In-room imaging and MR planning

F

0 field exerts a Lorentz force on e -

B

I

B

The resulting effect depends on the orientation of B 0 with respect to the incident beam

= Ԧ ×

x

e-

Perpendicular

•

e-

γ

Electron Return Effect (ERE)

•

e-

Raaijmakers et al., PMB 2005

Inline

•

Electron Focus Effect (EFE)

•

Oborn et al., Med Phys 2010

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