What Does the Feynman Diagram for Neutral Pion Decay Look Like?

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Start date Nov 30, 2008
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In summary, a Feynman diagram is a visual representation of particle interactions in quantum field theory. It was developed by physicist Richard Feynman and is used to calculate the probability of these interactions. The lines and arrows in the diagram represent the paths and direction of motion of particles, including their status as antiparticles or particles. These diagrams are essential in understanding the fundamental interactions of particles in the Standard Model of particle physics, and can be used to study all types of interactions and the creation and decay of particles. However, they have limitations, such as not providing a complete picture and being difficult to draw for complex interactions, and may not accurately describe strong interactions at high energies.

Nov 30, 2008

Discostu19

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Neutral pion decays into 2 photons which then decay into electron-positron pairs.

What would the feynman diagram look like?

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Nov 30, 2008

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Related to What Does the Feynman Diagram for Neutral Pion Decay Look Like?

1. What is a Feynman diagram?

A Feynman diagram is a visual representation of the interactions between particles in quantum field theory. It was developed by physicist Richard Feynman and is used to calculate the probability of a particular particle interaction occurring.

2. What do the lines and arrows in a Feynman diagram represent?

The lines in a Feynman diagram represent the paths of particles, with arrows indicating the direction of their motion. The direction of the arrow also indicates whether the particle is an antiparticle or a particle. The direction of time is also represented, with the arrow on the line pointing from past to future.

3. How are Feynman diagrams used in particle physics?

Feynman diagrams are used to visualize and calculate the probabilities of particle interactions. They are an essential tool in understanding the fundamental interactions of particles in the Standard Model of particle physics.

4. Can Feynman diagrams be used to study any type of particle interaction?

Yes, Feynman diagrams can be used to study all types of particle interactions, including electromagnetic, weak, and strong interactions. They can also be used to study the decay of particles and the creation of new particles.

5. Are there any limitations to using Feynman diagrams?

While Feynman diagrams are a powerful tool in understanding particle interactions, they have limitations. They do not provide a complete picture of the interaction and can be difficult to draw for complex interactions. Additionally, they are based on perturbation theory, which may not accurately describe strong interactions at high energies.