Treatment of moving targets with active scanning carbon ion beams

Margin estimation and disturbances of irradiation field in layer-stacking carbon-ion beams for respiratory moving targets

Carbon-ion therapy by layer-stacking irradiation for static targets has been practised in clinical treatments. In order to apply this technique to a moving target, disturbances of carbon-ion dose distributions due to respiratory motion have been studied based on the measurement using a respiratory motion phantom, and the margin estimation given by the square root of the summation Internal margi...

Integration of scanning probes and ion beams.

We report the integration of a scanning force microscope with ion beams. The scanning probe images surface structures non-invasively and aligns the ion beam to regions of interest. The ion beam is transported through a hole in the scanning probe tip. Piezoresistive force sensors allow placement of micromachined cantilevers close to the ion beam lens. Scanning probe imaging and alignment is demo...

Interaction of Cooled Ion Beams with Internal Fiber Targets

Beam lifetime considerations and the limits of electron cooling restrict the thickness of internal targets to 1015 atoms/cm2. Gas jets or diffuse gas targets are possible schemes, but require a major technical effort to maintain sufficient vacuum adjacent to the target region. In addition, some important target materials are not available as gases. Dust targets have been used successfully, but ...

Exotic Ion-beams, Targets and Sources

Exotic beams of short-lived radioisotopes are produced in nuclear reactions such as thermal neutron induced fission, target or projectile fragmentation and fusion reactions. For a given radioactive ion beam (RIB), different production modes are in competition. For each of them the cross section, the intensity of the projectile beam and the target thickness define an upper production rate. The f...

Scanned Ion Beam Therapy of Moving Targets with Beam Tracking