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Neutron activation

Neutron activation is the process in which thermal neutrons induce radioactivity in matter. The activity (A) follows from the formula:

A = σ×n×φ×(1 - e-λt)

A = activity (in Bq)
σ = cross section (in m2)
n = number of irradiated atoms
φ = neutron fluence rate(in m-2 s-1)
λ = decay constant (in s-1)
t = irradiation time (in s)

Related unit / quantities:

Last modified:23 January 2021 8.45 p.m.
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