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Doppler broadening measurements of the electron-positron annihilation radiation in nanocrystalline ZrO2

✍ Scribed by M. Chakrabarti; D. Bhowmick; A. Sarkar; S. Chattopadhyay; S. Dechoudhury; D. Sanyal; A. Chakrabarti


Publisher
Springer
Year
2005
Tongue
English
Weight
498 KB
Volume
40
Category
Article
ISSN
0022-2461

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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