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abstraction > mathematical concept > number > constant > fundamental physical constant > particle constant > particle mass > helion mass

helion mass (mh)
subject			fact

helion mass	has symbol mh
	has value 5.00641174 × 10-27 kg
	applies to particle helion
	has uncertainty 0.00000039 × 10-27 kg
	is an instance of particle mass
particle mass	has unit kg
particle constant	applies to particle
fundamental physical constant	has accuracy