3.4 Electromagnetic Separation of Isotopes
135
v
x
(0, 0)
mass
m
x = 0
R = v/α
Fig. 3.7 Motion of a positively-charged charged particle in a magnetic field which emerges
perpendicularly from the page. v is the velocity of the particle at the moment shown
D =
8V acc
q B 2
√
m.
(3.44)
Heavier ions will have larger orbital radii; two ions of different mass entering the
magnetic field will follow paths as sketched in Fig. 3.8.
v
x
(0, 0)
heavy ion
light ion
s
Fig. 3.8 As Fig. 3.7 but for ions of different masses
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