neutron-capture cross section

neutron-capture cross section

[′nü‚trän ‚kap·chər ′krȯs ‚sek·shən]
(nuclear physics)
The cross section for neutron capture by nuclei in a material; it is a measure of the probability that this reaction will occur.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.