A question about quarks.

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Reply 2

It's called colour confinement, Wikipedia doesn't seem toknow what causes it (which is strange, as it usually knows too much aboutanything STEM related). The gist of it is that the strong force is mediated bygluons, which also have a colour charge unlike the electromagnetic force whichis mediated by neutral photons. This somehow causes the strong force to beunusually strong when quarks try to separate. Additionally, the strong force isreally strong as in Feynman diagrams, gluons are allowed to branch intomultiple gluons.

Reply 3

Original post by lerjj

It's called colour confinement, Wikipedia doesn't seem to know what causes it (which is strange, as it usually knows too much about anything STEM related). The gist of it is that the strong force is mediated by gluons, which also have a colour charge unlike the electromagnetic force which is mediated by neutral photons. This somehow causes the strong force to be unusually strong when quarks try to separate. Additionally, the strong force is really strong as in Feynman diagrams, gluons are allowed to branch into multiple gluons.

Thank you so much! But what does it have to do with the Big Bang?

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Reply 4

Original post by Edminzodo

Thank you so much! But what does it have to do with the Big Bang?

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You tell me, where did you hear the two mentioned together?

Reply 5

Original post by lerjj

You tell me, where did you hear the two mentioned together?

In the explanation of the question! But I didn't hear properly. Something about hadrons or something. I was a bit lost . . .

Reply 6

Original post by Edminzodo

In the explanation of the question! But I didn't hear properly. Something about hadrons or something. I was a bit lost . . .

What level are you doing? I just searched the AQA As Spec for mention of quarks and colour- there is a brief paragraph on quarks with no mention of colour confinement. The word colour occurs once in the AQA Physics Spec, and it's in the A2 section on optics and astrophysics (colours of spectral lines)

Reply 7

Potentially useful site: http://www.particleadventure.org/color.html
Also, read the wiki page on colour confinement, and maybe check what HyperPhysics says about the topic.

Reply 8

Original post by lerjj

Potentially useful site: http://www.particleadventure.org/color.html
Also, read the wiki page on colour confinement, and maybe check what HyperPhysics says about the topic.

Thank you so much! I'm in Y12 but I'm not actually doing Physics . . . I'm just teaching myself the basics of particle Physics! Are you studying it? :smile:

Reply 9

Original post by Edminzodo

Thank you so much! I'm in Y12 but I'm not actually doing Physics . . . I'm just teaching myself the basics of particle Physics! Are you studying it? :smile:

I'm taking As Physics at the moment, it's a shame we barely do any of this stuff! If you want a nice introduction to this stuff, QED by Richard Feynman and The Quantum Universe by Brian Cox and Jeff Forshaw are great pop science books. If you want more depth, you can probably find some lectures on YouTube somewhere.

Reply 10

Original post by lerjj

Awesome!

What other subjects are you taking? Maths, I guess? How are you finding Y12?

I agree. I do wish I'd done the AS, though. Thank you so much!

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Reply 11