In the transformation of $$_{92}^{238}U$$ to $$_{92}^{234}U$$, if one emission is an $$\alpha$$-particle, what should be the other emission(s)?

A

Two $$\beta^-$$

B

Two $$\beta^-$$ and one $$\beta^+$$

C

One $$\beta^-$$ and one $$\gamma$$

D

One $$\beta^+$$ and one $$\beta^-$$