Springer Online Journal Archives 1860-2000
Abstract First results of the double-charge-exchange reaction9Be(13C,13O)9He, ELab=380 MeV, are presented. The ground state and an excited state at 3.8 MeV are clearly seen. A preliminary value of the9He mass excess is obtained: 41.5±0.6 MeV. Spectra of of the9Be(13C,14O) He-reaction have been measured with high resolution. The ground state transition appears as a pronounced sharp peak, but no other narrow peaks are observed.
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