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HPGe-detector shielding optimization with MCNP for the MEDINA neutron activation cell

T. Nicol 1 E. Mauerhofer C. Carasco 1 B. Perot 1 J. Collot 2
1 CEA-DES (ex-DEN) - CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire)
2 LPSC - Laboratoire de Physique Subatomique et de Cosmologie
Abstract : A gamma and neutron shielding for the HPGe-detector of the MEDINA facility is designed by means of MCNP5 simulations. The performance of the shielding is validated comparing MCNP5 calculations and experimental background reduction factors for easy-to-implement shielding configurations. A good correspondence between simulations and experiment is observed, which comfort the expected background reduction factors of about 4 to 5 predicted by simulation for the neutron and photon currents entering in the detector, respectively, in the case of a complete implementation of the neutron and gamma shielding in MEDINA.
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Journal articles
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http://hal.in2p3.fr/in2p3-01396806
Contributor : Emmanuelle Vernay <>
Submitted on : Tuesday, November 15, 2016 - 8:23:21 AM
Last modification on : Thursday, November 19, 2020 - 1:01:44 PM

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T. Nicol, E. Mauerhofer, C. Carasco, B. Perot, J. Collot. HPGe-detector shielding optimization with MCNP for the MEDINA neutron activation cell. Journal of Radioanalytical and Nuclear Chemistry, Springer Verlag, 2016, 310 (2), pp.865 - 874. ⟨10.1007/s10967-016-4816-3⟩. ⟨in2p3-01396806⟩

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