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pi mesons can be...

`pi` mesons can be

A

`pi^+` or `pi overline`

B

`pi^+` or `pi^0`

C

`pi overline` or `pi^0`

D

`pi^+, pi overline` or `pi^0`.

Text Solution

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The correct Answer is:
D
(d) `p rarr pi^+ n, n rarr p + pi ^overline` and `n rarr n' + pi^0`.
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