Some questions about chromodynamics

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SUMMARY

Hadrons must be colorless due to the fundamental principles of Quantum Chromodynamics (QCD), which dictate that particles with a net color charge cannot exist freely. The QCD potential is expressed as V(QCD) = -a/r + br, indicating a strong interaction at short distances; however, asymptotic freedom explains that quark interactions diminish at these distances. Gluons play a crucial role in hadron jet formation by mediating the strong force between quarks, leading to the creation of observable jets in high-energy collisions.

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Superlativity
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hello everyone, i have some points that I am not really clear about and really need your help with


- why do hadrons have to be colorless?

- this is about QCD potential: we have V(QCD) in the form of - a/r + br, so we expecting a strong interaction between hadron at small distance. But according to asymptotic freedom, the interaction between quarks becomes negligible at small distance. How can you account for this?

- how does exactly gluon create hadron jet?


Appreciate all the replies.

Cheers
 
Last edited:
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Superlativity said:
why do hadrons have to be colorless?
Because that is one of the properties of a hadron. If it had a net colour, it would not be a hadron.
 

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