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14 MeV Neutrons
book

14 MeV Neutrons

by Vladivoj Valkovic
August 2015
Intermediate to advanced content levelIntermediate to advanced
516 pages
16h 29m
English
CRC Press
Content preview from 14 MeV Neutrons
6.5 Safety Issues
239
To this aim, NCRP considered a list of thermal and fast neutron activation
products of elements with atomic number between 1 and 60, plus gold, plati-
num, iridium, and bismuth, high-Z elements that occur in pharmaceuticals
and medical devices. For the fast neutron activation, a narrow energy distribu-
tion, with a peak at 8.5 MeV and a total uence of 6.4 × 10
5
n/cm
2
was assumed.
is is the specied neutron uence at the surface of a container scanned by
the PFNA system. is approximation neglects the decrease of the total u-
ence with neutron beam penetration inside the container as well as the lower
energy neutrons generated by scattering. However, the structure of the fast
neutron activation cross sections that produce ...
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Publisher Resources

ISBN: 9781482238013