Affiliation:
1. Institute for Energy Technology, N-2007 Kjeller, Norway
2. Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
Abstract
Abstract
A new nuclear reaction for the production of 240Am was experimentally investigated. Targets of
150 – 500 μg/cm2
242Pu on 2 μm
Ti were produced through molecular deposition. Five
irradiations, in which 242Pu, natTi, and natNi targets were jointly activated
with protons from the Lawrence Berkeley National Laboratory 88-Inch Cyclotron produced 240Am, 48V, and
57Ni, respectively. The radioactive decay of these nuclides was monitored using high-purity Ge gamma ray detectors
in the weeks following irradiation. A maximum 242Pu(p, 3n)240Am nuclear reaction cross section was
measured to be 45 ± 13 mb with 23 MeV protons. While this value is lower than theoretical predictions,
it is high enough to be the most viable nuclear reaction for the large-scale production of 240Am.
Subject
Physical and Theoretical Chemistry
Cited by
2 articles.
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1. Improved production and purification of 240Am by deuteron-induced activation of 240Pu target;Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms;2024-08
2. Modeling and production of 240Am by deuteron-induced activation of a 240Pu target;Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms;2015-04