| http://www.w3.org/ns/prov#value | - a controller for controlling extraction of said ion beam from said synchrotron such that said ion beam is extracted from said synchrotron when a first region in the rotating direction of said wheel is positioned on a beam path within said beam delivery nozzle, and said ion beam is not extracted from said synchrotron when a second region other than said first region is positioned on said beam path.
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