Leptons & Quark Speed in Nucleon | Average at Room Temp

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Discussion Overview

The discussion centers around the speed of quarks within nucleons, particularly at room temperature, and touches on the geometric aspects of quark confinement and the relationship to leptons. Participants explore theoretical approaches to estimating quark speed and the implications of quark interactions.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant inquires about the average speed of quarks in nucleons, suggesting that they must exhibit some movement due to the strong force binding them.
  • Another participant proposes using the Heisenberg uncertainty relation and the size of the nucleon to estimate quark speed, mentioning the mass of quarks as a factor in the calculation.
  • A different participant questions the relevance of the discussion to the speed of leptons, indicating a potential confusion regarding the topic.
  • One participant expresses interest in the geometrical aspects of quark motion and the reasons behind the inability to form four or more quark particles, suggesting that this may be related to color charges and color confinement.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the speed of quarks or the geometrical implications of their motion. Multiple viewpoints and approaches are presented without resolution.

Contextual Notes

Participants reference the Heisenberg uncertainty principle and the concept of color confinement, but the discussion lacks definitive calculations or established values for quark speed. There are also unresolved questions regarding the relationship between quarks and leptons.

Lok
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What would the speed of a quark in a nucleon be? I know they are bound by the strong force to a triangular shape, but to an outside observer they must show some movement, or the triangular structure as a whole should. What is it's speed ( average for room temperature )?
 
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Lok said:
What would the speed of a quark in a nucleon be? I know they are bound by the strong force to a triangular shape, but to an outside observer they must show some movement, or the triangular structure as a whole should. What is it's speed ( average for room temperature )?

You can find the "speed" by doing the same calculation as you would have done in finding the speed for an electron in an atom. Start from the Heisenberg uncertantiy realation for instance, take the size of the nucleon, 1fm, and then you'll get the order of magnitude of momentum. Then mass of quark is approx 5MeV/c². There are other ways in doing this of course, which can give you an approximate value of the speed.
 
Lok said:
What would the speed of a quark in a nucleon be? I know they are bound by the strong force to a triangular shape, but to an outside observer they must show some movement, or the triangular structure as a whole should. What is it's speed ( average for room temperature )?

Just out of curiosity, what does this have anything to do with "the speed of leptons"?

Zz.
 
It was about quarks ... but i was a little confused for a bit... then i edited the post but the title remained.

Tx for the formula. Is there any geometrical view on their motion though. There must be a reason for the inabillity to create 4(and beyond) quark particles, and the condition seems geometrical in nature.
 
Lok said:
It was about quarks ... but i was a little confused for a bit... then i edited the post but the title remained.

Tx for the formula. Is there any geometrical view on their motion though. There must be a reason for the inabillity to create 4(and beyond) quark particles, and the condition seems geometrical in nature.

It has to do with the colour charges of the quarks, and colour confinement.
 

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