Assessment of neutron dosemeters around standard sources and nuclear fissile objects

N. Raimondi; B. Tournier; J. E. Groetz; J. Piot; E. Riebler; P. Crovisier; A. Chambaudet; N. Cabanne; Y. S. Horowitz; L. Oster

doi:10.1093/oxfordjournals.rpd.a005966

Assessment of neutron dosemeters around standard sources and nuclear fissile objects

N. Raimondi, B. Tournier, J. E. Groetz, J. Piot, E. Riebler, P. Crovisier, A. Chambaudet, N. Cabanne, Y. S. Horowitz, L. Oster

Department of Physics

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

In order to evaluate the neutron doses around nuclear fissile objects, a comparative study has been made on several neutron dosemeters: bubble dosemeters, etched-track detectors (CR-39) and ³He-filled proportional counters used as dose-rate meters. The measurements were made on the ambient and the personal dose equivalents H*(10) and H_p(10). Results showed that several bubble dosemeters should have been used due to a low reproducibility in the measurements. A strong correlation with the neutron energy was also found, with about a 30% underestimation of H_p(10) for neutrons from the PuBe source, and about a 9% overestimation for neutrons from the ²⁵²Cf source. Measurements of the nuclear fissile objects were made using the CR-39 and the dose-rate meters. The CR-39 led to an underestimation of 30% with respect to the neutron dose-rate meter measurements. In addition, the MCNP calculation code was used in the different configurations.

Original language	English
Pages (from-to)	197-200
Number of pages	4
Journal	Radiation Protection Dosimetry
Volume	101
Issue number	1-4
DOIs	https://doi.org/10.1093/oxfordjournals.rpd.a005966
State	Published - 1 Jan 2002

ASJC Scopus subject areas

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

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10.1093/oxfordjournals.rpd.a005966

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title = "Assessment of neutron dosemeters around standard sources and nuclear fissile objects",

abstract = "In order to evaluate the neutron doses around nuclear fissile objects, a comparative study has been made on several neutron dosemeters: bubble dosemeters, etched-track detectors (CR-39) and 3He-filled proportional counters used as dose-rate meters. The measurements were made on the ambient and the personal dose equivalents H*(10) and Hp(10). Results showed that several bubble dosemeters should have been used due to a low reproducibility in the measurements. A strong correlation with the neutron energy was also found, with about a 30% underestimation of Hp(10) for neutrons from the PuBe source, and about a 9% overestimation for neutrons from the 252Cf source. Measurements of the nuclear fissile objects were made using the CR-39 and the dose-rate meters. The CR-39 led to an underestimation of 30% with respect to the neutron dose-rate meter measurements. In addition, the MCNP calculation code was used in the different configurations.",

author = "N. Raimondi and B. Tournier and Groetz, {J. E.} and J. Piot and E. Riebler and P. Crovisier and A. Chambaudet and N. Cabanne and Horowitz, {Y. S.} and L. Oster",

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AU - Raimondi, N.

AU - Tournier, B.

AU - Groetz, J. E.

AU - Piot, J.

AU - Riebler, E.

AU - Crovisier, P.

AU - Chambaudet, A.

AU - Cabanne, N.

AU - Horowitz, Y. S.

AU - Oster, L.

PY - 2002/1/1

Y1 - 2002/1/1

N2 - In order to evaluate the neutron doses around nuclear fissile objects, a comparative study has been made on several neutron dosemeters: bubble dosemeters, etched-track detectors (CR-39) and 3He-filled proportional counters used as dose-rate meters. The measurements were made on the ambient and the personal dose equivalents H*(10) and Hp(10). Results showed that several bubble dosemeters should have been used due to a low reproducibility in the measurements. A strong correlation with the neutron energy was also found, with about a 30% underestimation of Hp(10) for neutrons from the PuBe source, and about a 9% overestimation for neutrons from the 252Cf source. Measurements of the nuclear fissile objects were made using the CR-39 and the dose-rate meters. The CR-39 led to an underestimation of 30% with respect to the neutron dose-rate meter measurements. In addition, the MCNP calculation code was used in the different configurations.

AB - In order to evaluate the neutron doses around nuclear fissile objects, a comparative study has been made on several neutron dosemeters: bubble dosemeters, etched-track detectors (CR-39) and 3He-filled proportional counters used as dose-rate meters. The measurements were made on the ambient and the personal dose equivalents H*(10) and Hp(10). Results showed that several bubble dosemeters should have been used due to a low reproducibility in the measurements. A strong correlation with the neutron energy was also found, with about a 30% underestimation of Hp(10) for neutrons from the PuBe source, and about a 9% overestimation for neutrons from the 252Cf source. Measurements of the nuclear fissile objects were made using the CR-39 and the dose-rate meters. The CR-39 led to an underestimation of 30% with respect to the neutron dose-rate meter measurements. In addition, the MCNP calculation code was used in the different configurations.

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Assessment of neutron dosemeters around standard sources and nuclear fissile objects

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