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Anonymous
mesons/gluons - exchange particles? 2017-03-29 05:46:16 Post No. 8787316
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mesons/gluons - exchange particles? 2017-03-29 05:46:16 Post No. 8787316
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sup /sci/
in my high school physics textbook it says that the exchange particles for the strong nuclear interaction are gluons, but then it slashes with mesons. why is this? i haven't been able to find anything online, but mesons aren't anything like gluons, right? why are they both exchange particles
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>>8787316
There are two different regimes of the strong interaction. Gluons are the exchange particle between quarks within nucleons (protons, neutrons, etc). Mesons (pions, kaons, etc) mediate the residual strong force and are the exchange particle between nucleons. Mesons are composed of a quark and an antiquark, which are in turn bound by (you guessed it) gluons.
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>>8787316
Symptathy bump for you.
Also gravitons haven't been discovered yet right?
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>>8787446
gravitational waves, last year. two black holes collided. we confirmed they exist, as predicted by einstein's theory o general relativity
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>>8787459
But wikipedia says
> graviton is a *hypothetical* elementary particle
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>>8787459
gravitational waves are unrelated to gravitons
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>>8787472
Distortions in Einstein's space-time.
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>>8787481
so gravitational waves are to the gravitational force what electromagnetic waves are to the electromagnetic force.
what are electromagnetic waves made up of then? what causes the EM fields and interactions? i hear its photons, the exchange particles. but if so, why isn't this the same for gravitational waves? i.e. gravitons are the exchange particles so they should dictate the gravitational force?
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>>8787501
>so gravitational waves are to the gravitational force what electromagnetic waves are to the electromagnetic force.
not really
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>>8787510
expand?
we use the same model to describe them, inverse square law, attraction (excluding repulsion), infinite distance influence, etc. so how are they different? what exactly differentiates them
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>>8787513
Gravity isn't modelled as a force, it's spacetime geometry bending. It only behaves like EM to an approximation.
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