Responses of a 6LiI Bonner Sphere Spectrometer using the Monte Carlo codes PHITS and MCNPX

The response functions (RFs) of a Bonner Sphere Spectrometer (BSS) with a 6LiI thermal neutron detector were calculated using the Monte Carlo codes PHITS (version 3.26) and MCNPX (version 2.7.0), with their own default nuclear data libraries, and physics models. RFs were compared with other publishe...

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Bibliographic Details
Published in:Applied radiation and isotopes 2023-10, Vol.200, p.110976-110976, Article 110976
Main Authors: Santos Oliveira, Rafael, Batista da Silva, Juliana, Machado Mendes, Lucas Moacir, de Sousa Lacerda, Marco Aurélio
Format: Article
Language:English
Subjects:
Bonner sphere spectrometer
MCNP
Monte Carlo
Neutron spectrometry
PHITS
Response function
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Summary:The response functions (RFs) of a Bonner Sphere Spectrometer (BSS) with a 6LiI thermal neutron detector were calculated using the Monte Carlo codes PHITS (version 3.26) and MCNPX (version 2.7.0), with their own default nuclear data libraries, and physics models. RFs were compared with other published data, obtained for the same spectrometer using the MCNP6.1 code with its own physics models. A discussion on the influence of using different nuclear data libraries and physics models using these codes/versions is analyzed. •Response functions (RFs) of a BSS with a 6LiI thermal neutron detector were calculated with the codes PHITS and MCNPX.•Use of the default nuclear data libraries, and physics models of the codes.•RFs were compared with other published data.•RFs obtained can be used for neutron spectrometry in workplaces.
ISSN:0969-8043
1872-9800
DOI:10.1016/j.apradiso.2023.110976