…When charged particle radiation enters a material, the energy of the radiation is lost through collisions between the incident charged particle and electrons and atomic nuclei in the material. The rate at which the radiation energy is lost per unit length along the path the charged particle travels through the material is called the stopping power, and the stopping power changes with the change in the energy of the incident radiation. The average value of this stopping power over the entire range of the incident radiation is called the LET. … *Some of the terminology that mentions "stopping power" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…荷電粒子放射線が物質中に入射すると,放射線の持つエネルギーは,入射荷電粒子と物質中の電子や原子核との衝突によって失われる。このとき,荷電粒子が物質中を進む経路に沿っての単位長さ当りに失われる放射線エネルギーの割合を阻止能stopping powerと呼ぶが,阻止能は入射放射線のエネルギーの変化とともに変化する。この入射放射線の全飛程にわたっての阻止能の平均値をLETと呼ぶ。… ※「stopping power」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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