EURADOS 241Am skull measurement intercomparison

P. Nogueira; W. Rühm; M.A. Lopez; T. Vrba; W. Buchholz; P. Fojtík; G. Etherington; D. Broggio; J. Huikari; O. Marzocchi; T. Lynch; Anne Laure Lebacq; C. Li; J. Osko; A. Malatova; D. Franck; B. Breustedt; D. Leone; J. Scott; A. Shutt; B. Hauck; K. Capello; B. Pérez-Lopez; J.F. Navarro-Amaro; T. Pliszczynski; K. Fantínov; S.Y. Tolmachev; Filip Vanhavere

doi:10.1016/j.radmeas.2015.07.011

EURADOS 241Am skull measurement intercomparison

P. Nogueira, W. Rühm, M.A. Lopez, T. Vrba, W. Buchholz, P. Fojtík, G. Etherington, D. Broggio, J. Huikari, O. Marzocchi, T. Lynch, Anne Laure Lebacq, C. Li, J. Osko, A. Malatova, D. Franck, B. Breustedt, D. Leone, J. Scott, A. ShuttB. Hauck, K. Capello, B. Pérez-Lopez, J.F. Navarro-Amaro, T. Pliszczynski, K. Fantínov, S.Y. Tolmachev, Filip Vanhavere

Dosimetric and Calibration Services

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Abstract

In 2011 a measurement intercomparison was launched by EURADOS WG7, with the objective of providing the participants with the tools to calibrate their detection systems for detection of 241Am in the skull bone, and evaluate the variability due to the used of the different calibration phantoms. Three skull phantoms were used in this intercomparison: the USTUR Case 0102 skull phantom, the BfS skull phantom and the CSR skull phantom. Very good agreement was found between the results of the twelve participating laboratories, with relative deviations of less than 15% for the BfS phantom and less than 17% for the USTUR phantom when measurement efficiency in defined positions was compared. However, the phantoms' measured absolute 241Am activities showed discrepancies of up to a factor of 3.4. This is mainly due to the physical differences between the standard calibration phantoms used by the participants and those used in this intercomparison exercise.

Original language	English
Pages (from-to)	64-73
Journal	Radiation Measurements
Volume	82
DOIs	https://doi.org/10.1016/j.radmeas.2015.07.011
State	Published - Nov 2015

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Cite this

Nogueira, P., Rühm, W., Lopez, M. A., Vrba, T., Buchholz, W., Fojtík, P., Etherington, G., Broggio, D., Huikari, J., Marzocchi, O., Lynch, T., Lebacq, A. L., Li, C., Osko, J., Malatova, A., Franck, D., Breustedt, B., Leone, D., Scott, J., ... Vanhavere, F. (2015). EURADOS 241Am skull measurement intercomparison. Radiation Measurements, 82, 64-73. https://doi.org/10.1016/j.radmeas.2015.07.011

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title = "EURADOS 241Am skull measurement intercomparison",

abstract = "In 2011 a measurement intercomparison was launched by EURADOS WG7, with the objective of providing the participants with the tools to calibrate their detection systems for detection of 241Am in the skull bone, and evaluate the variability due to the used of the different calibration phantoms. Three skull phantoms were used in this intercomparison: the USTUR Case 0102 skull phantom, the BfS skull phantom and the CSR skull phantom. Very good agreement was found between the results of the twelve participating laboratories, with relative deviations of less than 15% for the BfS phantom and less than 17% for the USTUR phantom when measurement efficiency in defined positions was compared. However, the phantoms' measured absolute 241Am activities showed discrepancies of up to a factor of 3.4. This is mainly due to the physical differences between the standard calibration phantoms used by the participants and those used in this intercomparison exercise.",

keywords = "EURADOS, intercomparison, skull phantom, americium-241, partial body counter, in vivo",

author = "P. Nogueira and W. R{\"u}hm and M.A. Lopez and T. Vrba and W. Buchholz and P. Fojt{\'i}k and G. Etherington and D. Broggio and J. Huikari and O. Marzocchi and T. Lynch and Lebacq, {Anne Laure} and C. Li and J. Osko and A. Malatova and D. Franck and B. Breustedt and D. Leone and J. Scott and A. Shutt and B. Hauck and K. Capello and B. P{\'e}rez-Lopez and J.F. Navarro-Amaro and T. Pliszczynski and K. Fant{\'i}nov and S.Y. Tolmachev and Filip Vanhavere",

