I'm not familiar with QCD, but I'm looking for intuitive explanation of this phenomenon (it could be that easy explanation does not exist).
What I've read is that large part of hadron masses arises from strong interactions between constituent quarks and gluons.
Of course quarks are massive, but sum of their masses is much smaller than the mass os composite hadron. Moreover, using simplified QCD calculations - with massless quarks - we get, as a result, also a massive particle.
It seems that hadron mass (at least most of it) i a result of some interactions between quarks and gluons inside of it.
My question is what kind of energy we see as the rest mass of hadrons? Also how is it connected to phenomenon called "chiral symmetry breaking"?
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