A new method is described to study nuclear fission of short-lived ra- dioactive isotopes induced by electromagnetic excitations. Secondary beams of fissile nuclei were produced by fragmentation of ~238U projectiles at 1 A GeV. After being separated and identified in the fragment sepa- rator of GSI they impinged on a secondary lead target. Nuclear-charge distributions and total kinetic energies of fission fragments produced in low-energy fission have been measured for a number of neutron-deficient perimental results are presented.
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机译：描述了一种新方法来研究电磁激发引起的短寿命放射性同位素的核裂变。通过在1 A GeV下分裂〜238U子弹产生裂变核的次级束。在GSI的片段分离器中被分离并鉴定后，它们撞击了第二个先导靶标。测量了低能裂变产生的裂变碎片的核电荷分布和总动能，并给出了许多中子缺陷的实验结果。
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