<abstract xmlns="http://www.w3.org/1999/xhtml">The aim of this study was to develop a numerical model of spectrometric thyroid counter, which is used for the measurements of internal contamination by <italic>in vivo</italic> method. The modeled detector is used for a routine internal exposure monitoring procedure in the Radiation Protection Measurements Laboratory of National Centre for Nuclear Research (NCBJ). This procedure may also be used for monitoring of occupationally exposed nuclear medicine personnel. The developed model was prepared using Monte Carlo code FLUKA 2011 ver. 2b.6 Apr-14 and FLAIR ver. 1.2-5 interface. It contains a scintillation NaI(Tl) detector, the collimator and the thyroid water phantom with a reference source of iodine 131I. The geometry of the model was designed and a gamma energy spectrum of iodine 131I deposited in the detector was calculated.</abstract>

The aim of this study was to develop a numerical model of spectrometric thyroid counter, which is used for the measurements of internal contamination by in vivo method. The modeled detector is used for a routine internal exposure monitoring procedure in the Radiation Protection Measurements Laboratory of National Centre for Nuclear Research (NCBJ). This procedure may also be used for monitoring of occupationally exposed nuclear medicine personnel. The developed model was prepared using Monte Carlo code FLUKA 2011 ver. 2b.6 Apr-14 and FLAIR ver. 1.2-5 interface. It contains a scintillation NaI(Tl) detector, the collimator and the thyroid water phantom with a reference source of iodine 131I. The geometry of the model was designed and a gamma energy spectrum of iodine 131I deposited in the detector was calculated.

Numerical model of thyroid counter

Faculty of Physics, Warsaw University, 5a Pasteura Str., 02-093 Warsaw, Poland, Tel.: +48 22 553 2000, Fax: +48 22 553 2999

National Centre for Nuclear Research, 7 Andrzeja Sołtana Str., 05-400 Otwock/Świerk, Poland

Nukleonika

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Numerical model of thyroid counter"}

The aim of this study was to develop a numerical model of spectrometric thyroid counter, which is used for the measurements of internal contamination by in...

Numerical model of thyroid counter

Published Online: Mar 17, 2016

Page range: 45 - 47

Received: Jul 31, 2014

Accepted: Aug 17, 2015

DOI: https://doi.org/10.1515/nuka-2016-0010

Keywords
iodine, Monte Carlo, FLUKA, gamma spectrometry, thyroid phantom

© 2016 Maciej Szuchta et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Numerical model of thyroid counter

Published Online: Mar 17, 2016

Page range: 45 - 47

Received: Jul 31, 2014

Accepted: Aug 17, 2015

DOI: https://doi.org/10.1515/nuka-2016-0010

Keywordsiodine, Monte Carlo, FLUKA, gamma spectrometry, thyroid phantom

© 2016 Maciej Szuchta et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
iodine, Monte Carlo, FLUKA, gamma spectrometry, thyroid phantom