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Statistical analysis of the Doppler broadening coincidence spectrum of electron–positron annihilation radiation in silicon

✍ Scribed by E. do Nascimento; O. Helene; V.R. Vanin; M.T.F. da Cruz; M. Moralles


Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
586 KB
Volume
609
Category
Article
ISSN
0168-9002

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The profile of the annihilation radiation in aluminum using positrons from a 22 Na source was observed in a two-HPGe-detectors arrangement. The coincidence photon energy spectrum was fitted using a model function, accounting for both Doppler broadening and detector system response. Intensities of th