Answer to Question #118505 in Atomic and Nuclear Physics for sania

Question

The B − meson is the lightest particle consisting of a b quark and u antiquark. Which type of
interaction causes its decay. Describe with explanation its decay chain.

Answer 1

Electroweak interaction causes its decay. The B^- meson decays into neutral D and negative π meson:

$$B^-\rightarrow D^0\pi^-.$$