Which of the allegedly virtual particles exhibit the property of mass?
I don't mean to resurrect the discussion of a few months ago re photon mass
about the equivalence of mass/energy.
And I don't know how to frame the question so that we don't get too
convoluted here.
I mean do gluons, the weak bosons, and possibly gravitons exhibit the
property of mass in the same way that quarks and leptons exhibit the
property of mass?