Abstract.
The neutron deficient 199At nucleus has been studied in the 175Lu+28Si reaction at Eb= 141 MeV. In order to select events of interest in the presence of the very strong background caused by fission, γ-rays have been detected in coincidence with recoiling evaporation residues. The excited states of 199At observed for the first time may indicate that this nucleus is deformed.
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Received: 17 September 1998 / Revised version: 14 October 1998
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Męczyński, W., Bednarczyk, P., Chapman, R. et al. Gamma-spectroscopy of the 199At nucleus with the Recoil Filter Detector . EPJ A 3, 311–312 (1998). https://doi.org/10.1007/s100500050184
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DOI: https://doi.org/10.1007/s100500050184