Last Updated
：2025/11/21
beta decay
Noun
countable
uncountable
Japanese Meaning
原子核からベータ粒子（電子または陽電子）が放出される核反応、すなわちベータ崩壊
（ plural ）
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(physics) A nuclear reaction in which a beta particle (electron or positron) is emitted.
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beta decay
Scientists measured the half-life of the isotope by observing its beta decay in a controlled chamber.
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Scientists measured the half-life of the isotope by observing its beta decay in a controlled chamber.
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