The gamma-ray transitions from the states populated in <sup>56</sup>Fe, <sup> 75</sup>As and <sup>156</sup>Gd by the decay of <sup>56</sup>Co, <sup> 75</sup>Se and <sup>156</sup>Eu were investigated using six Ge(Li) detectors and an intrinsic Ge detector. Coincidence studies were undertaken with a Dual-Parameter Energy-Time Spectrometer employing a fast-plastic scintillator detector and two large volume Ge(Li) detectors. The energies and intensities of measured gamma-rays were determined. The lifetime of energy levels in the n sec. range belonging to <sup>75</sup>As and <sup>156</sup>Gd were measured. The level schemes were constructed; log ft values, transition multipolarities, spins and parities were deduced. Different shell-model calculations were discussed and compared with experimental results.
Identifer | oai:union.ndltd.org:bl.uk/oai:ethos.bl.uk:281233 |
Date | January 1980 |
Creators | Shaban, Aziz Mahmoud |
Publisher | Royal Holloway, University of London |
Source Sets | Ethos UK |
Detected Language | English |
Type | Electronic Thesis or Dissertation |
Source | http://repository.royalholloway.ac.uk/items/e62a890f-1a26-4d51-8904-90afe5c262f3/1/ |
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