beta-emission
61Nocturnal emission — This article is about the biological function. For the sound art group, see Nocturnal Emissions. For fictional works, see Wet Dream (disambiguation). A nocturnal emission involves either ejaculation during sleep for a male, or lubrication of the… …
62Positron emission tomography — (PET) is a nuclear medicine imaging technique which produces a three dimensional image or map of functional processes in the body. The system detects pairs of gamma rays emitted indirectly by a positron emitting radionuclide (tracer), which is… …
63Neutronen-Emission — Neutronenemission ist eine selten vorkommende Form der Radioaktivität, bei der ein Atomkern durch Emission eines Neutrons radioaktiv zerfällt. Ein Beispiel dafür ist 5He, ein Isotop des Heliums: 5He → 4He + 1n Lediglich Isotope mit erheblichem… …
64b- — beta emission …
65b- — • beta emission …
66radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… …
67Radioactive decay — For particle decay in a more general context, see Particle decay. For more information on hazards of various kinds of radiation from decay, see Ionizing radiation. Radioactive redirects here. For other uses, see Radioactive (disambiguation).… …
68Nuclear fission — For the generation of electrical power by fission, see Nuclear power. Splitting the atom redirects here. For the EP, see Splitting the Atom. Nuclear physics Radioactive decay Nuclear fission Nuclear fusio …
69nuclear fission — fission (def. 2). [1885 90] * * * Division of a heavy atomic nucleus into two fragments of roughly equal mass, accompanied by the release of a large amount of energy, the binding energy of the subatomic particles. The energy released in the… …
70Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr …
