Consider the following two-step decay sequence: ^ 18 _ 8 O ; ^- ; ^ 18 _ 9 F ; ^+ ; ^…

PHYSICS · Subjective · CBSE · Physics · Nuclei · Nuclei

Problem

Consider the following two-step decay sequence:

^{18}_{8}\text{O} \xrightarrow{\;\beta^-\;} ^{18}_{9}\text{F} \xrightarrow{\;\beta^+\;} ^{18}_{8}\text{O}.

In the first step, the emitted electron is accompanied by lepton

A

. In the second step, the emitted positron is accompanied by lepton

B

. Determine the symbols of leptons

A

and

B

that are required for each step to satisfy conservation laws.