Projectile fission at relativistic velocities: a novel and powerful source of neutron-rich isotopes well suited for in-flight isotopic separation

Projectile fission at relativistic velocities: a novel and powerful source of neutron-rich isotopes well suited for in-flight isotopic separation

Projectile fission of 238U was investigated at a bombarding energy of 750 A·MeV using a Pb target. Forward emitted fragments from 80Zn up to 155Ce were analyzed with the Fragment Separator (FRS) and unambigously identified by their energy-loss and time-of-flight. The magnetic selection of the larges...

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Veröffentlicht in:Physics letters. B 1994-06, Vol.331 (1-2), p.19-24
Hauptverfasser: Bernas, M., Czajkowski, S., Armbruster, P., Geissel, H., Dessagne, Ph, Donzaud, C., Faust, H-R., Hanelt, E., Heinz, A., Hesse, M., Kozhuharov, C., Miehe, Ch, Münzenberg, G., Pfützner, M., Röhl, C., Schmidt, K.-H., Schwab, W., Stéphan, C., Sümmerer, K., Tassan-Got, L., Voss, B.
Format: Artikel
Sprache:eng
Schlagworte:
Nuclear Experiment
Physics
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Zusammenfassung:Projectile fission of 238U was investigated at a bombarding energy of 750 A·MeV using a Pb target. Forward emitted fragments from 80Zn up to 155Ce were analyzed with the Fragment Separator (FRS) and unambigously identified by their energy-loss and time-of-flight. The magnetic selection of the largest momenta acted as a trigger of the low-energy fission component. More than forty new nuclear species were identified. The related isotopic production cross-sections are presented.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(94)90937-7