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doi = "10.1016/j.radmeas.2015.07.011",

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Nogueira, P, Rühm, W, Lopez, MA, Vrba, T, Buchholz, W, Fojtík, P, Etherington, G, Broggio, D, Huikari, J, Marzocchi, O, Lynch, T, Lebacq, AL, Li, C, Osko, J, Malatova, A, Franck, D, Breustedt, B, Leone, D, Scott, J, Shutt, A, Hauck, B, Capello, K, Pérez-Lopez, B, Navarro-Amaro, JF, Pliszczynski, T, Fantínov, K, Tolmachev, SY & Vanhavere, F 2015, 'EURADOS 241Am skull measurement intercomparison', Radiation Measurements, vol. 82, pp. 64-73. https://doi.org/10.1016/j.radmeas.2015.07.011

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AU - Nogueira, P.

AU - Rühm, W.

AU - Lopez, M.A.

AU - Vrba, T.

AU - Buchholz, W.

AU - Fojtík, P.

AU - Etherington, G.

AU - Broggio, D.

AU - Huikari, J.

AU - Marzocchi, O.

AU - Lynch, T.

AU - Lebacq, Anne Laure

AU - Li, C.

AU - Osko, J.

AU - Malatova, A.

AU - Franck, D.

AU - Breustedt, B.

AU - Leone, D.

AU - Scott, J.

AU - Shutt, A.

AU - Hauck, B.

AU - Capello, K.

AU - Pérez-Lopez, B.

AU - Navarro-Amaro, J.F.

AU - Pliszczynski, T.

AU - Fantínov, K.

AU - Tolmachev, S.Y.

A2 - Vanhavere, Filip

N1 - Score = 10

PY - 2015/11

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N2 - In 2011 a measurement intercomparison was launched by EURADOS WG7, with the objective of providing the participants with the tools to calibrate their detection systems for detection of 241Am in the skull bone, and evaluate the variability due to the used of the different calibration phantoms. Three skull phantoms were used in this intercomparison: the USTUR Case 0102 skull phantom, the BfS skull phantom and the CSR skull phantom. Very good agreement was found between the results of the twelve participating laboratories, with relative deviations of less than 15% for the BfS phantom and less than 17% for the USTUR phantom when measurement efficiency in defined positions was compared. However, the phantoms' measured absolute 241Am activities showed discrepancies of up to a factor of 3.4. This is mainly due to the physical differences between the standard calibration phantoms used by the participants and those used in this intercomparison exercise.

AB - In 2011 a measurement intercomparison was launched by EURADOS WG7, with the objective of providing the participants with the tools to calibrate their detection systems for detection of 241Am in the skull bone, and evaluate the variability due to the used of the different calibration phantoms. Three skull phantoms were used in this intercomparison: the USTUR Case 0102 skull phantom, the BfS skull phantom and the CSR skull phantom. Very good agreement was found between the results of the twelve participating laboratories, with relative deviations of less than 15% for the BfS phantom and less than 17% for the USTUR phantom when measurement efficiency in defined positions was compared. However, the phantoms' measured absolute 241Am activities showed discrepancies of up to a factor of 3.4. This is mainly due to the physical differences between the standard calibration phantoms used by the participants and those used in this intercomparison exercise.

KW - EURADOS

KW - intercomparison

KW - skull phantom

KW - americium-241

KW - partial body counter

KW - in vivo

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_140783

UR - http://knowledgecentre.sckcen.be/so2/bibref/13036

U2 - 10.1016/j.radmeas.2015.07.011

DO - 10.1016/j.radmeas.2015.07.011

M3 - Article

SN - 1350-4487

VL - 82

SP - 64

EP - 73

JO - Radiation Measurements

JF - Radiation Measurements

ER -