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On the design and installation of a Compton–suppressed HPGe spectrometer at the Budapest neutron-induced prompt gamma spectroscopy (NIPS) facility

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Abstract

An important aspect of the ongoing upgrade at the Budapest PGAA-NIPS facility has been the design and installation of a second Compton-suppressed gamma spectrometer. The aim was to provide excellent spectroscopic conditions for future position sensitive and large sample prompt gamma activation analysis applications. The optimum geometry of the setup was determined by Monte Carlo calculations with the MCNP-CP code. The suppression factors for various layouts (co-axial, perpendicular), shapes (cylindrical, tapered), and thicknesses were compared at different gamma-ray energies. The optimum configuration, as a trade-off between performance and cost, was selected, purchased, and installed. Several characteristic features of a collimated, Compton-suppressed system could be revealed, which allowed us to achieve a better and cost-effective performance. The calculations were validated with a 14N(n,γ)15N calibration source.

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Acknowledgments

The authors acknowledge the financial support of the NAP VENEUS 08 project (Contract No. OMFB-00184/2006) and the technical help of Kálmán Takács. Certain commercial equipment, instruments, software or materials are identified in this paper in order to specify the experimental procedures in adequate detail. This identification does not imply that the equipment or materials identified are necessarily the best available for the purpose.

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Author notes

  1. Andrey N. Berlizov

    Present address: International Atomic Energy Agency, Vienna International Centre, P.O. Box 100, 1400, Vienna, Austria

Authors and Affiliations

  1. Nuclear Analysis and Radiography Department, Centre for Energy Research, Hungarian Academy of Sciences, P.O. Box 49, Budapest, 1525, Hungary

    László Szentmiklósi, Zoltán Kis & Tamás Belgya

  2. Institute for Nuclear Research, National Academy of Sciences of Ukraine, Prospekt Nauki 47, Kiev, MSP 03680, Ukraine

    Andrey N. Berlizov

Authors
  1. László Szentmiklósi
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  2. Zoltán Kis
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  3. Tamás Belgya
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  4. Andrey N. Berlizov
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Correspondence to László Szentmiklósi.

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Szentmiklósi, L., Kis, Z., Belgya, T. et al. On the design and installation of a Compton–suppressed HPGe spectrometer at the Budapest neutron-induced prompt gamma spectroscopy (NIPS) facility. J Radioanal Nucl Chem 298, 1605–1611 (2013). https://doi.org/10.1007/s10967-013-2555-2

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