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(a) Target coin containing a CaO pellet for irradiations using the solid target station at the Bern cyclotron laboratory. The front cover (lid) has a tunable beam entrance window, while the back part (cup) contains the pellet and the O-ring. Once put together, it forms a disc 24 mm in diameter and 2 mm thick. (b) The IBA Nirta solid target station and the solid target transfer system (STTS) installed on the Bern medical cyclotron.
