Noun
an angle formed by three or more planes intersecting at a common point (the vertex)
Source: WordNetDedicated backscattered electron detectors are positioned above the sample in a "doughnut" type arrangement, concentric with the electron beam, maximizing the solid angle of collection. Source: Internet
It has the same radiance because, although the emitted power from a given area element is reduced by the cosine of the emission angle, the apparent size (solid angle) of the observed area, as seen by a viewer, is decreased by a corresponding amount. Source: Internet
Instead of the solid angle, the momentum transfer may be used as the independent variable of differential cross sections. Source: Internet
By the same argument, the maximum solid angle that can be subtended at any point is 4 sr. Source: Internet
Definition Section of cone (1) and spherical cap (2) that subtend a solid angle of one steradian inside a sphere A steradian can be defined as the solid angle subtended at the center of a unit sphere by a unit area on its surface. Source: Internet
In contrast, the differential cross section dσ/dΩ is a function that quantifies the intrinsic rate at which the scattered projectiles can be detected at a given angle (where Ω represents solid angle ). Source: Internet