μb; and 68Zn(n, α) 65Ni, (52.1 ± 2.3) μb, all referred to the cross section of the 27Al(n, p) 27Mg standard reaction, (3.84 ± 0.18) mb. Working values for the resonance integrals of the reactions 70Zn(n, γ) 71Zn and 70Zn(n, γ)71mZn, referred to the tabulated value for the resonance integral of the 68Zn(n, γ)69mZn reaction, (0.24 ± 0.03) b, were also obtained. The results were (0.1350 ± 0.0093) b and (0.157 ± 0.029) b, respectively.

Received: 2005-1-5
Accepted: 2005-6-20
Published Online: 2009-9-25
Published in Print: 2005-9-1

© Oldenbourg Wissenschaftsverlag, München

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