What are the Benefits of Using Quark Diagrams in Particle Physics?

In summary, the conversation discusses the use of Feynman diagrams, specifically on the quark level and as an alternative to the double line formalism. The advantages of using this subclass of Feynman diagrams are mentioned, such as the suppression of certain diagrams and the simplicity of the lines used. The speaker also mentions Zweig's rule and the lack of complicated gluon interactions.
  • #1
FlagellumDei
7
0
Self-explaining question... Thanks.
 
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  • #2
in which context?
 
  • #3
malawi_glenn said:
in which context?

As an alternative to Feynman diagrams (?), or so I heard...

It doesn't sound ok, right?
 
  • #4
FlagellumDei said:
As an alternative to Feynman diagrams (?), or so I heard...

It doesn't sound ok, right?

no then it just means a feynman diagram "on quark level" eg. beta decay

http://www.antonine-education.co.uk/Physics_AS/Module_1/Topic_5/Feynmann_2.gif
 
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  • #5
malawi_glenn said:
no then it just means a feynman diagram "on quark level" eg. beta decay

http://www.antonine-education.co.uk/Physics_AS/Module_1/Topic_5/Feynmann_2.gif

It seems reasonable... Thanks man
 
Last edited by a moderator:
  • #6
Maybe the double line formalism ?
 
  • #7
I believe that they are a subclass of Feynman diagrams that do not show intermediate bosonic interactions; i.e. the relevant Feynman diagrams without any wiggly lines. The advantage is that any diagram with a continuous gap between the quarks is forbidden (suppressed) by Zweig's rule (iirc) and also that as flavour changing is relatively uncommon the lines often are just solid and 'simples'. Also, you don't have a whole infinity of gluons to worry about!
 

1. What is a quark diagram?

A quark diagram is a visual representation of the subatomic particles known as quarks. It shows the arrangement and interactions of quarks within a larger particle, such as a proton or neutron.

2. What do the lines and shapes in a quark diagram represent?

The lines in a quark diagram represent the forces that hold the quarks together, such as the strong nuclear force. The shapes, typically circles or ellipses, represent the quarks themselves.

3. How are quark diagrams used in particle physics?

Quark diagrams are used to study the structure and behavior of subatomic particles. They help scientists understand the fundamental particles that make up matter and the interactions between them.

4. Are quark diagrams accurate representations of particles?

Quark diagrams are simplified models and do not accurately depict the true complexity of subatomic particles. They are useful for visualizing and understanding the basic components and interactions of particles, but they do not provide a complete representation.

5. Can non-scientists understand quark diagrams?

With some basic knowledge of particle physics, non-scientists can grasp the general concept of quark diagrams. However, a deep understanding of the diagrams and their significance typically requires a background in physics or a related field.

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