Physics: Matter & Radiation 0.0 / 5 ? PhysicsRadioactivityASAQA Created by: jatyizationCreated on: 24-01-14 16:57 What is the nature of an alpha particle? 2 protons and 2 neutrons 1 of 6 What happens in Beta- decay? A neutron splits into a proton and an electron; Antineutrino is also released. 2 of 6 What happens in Beta+ decay? Proton splits to form a neutron and an electron; neutrino is also released. 3 of 6 What occurs in annihilation? Particle meets its antiparticle and they destroy each other and become radiation. 4 of 6 What occurs in pair production? Gamma photon changes into a particle and an antiparticle 5 of 6 What is electron capture? Inner shell electron of an atom is captures by the nucleus. Feinmman diagram is proton to neutron and electron to neutrino. 6 of 6
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