出典:Wiktionary
出典:『Wiktionary』 (2025/05/14 16:16 UTC 版)
neutron cross section (plural neutron cross sections)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/17 21:24 UTC 版)
The total neutron cross-section of an isotope of a chemical element is the effective cross-sectional area that an atom of that isotope presents to neutron scattering and absorption.