Evidence for, and Cross Section of 115 Day <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">Se</mi></mrow><mrow><mn>75</mn></mrow></msup></mrow></math></span>

H. N. Friedlander; L. Seren; S. H. Turkel

doi:10.1103/PhysRev.72.23

Evidence for, and Cross Section of 115 Day ${Se}^{75}$

H. N. Friedlander, L. Seren, and S. H. Turkel

Phys. Rev. 72, 23 – Published 1 July 1947

Abstract

Evidence has been given to show that the 115-day activity produced in selenium by thermal neutrons is due to ${Se}^{75}$ which decays by $K$ electron capture to ${As}^{75}$ , accompanied by a 0.4 Mev $γ$ -ray. A value for the cross section of ${Se}^{74}$ for radiative capture of a thermal neutron has been given.

Received 8 March 1947

DOI:https://doi.org/10.1103/PhysRev.72.23

Authors & Affiliations

H. N. Friedlander, L. Seren, and S. H. Turkel^*

Argonne National Laboratory, Chicago, Illinois

^*Present addresses of authors: H. Friedlander, Department of Chemistry, University of Chicago; L. Seren, General Electric Research Laboratory, Schenectady, New York; S. Turkel, Nuclear Engineering Powered Aircraft Department, Fairchild Engine and Airplane Corporation, P.O. Box 415, Oak Ridge, Tennessee.

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Vol. 72, Iss. 1 — July 1947

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