1238-1239 / 1363
•
Perpendicular
•
Electron Return Effect
(ERE)
•
Inline
•
Electron Focus Effect
(EFE)
B
0
field exerts a Lorentz force on e
-
= Ԧ ×
F
I
B
e-
e-
γ
e-
The resulting effect depends on the orientation
of B
0
with respect to the incident beam
Raaijmakers et al., PMB 2005
Oborn et al., Med Phys 2010
sydney.edu.aux