Abstract
Publisher Summary This chapter presents wider perspectives in a better understanding of the term “radiation,” including its effects and uses. The primary effect of a charged particle, such as electron, proton and α particle passing through matter, is the production of ionization along its path. Neutrons and γ rays do not produce ionization directly instead, the charged particles set into motion by these neutral radiations are responsible for the ionization. There are different characters of ionization paths produced by electrons and by heavier charged particles, such as α particles. It is important to know why radioactive sources of α or β particles are chosen for some radiation applications whereas accelerator sources of helium nuclei or electrons are chosen for others. The amount of radioactivity is measured in terms of the curie (Ci). The chapter also explains the passage of radiation, and where the production of artificial radioactivity by neutron activation is used.
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