Relative-Velocity Distributions for Two Effusive Atomic Beams in Counterpropagating and Crossed-Beam Geometries
Figure 2
(a) shows collision velocity distributions for identical crossed sodium beams (cb) and counter-propagating (cp) sodium beams with K. The arrows indicate the mean relative collision velocity. (b) shows relative collision velocity distributions for a sodium beam with K and a potassium beam with K.