Question

What are the decay reactions of pi meson ?
DON'T SPAM HERE! Only give me the correct reactions.

Answer 1

Answer:

Hello Buddy!

Here goes your answer:

You know it very well that a Pi meson has a parity of -1. So, they interact using Electromagnetic interactions, Weak Nuclear and Strong Nuclear forces.

Here are the reactions:-

$\pi (arrow) e + v$

$\pi (then,arrow) e + v + gamma$

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Answer 2

Explanation:

You know it very well that a Pi meson has a parity of -1. So, they interact using Electromagnetic interactions, Weak Nuclear and Strong Nuclear forces.

Since a π meson is at rest initially, thus the initial momentum of the system is zero.

So, from law of conservation of linear momentum, the final momentum of the system must also be zero.

To do so, the two gamma rays must move in opposite direction to each other so that the total momentum of the system remains zero after the reaction.