Experimental study of concrete activation compared to MCNP simulations for safety of neutron sources

D. Hajdú; E. Dian; K. Gméling; E. Klinkby; C. P. Cooper-Jensen; J. Osán; P. Zagyvai

doi:10.1016/j.apradiso.2021.109644

Experimental study of concrete activation compared to MCNP simulations for safety of neutron sources

D. Hajdú^*, E. Dian, K. Gméling, E. Klinkby, C. P. Cooper-Jensen, J. Osán, P. Zagyvai

^*Corresponding author for this work

Department of Physics

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

The neutron activation of shielding materials and the generated decay gamma radiation are well-known issues in terms of occupational exposure. Though the trace elements of shielding concretes can be dominant sources of the produced activity in such cases, their concentrations are often missing from the input data of shielding-related Monte Carlo simulations. For this reason, three concrete types were studied, that were considered in the European Spallation Source (ESS) ERIC. Their composition – including the trace elements – were determined via XRF, PGAA and NAA techniques. Realistic input data were developed for these materials, containing the parent elements of all the dominant radioisotopes, and were validated against measured data of neutron irradiation experiments.

Original language	English
Article number	109644
Journal	Applied Radiation and Isotopes
Volume	171
Number of pages	10
ISSN	0969-8043
DOIs	https://doi.org/10.1016/j.apradiso.2021.109644
Publication status	Published - 2021

Bibliographical note

Funding Information:
This project has received funding from the European Union's Horizon 2020 research and innovation program under grant agreement No 654000. Computing resources were provided by DMSC Computing Centre (https://europeanspallationsource.se/data-management-software/computing-centre). Katalin Gméling gratefully acknowledges the financial support of the NN 127102 project of the National Research, Development and Innovation Fund of Hungary. The authors would like to thank Boglárka Maróti for the PGAA measurements.

Keywords

Cinder
Concrete activation
ESS
MCNP
Neutron activation
Neutron shielding

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title = "Experimental study of concrete activation compared to MCNP simulations for safety of neutron sources",

abstract = "The neutron activation of shielding materials and the generated decay gamma radiation are well-known issues in terms of occupational exposure. Though the trace elements of shielding concretes can be dominant sources of the produced activity in such cases, their concentrations are often missing from the input data of shielding-related Monte Carlo simulations. For this reason, three concrete types were studied, that were considered in the European Spallation Source (ESS) ERIC. Their composition – including the trace elements – were determined via XRF, PGAA and NAA techniques. Realistic input data were developed for these materials, containing the parent elements of all the dominant radioisotopes, and were validated against measured data of neutron irradiation experiments.",

keywords = "Cinder, Concrete activation, ESS, MCNP, Neutron activation, Neutron shielding",

author = "D. Hajd{\'u} and E. Dian and K. Gm{\'e}ling and E. Klinkby and Cooper-Jensen, {C. P.} and J. Os{\'a}n and P. Zagyvai",

note = "Funding Information: This project has received funding from the European Union's Horizon 2020 research and innovation program under grant agreement No 654000. Computing resources were provided by DMSC Computing Centre (https://europeanspallationsource.se/data-management-software/computing-centre). Katalin Gm{\'e}ling gratefully acknowledges the financial support of the NN 127102 project of the National Research, Development and Innovation Fund of Hungary. The authors would like to thank Bogl{\'a}rka Mar{\'o}ti for the PGAA measurements. ",

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AU - Dian, E.

AU - Gméling, K.

AU - Klinkby, E.

AU - Cooper-Jensen, C. P.

AU - Osán, J.

AU - Zagyvai, P.

N1 - Funding Information: This project has received funding from the European Union's Horizon 2020 research and innovation program under grant agreement No 654000. Computing resources were provided by DMSC Computing Centre (https://europeanspallationsource.se/data-management-software/computing-centre). Katalin Gméling gratefully acknowledges the financial support of the NN 127102 project of the National Research, Development and Innovation Fund of Hungary. The authors would like to thank Boglárka Maróti for the PGAA measurements.

PY - 2021

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N2 - The neutron activation of shielding materials and the generated decay gamma radiation are well-known issues in terms of occupational exposure. Though the trace elements of shielding concretes can be dominant sources of the produced activity in such cases, their concentrations are often missing from the input data of shielding-related Monte Carlo simulations. For this reason, three concrete types were studied, that were considered in the European Spallation Source (ESS) ERIC. Their composition – including the trace elements – were determined via XRF, PGAA and NAA techniques. Realistic input data were developed for these materials, containing the parent elements of all the dominant radioisotopes, and were validated against measured data of neutron irradiation experiments.

AB - The neutron activation of shielding materials and the generated decay gamma radiation are well-known issues in terms of occupational exposure. Though the trace elements of shielding concretes can be dominant sources of the produced activity in such cases, their concentrations are often missing from the input data of shielding-related Monte Carlo simulations. For this reason, three concrete types were studied, that were considered in the European Spallation Source (ESS) ERIC. Their composition – including the trace elements – were determined via XRF, PGAA and NAA techniques. Realistic input data were developed for these materials, containing the parent elements of all the dominant radioisotopes, and were validated against measured data of neutron irradiation experiments.

KW - Cinder

KW - Concrete activation

KW - ESS

KW - MCNP

KW - Neutron activation

KW - Neutron shielding

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DO - 10.1016/j.apradiso.2021.109644

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SN - 0969-8043

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JO - Applied Radiation and Isotopes

JF - Applied Radiation and Isotopes

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ER -

Experimental study of concrete activation compared to MCNP simulations for safety of neutron sources

Abstract

Bibliographical note

Keywords

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