Radiation flux
Encyclopedia
Radiation flux is a measure of the flow of radiation
from a given radioactive source.
Radiation flux density is a related measure that adds area
dimensions to the above definition - for example, radiation-flux/square-centimeter.
Particle radiation
Particle radiation is the radiation of energy by means of fast-moving subatomic particles. Particle radiation is referred to as a particle beam if the particles are all moving in the same direction, similar to a light beam....
from a given radioactive source.
Radiation flux density is a related measure that adds area
Area
Area is a quantity that expresses the extent of a two-dimensional surface or shape in the plane. Area can be understood as the amount of material with a given thickness that would be necessary to fashion a model of the shape, or the amount of paint necessary to cover the surface with a single coat...
dimensions to the above definition - for example, radiation-flux/square-centimeter.