Transient and secular radioactive equilibrium revisited
Qinghui Zhang, Chandra Burman, Howard Amols
TL;DR
This paper revisits the definitions of radioactive equilibrium, proposing clearer terminology and exploring both activity and effective life-time equilibrium concepts for better physical understanding.
Contribution
It introduces new terminology and definitions for radioactive equilibrium, clarifying the physics behind transient and secular equilibrium.
Findings
Proposes the terms activity equilibrium and effective life equilibrium.
Identifies an exact effective life-time equilibrium beyond instant activity equilibrium.
Provides clearer physical interpretation of radioactive equilibrium concepts.
Abstract
The two definitions of radioactive equilibrium are revisited in this paper. The terms activity equilibrium and effective life equilibrium are proposed to take the place of currently used terms transient equilibrium and secular equilibrium. The proposed new definitions have the advantage of providing a clearer physics meaning. Besides the well known instant activity equilibrium, another class of exact effective life-time equilibrium is also discussed in this letter.
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Taxonomy
TopicsRadioactive Decay and Measurement Techniques · Advanced Thermodynamics and Statistical Mechanics · Global Energy and Sustainability Research