Energy Spectra Of Photoprotons From Aluminium, Sulphur, And Silicon
- 1 January 1966
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Physics
- Vol. 19 (3) , 297-308
- https://doi.org/10.1071/ph660297
Abstract
Energy distributions of photoprotons emitted at 900 to the bombarding X-ray beam of the Melbourne 35 MeV betatron from thin targets of natural aluminium, sulphur, and silicon, measured with a scintillation spectrometer incorporating pulse-shape discrimination (PSD), are presented. The 27AI proton spectrum, whose shape is found to be inconsistent with predominant evaporation of particles from a compound nucleus, exhibits a "hump" at 8�6 MeV, which is attributed to transitions between known levels in target and residual nuclei.Keywords
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