What represents beta decay?

Hint: We have to remember that a beta particle is also known as beta radiation or beta ray and it is represented as \[\beta \]. There are two types of beta decay and that is, \[{\beta ^ - }\] decay and \[{\beta ^ + }\] decay. \[{\beta ^ - }\] decay produces electrons and \[{\beta ^ + }\] produce positrons.

Complete answer:
We need to know that when a nucleus with so many protons or so many neutrons, then one of the neutrons or protons will transform into another and there will occur beta decay. In a \[{\beta ^ - }\] decay, neutrons decay into protons, electrons and antineutrino. And in the case of \[{\beta ^ - }\] decay, a proton is decayed into neutron, positron and neutrino. And these reaction are obeyed the law of conservation.
There are five types of radioactivity present and that is, alpha decay, beta decay, gamma emission, positron emission and electron capture. Each of the decay occurred by the formation of a new nucleus with a more stable neutron –proton ratio. The beta decay is the high energy electron or high energy with high speed positron or electron emitted by the radioactive decay of an atomic nucleus in the time of beta decay. A beta particle is also known as beta radiation or beta ray and it is represented as \[\beta \]. There are two types of beta decay and that is, \[{\beta ^ - }\] decay and \[{\beta ^ + }\]decay. \[{\beta ^ - }\] decay produces electrons and \[{\beta ^ + }\] produce positrons. Hence, positive beta decay is the emission of positron and negative beta decay is the emission of electrons. Transformation of neutrons into protons by the emission of electrons with an antineutrino is an example for beta decay.

Note:
We have to remember that the beta decay is the high energy electron or high energy with high speed positron or electron emitted by the radioactive decay of an atomic nucleus in the time of beta decay. When a nucleus with so many protons or so many neutrons, then one of the neutrons or protons will transform into another and there will occur beta decay.