α線あるふぁせん

ア

ル

ファ

せ

ん

Freq.FrequencyTop 100,000

Meanings

1

noun

alpha ray; alpha radiation

Refers to a stream of alpha particles emitted by radioactive decay. Used in physics and nuclear science.

アルファ線せん

Kana spelling of alpha; used when Greek letters are unavailable or in less technical contexts.

β線べーたせん
Beta rays, consisting of electrons or positrons, are more penetrating than alpha rays.
γ線がんません
Gamma rays are high-energy electromagnetic radiation, much more penetrating than alpha rays.

Compound of アルファ (alpha) + 線 (ray, beam). The term is a direct calque from English 'alpha ray'.