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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
9.6 Collimated Neutron Beams
459
Without any shielding, the dose is 3.71 × 10
−15
Sv/source particle. With a
shielding consisting of multiple layers of steel totaling 30cm thickness inter-
spersed with several layers of polyethylene totaling 20cm thickness, the dose
drops to 3.68 × 10
−17
Sv/emitted neutron at π radians opposite the shield open-
ing. e layered shielding approach is more eective at reducing dose equiva-
lent and neutron uence than shields made out of single continuous layers
of the same material and thicknesses. Adding boron to the polyethylene and
substituting tungsten for steel would make the shielding more eective but
wou ...
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Publisher Resources

ISBN: 9781482238013