Abstract: Analysis of the production of 11C fragments mainly by projectile fragmentation of a stable monodirectional and monoenergetic primary 12C beam in different decelerating materials are presented and the optimal target choice have been identified to obtain the highest possible beam quality of decelerated 11C beam at arbitrary energies and therapeutic ranges. The optimal 11C-generating target is made of hydrogen preferably followed by a digitally variable decelerator of a hydrogen rich compound, such as polyethylene, to maximize the quality of the 11C beam.

Abstract: Analysis of the production of 11C fragments mainly by projectile fragmentation of a stable monodirectional and monoenergetic primary 12C beam in different decelerating materials are presented and the optimal target choice have been identity fled to obtain the highest possible beam quality of decelerated 11C beam at arbitrary energies and therapeutic ranges. The optimal 11C-generating target is made of hydrogen preferably followed by a digitally variable decelerator of a hydrogen rich compound, such as polyethylene, to maximize the quality of the 11C beam.

Abstract: The present invention refers to a radiation system (1) comprising an excentric gantry (100) arranged in connection with multiple treatment rooms (61-68) separated by radiation-shielding separating members (71-78). A movable rotation head (120) is connected to the gantry (100) and is able to move between, and direct a radiation beam (110) into, the treatment rooms (61-68). A simulator head (200-1 to 200-8) is preferably arranged together with the radiation system so it can be used in each respective treatment room (61-68). In such a case, while a first subject (40-1) is being irradiated in a first room (61), a treatment set-up procedure, including correct positioning of subjects (40-2 to 40-8) and irradiation simulation, can simultaneously take place for the other subjects (40-2 to 40-8) in the other treatment rooms (62 to 68).

Abstract: The present invention refers to a radiation system (1) comprising an eccentric gantry (100) arranged in connection with multiple treatment rooms (61-68) separated by radiation-shielding separating members (71-78). A movable rotation head (120) is connected to the gantry (100) and is able to move between, and direct a radiation beam (110) into, the treatment rooms (61-68). A simulator head (200-1 to 200-8) is preferably arranged together with the radiation system so it can be used in each respective treatment room (61-68). In such a case, while a first subject (40-1) is being irradiated in a first room (61), a treatment set-up procedure, including correct positioning of subjects (40-2 to 40-8) and irradiation simulation, can simultaneously take place for the other subjects (40-2 to 40-8) in the other treatment rooms (62 to 68).