Ions above the midplane of the cyclotron are directed downward; those below the midplane are directed upward.
"LRL Accelerators The 184-Inch Synchrocyclotron"
Lawrence Radiation Laboratory
An ion above the midplane is directed downward, while an ion below the midplane is directed upward.
"LRL Accelerators The 184-Inch Synchrocyclotron"
Lawrence Radiation Laboratory