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On-line isotope separation of projectile fragments produced in relativistic heavy-ion reactions |
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| Authors: | Y Nojiri K Matsuta T Minamisono K Sugimoto K Takeyama H Hamagaki S Nagamiya K Omata Y Shida I Tanihata T Kobayashi S Matsuki S Shimoura J R Alonso G Krebs T J M Symons |
| Institution: | (1) Faculty of Science, Osaka University, 560 Toyonaka, Japan;(2) INS, The University of Tokyo, 188 Tanashi, Japan;(3) The Institute for Physical and Chemical Research, 173 Wako, Japan;(4) National Laboratory for High Energy Physics, 305 Ibaraki, Japan;(5) Department of Physics, Faculty of Science, Kyoto University, 606 Kyoto, Japan;(6) Lawrence Berkeley Laboratory, 94707 Berkeley, Ca, USA |
| Abstract: | A new on-line isotope separator was constructed and used successfully for the study on short-lived isotopes at the Bevalac at Lawrence Berkeley Laboratory. The isotopes were produced through projectile fragmentation processes of high energy heavy-ion reactions. Various isotopes were rigidity-separated by use of a beam line and, finally, the desired single isotope was range analyzed to stop in a catcher. A large number of β-emitting21F nuclei were successfully collected and the nuclear lifetime was determined by detecting β-rays. |
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