Unfolding of 239Pu–Be and 252Cf neutron energy spectra using passive multi-layer neutron spectrometer

Author:

Maciak Maciej12ORCID,Domański Szymon1,Tulik Piotr1,Tymińska Katarzyna1,Gryziński Michał A1ORCID

Affiliation:

1. Radiological Metrology and Biomedical Physics Division National Centre for Nuclear Research, Nuclear Facilities Operations Department, , 7 Andrzeja Sołtana Street, 05-400 Otwock, Poland

2. Warsaw University of Technology Faculty of Mechatronics, Institute of Metrology and Biomedical Engineering, , 8 św. Andrzeja Boboli Street, 02-525 Warsaw, Poland

Abstract

Abstract In the study, the passive multi-layer neutron spectrometer, based on thermoluminescence detectors, was tested in a calibration laboratory with 239Pu–Be and 252Cf isotopic sources. MCNP code was used for the calculation of the response functions for the neutron energy range from 1 meV to 100 MeV. It was also utilised for initial guess spectra calculations. Deconvolution was performed with MAXED and GRAVEL deconvolution codes resulting in the neutron spectra defined at the measuring point in the calibration laboratory.

Publisher

Oxford University Press (OUP)

Subject

Public Health, Environmental and Occupational Health,Radiology, Nuclear Medicine and imaging,General Medicine,Radiation,Radiological and Ultrasound Technology

Reference16 articles.

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4. 25 years of TL dosimetry at the Institute of Nuclear Physics, Kraków;Niewiadomski;Radiat. Prot. Dosim.,1996

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