noun
beta decay
Physics term for a type of radioactive decay in which a beta particle is emitted.
中性子が陽子に変わる過程でベータ崩壊が起こる。
Beta decay occurs in the process where a neutron turns into a proton.
Standard kanji-katakana spelling for beta decay.
Uses the Greek letter β; common in scientific contexts.
From English 'beta' + 崩壊 (collapse, decay).