activation cross section

activation cross section

[‚ak·tə¦vā·shən ′krȯs ‚sek·shən]
(nuclear physics)
The cross section for formation of a radionuclide by a particular interaction.
References in periodicals archive ?
[sigma]: is the activation cross section (1barns=[10.sup.-24][cm.sup.2]) refers to the production of the particular radioactive
Activation cross section measurements for fusion reactor structural materials at neutron energy from 13.3 to 15.0 MeV using FNS facility.
Neutron activation cross sections for zirconium isotopes.
These measurements, combined with known neutron activation cross sections, determined the fluency, defined as the number of neutrons per [cm.sup.2] per YAGUAR pulse.