Electron cyclotron resonance ion sources in use for heavy ion cancer therapy The use of electron cyclotron resonance (ECR) ion sources for producing ion beams for heavy ion cancer therapy has been established [...] current ion source operation at the GSI accelerator facility Vacuum arc ion sources, Penning ion sources, and filament driven multicusp ion sources are used for the production of high current ion beams of [...] for more than ten years. After the Heavy Ion Medical Accelerator (HIMAC) at Chiba, Japan started therapy of patients with carbon ions in 1994 the first carbon ion beam for patient treatment at the accelerator

vacuum arc ion source for injection of high current uranium ion beam into the UNILAC at GSI To fill up the GSI heavy ion synchrotron (SIS) to its space charge limit with uranium ions, a vacuum arc ion source [...] This ion source provides a high intensity ion beam with a fraction of fourfold charged uranium ions up to 67% for injection into the linear accelerator. As part of the ion source development the ion and [...] (MEVVA) IV ion source, has been developed and implemented into operation. The ion source has proven its capability in several long period beam times at the high current injector at GSI. With the ion source

The Heavy Ion Storage Ring ESR Storage rings are used to store and accumulate ions up to the highest possible currents. A high brilliance of the circulating ion beams, which means very small diameters [...] care that the ions move as close as possible along their ideal orbit. Electron Cooling The mutual repulsion of the ions due to the Coulomb interaction and to collisions between the stored ions and rest gas [...] only storage ring which fulfils these requirements for all ions from helium with nuclear charge Z = 2 up to even bare uranium with Z = 92 at ion velocities β ranging from below 10% to almost 90% of the speed

CURRENT ION SOURCE OPERATION AT THE GSI ACCELERATOR FACILITY Vacuum Arc Ion Sources, Penning Ion Sources, and filament driven Multi Cusp Ion Sources are used for the production of high current ion beams [...] at the high current injector is presented here giving an outline on important ion source data, such as ion beam current, ion beam spectrum, transversal emittance, life time, duty factor, and transmission [...] beams of a variety of metallic and gaseous ions at the GSI accelerator facility. For accelerator operation the ion sources have to provide a stable beam over a long period of time with an energy of 2.2 keV/u

the gyration radius of ions is within the sub-mm range, ions can be extracted only if they are located on a magnetic field line which goes through the extraction aperture. Ion-ion collisions are not important [...] results from ion beams, extracted from an Electron Cyclotron Resonance Ion Source (ECRIS) are compared with the model used for simulation, which has to taken into account that the energy of ions within the [...] of the ion. Because of the gradient dBz/dz of the mirror field only these ions can be extracted, which have enough energy in direction of the field line. These conditions are fulfilled for ions which are

arc ion source for injection of high current uranium ion beam into the UNILAC at GSI To fill up the GSI heavy ion synchrotron (SIS) to its space charge limit with uranium ions, a new vacuum arc ion source [...] MEVVA IV ion source has been developed and implemented into operation. The ion source has proven its capability in several long period beam times at the high current injector at GSI. With the new ion source [...] to 170 mA/cm 2 . This results in a full beam ion current of 156 mA at 35 kV with a fraction of four fold charged uranium ions of 67 %. The analysed U 4+ ion beam after dc post acceleration amounts to 25

with highly charged ions at low energies: ARTEMIS : magnetic moments in highly charged ions (g-factors) SPECTRAP : laser spectroscopy with highly charged ions HILITE : atoms and ions in extreme laser fields [...] HITRAP is a ion trap facility which is designed for capturing and cooling of highly charged ions (HCI) produced at the GSI-accelerator complex. In the HITRAP facility heavy highly charged ions will be available [...] bare nuclei (up to uranium U 92+ ), hydrogen-like ions or few-electron systems at low temperatures. Highly charged ions are accelerated in the heavy-ion synchrotron SIS, stripped in a foil to the desired

with highly charged ions at low energies: ARTEMIS : magnetic moments in highly charged ions (g-factors) SPECTRAP : laser spectroscopy with highly charged ions HILITE : atoms and ions in extreme laser fields [...] HITRAP is a ion trap facility which is designed for capturing and cooling of highly charged ions (HCI) produced at the GSI-accelerator complex. In the HITRAP facility heavy highly charged ions will be available [...] bare nuclei (up to uranium U 92+ ), hydrogen-like ions or few-electron systems at low temperatures. Highly charged ions are accelerated in the heavy-ion synchrotron SIS, stripped in a foil to the desired

techniques and the equiment to study electron ion collisions at GSI's and FAIR's heavy ion storage rings. Electron Ion Collisions Collisions between free electrons and ions belong to the most fundamental process [...] electron-ion collisions and their dynamical aspects. Three main experimental installations will be used to reach these goals: High-energy electron-ion collisions with a stochastically cooled ion beam: for [...] electron collisions with stable heavy highly charged ions and with artificially synthesized radioisotopes are envisaged. In a storage ring, the circulating ions repeatedly interact with the target electrons thus

heavy ion synchrotron (SIS) to its space charge limit with uranium ions, a new vacuum arc ion source (VARIS) based on the MEVVA IV ion source has been developed and implemented into operation. The ion source [...] and to be able to improve the ion source performance. more... Author: R. Hollinger et al. Status of vacuum arc ion source development for injection of high current uranium ion beams into the GSI accelerator [...] beam times at the high current injector at GSI. With the new ion source it was possible to exceed the space charge limit of 15 mA U 4+ ions at the entrance of the linear accelerator (UNILAC) for the very