A fission fragment detector, SAPhIR, using photovoltaic cells has been developed and used with the multidetector array EUROBALL to select fission fragments produced in the 12C+238U eaction. These fission fragments, belonging to different regions of the mass chart, are very neutron rich.Their structure and, in particular, isomers identified in the range of 20ns up to 2μs, have been studied.
KeywordsLevel Scheme Photovoltaic Cell Fission Fragment Polycrystalline Silicon Thick Target
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