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abstraction > mathematical concept > number > constant > fundamental physical constant > particle constant > particle mass > helion mass |
helion mass comparison table |
Subject | has uncertainty | has value | has symbol | applies to particle | is a kind of | is an instance of |
---|---|---|---|---|---|---|
particle mass | changes in value are due solely to an increase in measurement accuracy or convention | mass | ||||
helion mass | 0.00000039 × 10-27 kg | 5.00641174 × 10-27 kg | mh | helion | particle mass |
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