In beta decay, a proton or neutron in a nucleus emits ... the energies and directions of the emitted beta particle and two alpha particles with high precision. This approach allowed the ...

Alpha radiation is made up of a stream of alpha ... but the electron is ejected at high speed. This is called beta decay.. Beta decay causes the atomic number of the nucleus to increase by one ...

JON CHASE:'The decay of these unstable elements is known as ionising radiation. 'There are three main types - alpha, beta or gamma. JON CHASE:'Gamma radiation is pure energy, 'but alpha and beta ...