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A new γ-spectroscopy station at the University of Athens

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Published: Mar 8, 2019
DOI: https://doi.org/10.12681/hnps.1919
Keywords:
γ-ray spectroscopy HPGe detector efficiency calibration MCNP
V. Lagaki
Department of Physics, National Kapodistrian University of Athens
E. Kouvaris
Department of Physics, National Kapodistrian University of Athens
T. J. Mertzimekis
Department of Physics, National Kapodistrian University of Athens
Abstract

A new γ-spectroscopy station at the University of Athens has been recently deployed. The station is built around a 25% HPGe detector and aims at supporting the environmental radioactivity studies program of the NuSTRAP group at UoA. The detector needs detailed characterization of its efficiency and calibration over a rather wide range of energies. Besides standard calibration point sources (60Co, 137Cs, 152Eu and 226Ra), detector simulations using the Monte Carlo N-particle transport code (MCNP) were performed. Results of the MCNP calculations are shown and compared with real spectra showing satisfactory agreement

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References
F.B Brown, et al., “MCNP Version5”, LA-UR-02-3199 (2002)
C.A. Kalfas, “SpectrW: a spectra analysis program” (2012), private communication