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Low energy alpha particle spectroscopy using CR-39 detector |
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| Affiliation: | a Unite de Recherche en Genie Nucleaire Bp, 29, Draria, Alger, Algerie b J. Stefan Institute, Jamova 39, 1001, Ljubljana, Slovenia c Faculty for Civil Engineering, University of Maribor, Smetanova 17, 2000, Maribor, Slovenia |
| Abstract: | The possibility of using CR-39 to measure the depth profile of 10B in Si is analysed. The measuring technique exploits the 10B(n, )7Li nuclear reaction. For this reason the track parameters (size, optical properties) of low energy alpha-particles (<1.47 MeV) were studied. The results showed that an energy resolution of about 100 keV could be obtained by an appropriate selection of etching conditions. The profile of 10B in Si at a depth as small as 1 μm can be measured. |
| Keywords: | Alpha spectroscopy chemical etching CR-39 depth profile neutrons |
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