Assertion: lepton's value | /r/HasProperty | calculated
Facets:
Source sentences:
text: In the simplest case, the Standard Model posits three generations of neutrinos with Dirac mass that oscillate between three neutrino mass eigenvalues, an assumption that is made when best fit values for its parameters are calculated.
text: The Standard Model leaves the mass of the Higgs boson as a parameter to be measured, rather than a value to be calculated.