Question

The short range attractive nuclear forces that are responsible for the binding of nucleons in a nucleus are supposed to be caused by the role played by the particles called

• A. Positron
• B. m-Meson
• C. K-Meson
• D. $\pi$- Meson

Answer 1

Answer: (D)

$\pi$- Meson

The nuclear force between a neutron and proton is the result of the exchange of charged mesons $\left({\pi }^{+}{\pi }^{-}\right)$ between them.
So, correct answer is $\pi$-Meson.