Assertion: positron's mass | /r/CapableOf | differ with maximum possible difference
Facets:
value: slightly
type: DEGREE
value: from the mass of the antilepton
type: OTHER
Source sentences:
text: An experimentally accessible possibility is that the mass of a charged lepton, measured in the present era, can differ slightly from the mass of the antilepton, with a maximum possible difference at the level of (10 −9 - 10 −8).