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abstraction > mathematical concept > number > constant > fundamental physical constant > atomic constant > Thomson cross section |
Thomson cross section comparison table |
Subject | has equation | is an instance of | has uncertainty | is a kind of | has symbol | has value |
---|---|---|---|---|---|---|
area | quantity | |||||
atomic constant | fundamental physical constant | changes in value are due solely to an increase in measurement accuracy or convention | ||||
Thomson cross section | area | 0.000000015 × 10-28 m2 | σe | 0.665245854 × 10-28 m2 |
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