Atomic beam

Japanese: atomic beam(英語表記)atomicbeam
Atomic beam

...Gas molecules are blown into a high vacuum and passed through a narrow slit several times to make them nearly parallel. An atomic beam is equivalent to a single-atom molecular beam. As a research using atomic beams and molecular beams, the Stern-Gerlach experiment (1921) is well known, in which the branching of a silver atomic beam caused by a magnetic field was observed, which became a clue for the introduction of electron spin. This method later developed into the magnetic resonance method for studying the fine energy structure of molecules and atoms.

*Some of the terminology that mentions "atomic beam" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…高真空中に気体分子を吹き出させ,狭いスリットを何回か通過させてほぼ平行にしたもの。原子線atomic beamは単原子の分子線に相当する。原子線や分子線を利用した研究としては,磁場による銀の原子線分岐を観測し,電子のスピン導入の糸口となったシュテルン=ゲルラハの実験(1921)がよく知られているが,この方法はその後,分子や原子の微細なエネルギー構造を研究する磁気共鳴法へと発展した。…

※「atomic beam」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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