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Photograph: An open view of the 4π water-cooled target head at the Forschungszentrum Jülich, used for irradiation (after [37]). The Al target holder with a groove for inserting the 86SrCO3 pellet is shown on the right. The groove was closed by a sliding lid, and the target holder could be fitted in the target head. After irradiation, the target head was remotely opened, and the target holder fell in a lead pot.
