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High-resolution in-beam particle spectroscopy --New results on prompt proton emission from 58Cu |
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| Authors: | D Rudolph DG Sarantites C Andreoiu C Fahlander DP Balamuth RJ Charity M Devlin J Eberth A Galindo-Uribarri PA Hausladen D Seweryniak LG Sobotka Th Steinhardt |
| Institution: | Department of Physics, Lund University, S-22100 Lund, Sweden, SE Chemistry Department, Washington University, St. Louis, MO 63130, USA, US Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA, US Institut für Kernphysik, Universit?t zu K?ln, D-50937 K?ln, Germany, DE Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA, US Physics Division, Argonne National Laboratory, Argonne, IL 60439, USA, US |
| Abstract: | Prompt proton decay lines in 58Cu have been studied by means of high-resolution in-beam particle-γ coincidence spectroscopy using the GAMMASPHERE Ge-detector array in conjunction with a dedicated set of ancillary detectors including four ΔE-E silicon-strip telescopes. High-spin states in 58Cu have been populated via the heavy-ion fusion-evaporation reaction 28Si(36Ar, 1α1p1n) at 148 MeV beam energy. The full-width at half maximum for the proton peak could be reduced significantly compared to earlier experiments. The results indicate that only one prompt proton decay branch exists in the decay-out of the well-deformed band of 58Cu. Received: 11 March 2002 / Accepted: 10 April 2002 |
| Keywords: | PACS 23 20 Lv Gamma transitions and level energies – 23 50 +z Decay by proton emission – 27 40 +z 39 ?A? 58 |
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