disintegration per second

Japanese: disintegration per second(英語表記)disintegrationpersecond
disintegration per second

… The probability that a certain nuclide of a certain radioisotope will decay in a unit time is a constant specific to that nuclide, and is called the decay constant or disintegration constant. If there are N radioisotopes, the number of decays per unit time (e.g., dps (disintegration per second)) is proportional to N , and this proportionality constant is equal to the decay constant. The time it takes for N nuclei to decay to 1/2 N is called the half-life, and is a constant specific to the radioisotope. …

*Some of the terminology referenced in "disintegration per second" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

… ある放射性同位体の,ある核種が単位時間に崩壊する確率は,その核種固有の定数であり,崩壊定数または壊変定数と呼ばれる。いまN個の放射性同位体が存在するとき,単位時間当りの崩壊の数(例えばdps(disintegration per second))はNに比例し,その比例定数が崩壊定数に等しい。N個の核が崩壊によって1/2Nに減少するまでに要する時間を半減期と呼び,放射性同位体固有の定数である。…

※「disintegration per second」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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