Helo, I am just wondering about some info I foind on the web.

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Discussion Overview

The discussion revolves around the nature of protons, quarks, and the role of mesons and gluons in the stability of atomic nuclei. Participants explore various models and concepts related to the strong nuclear force, quantum interactions, and the structure of protons, with references to external articles and resources.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested
  • Mathematical reasoning

Main Points Raised

  • Some participants express skepticism about the claim that there are three quarks in a proton, referencing external articles for context.
  • One participant suggests that mesons mediate the strong nuclear force, contributing to the stability of protons and nuclei.
  • Another participant questions whether mesons are responsible for nuclear stability, expressing confusion about the interactions within the nucleus.
  • There is a discussion about the nature of interactions in the nucleus, with one participant clarifying that quantum mechanical interactions do not result in "tiny explosions."
  • Some participants note that mesons are considered carriers of the strong force, while others emphasize that gluons are the fundamental mediators of the strong force.
  • One participant mentions the importance of vacuum fluctuations and sea quarks in the context of proton mass and structure.
  • Links to additional resources, including animations and articles on mesons and quarks, are shared for further exploration.

Areas of Agreement / Disagreement

Participants express differing views on the roles of mesons and gluons in nuclear interactions, with no consensus reached on the implications of these roles for the stability of protons and nuclei.

Contextual Notes

The discussion includes references to complex quantum interactions and the stability of mesons, which are noted to be highly unstable. There is also mention of the quark model and its applicability, but participants do not fully resolve the implications of these models.

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Welcome to PF;
The extra quark-antiquark pairs are mesons basically mediating the strong nuclear force... holding the proton together. The article makes a bit of a meal out of it. No doubt a more complete description is coming...
 
Does this mean that mesons are in fact what makes the nucleus stable?
I thought the strong force were what kept the nucleus stable @.@
Now I am seriously confused!
So let's say we have these unstable mesons inside the nucleus, being neutralized by the strong force. Does that mean we have like a zillion tiny explosions inside the nucleus all the time? how does this explain the rise in strong force when attempting to free the quarks?
Ain't mesons the particle carrying the strong force?
And what exactly are attempting to break the nucleus apart?

and ty, happy to be here:)
 
The meson can act as mediators for the strong nuclear force.
Nuclei are more complicated but sure - exchange of mesons between nucleons help keep them stable ... particularly keeping the neutron stable.

You don't get zillions of tiny explosions in the nucleus - these are QM interactions.

I'm being very simplistic of course, as is the article.
It won't cover all the phenomena in detail. You'll need to read around the topic.
 
Could you please provide some links to more information. It would be much appreciated:)
Oh yea ofc the mesons are the carriers of strong force, haha. My bad.
I just find it strange that it contains zillions of mesons. I am looking into the QM interactions now.
So what exactly keep these zillion mesons stable xD?
From what I have read, mesons are highly unstable.
 
Actually, wikipedia has some nice animations of nucleons exchanging mesons.
You should just google around the subject of mesons - say: neutral pions.
 
Your thread belongs to the High Energy, Nuclear and Particle Physics forum. Maybe a mentor can move it?

Bound states of particles can be characterized by a set of quantum numbers. If I measure the corresponding observables for the proton, I get values which agree with the quark model, which states that the proton is a bound state of three so-called valence quarks. So it is meaningful to talk about the proton as a state of three quarks.

Strasser stresses the importance of vacuum fluctuations, which are almost negligible for the hydrogen atom, but contribute a lot to the mass of the proton. They lead to the presence of virtual gluons and quark-antiquark-pairs (the so-called sea quarks). So essentially he is right but I think his wording is too strong. The quark model is still a useful model.

Maybe this link is helpful:
http://en.wikipedia.org/wiki/Quark#Interacting_quarks

@Simon:
The force carrier of the strong force are gluons, not mesons. I don't think that mesons play a role within hadrons. As in your example, they occur in models for the nuclear force. This force acts between nucleons/hadrons and is a remnant of the strong force between the particles which constitute the hadrons (similar to the van-der-Waals interaction between atoms).
 
Neutral pions are important for the low energy properties of the strong nuclear interaction.
Yes - the fundamental mediator is the gluon.
 

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