Evaluation using GEANT4 of the transit dose in the Tunisian gamma irradiator for insect sterilization.
Identifieur interne : 000067 ( Ncbi/Checkpoint ); précédent : 000066; suivant : 000068Evaluation using GEANT4 of the transit dose in the Tunisian gamma irradiator for insect sterilization.
Auteurs : K. Mannai [Tunisie] ; B. Askri ; A. Loussaief ; A. TrabelsiSource :
- Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine [ 0969-8043 ] ; 2007.
Descripteurs français
- KwdFr :
- MESH :
- effets des radiations : Insectes.
- Animaux, Dose de radiation, Lutte biologique contre les organismes nuisibles, Radio-isotopes du cobalt, Rayons gamma, Tunisie.
- Wicri :
- geographic : Tunisie.
English descriptors
- KwdEn :
- MESH :
- chemical : Cobalt Radioisotopes.
- geographic : Tunisia.
- instrumentation : Pest Control, Biological.
- methods : Pest Control, Biological.
- radiation effects : Insects.
- Animals, Gamma Rays, Radiation Dosage.
Abstract
A simulation study of the Tunisian Gamma Irradiation Facility for sterile insects release programs has been realized using the GEANT4 Monte Carlo code of CERN. The dose was calculated and measured for high and low dose values inside the irradiation cell. The calculated high dose was in good agreement with measurements. However, a discrepancy between calculated and measured values occurs at dose levels commonly used for sterilization of insects. We argue that this discrepancy is due to the transit dose absorbed during displacement of targets from their initial position towards their irradiation position and displacement of radiation source pencils from storage towards their irradiation position. The discrepancy is corrected by taking into account the transit dose.
DOI: 10.1016/j.apradiso.2007.01.011
PubMed: 17395474
Affiliations:
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pubmed:17395474Le document en format XML
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<country xml:lang="fr">Tunisie</country>
<wicri:regionArea>Unité de Recherche de Physique Nucléaire et des Hautes énergies, Département de Physique, Faculté des Sciences de Tunis, El-Manar 2092</wicri:regionArea>
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<author><name sortKey="Loussaief, A" sort="Loussaief, A" uniqKey="Loussaief A" first="A" last="Loussaief">A. Loussaief</name>
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<term>Pest Control, Biological (instrumentation)</term>
<term>Pest Control, Biological (methods)</term>
<term>Radiation Dosage</term>
<term>Tunisia</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Animaux</term>
<term>Dose de radiation</term>
<term>Insectes (effets des radiations)</term>
<term>Lutte biologique contre les organismes nuisibles ()</term>
<term>Lutte biologique contre les organismes nuisibles (instrumentation)</term>
<term>Radio-isotopes du cobalt</term>
<term>Rayons gamma</term>
<term>Tunisie</term>
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<keywords scheme="MESH" type="geographic" xml:lang="en"><term>Tunisia</term>
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<keywords scheme="MESH" qualifier="effets des radiations" xml:lang="fr"><term>Insectes</term>
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<keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Pest Control, Biological</term>
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<front><div type="abstract" xml:lang="en">A simulation study of the Tunisian Gamma Irradiation Facility for sterile insects release programs has been realized using the GEANT4 Monte Carlo code of CERN. The dose was calculated and measured for high and low dose values inside the irradiation cell. The calculated high dose was in good agreement with measurements. However, a discrepancy between calculated and measured values occurs at dose levels commonly used for sterilization of insects. We argue that this discrepancy is due to the transit dose absorbed during displacement of targets from their initial position towards their irradiation position and displacement of radiation source pencils from storage towards their irradiation position. The discrepancy is corrected by taking into account the transit dose.</div>
</front>
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<affiliations><list><country><li>Tunisie</li>
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<tree><noCountry><name sortKey="Askri, B" sort="Askri, B" uniqKey="Askri B" first="B" last="Askri">B. Askri</name>
<name sortKey="Loussaief, A" sort="Loussaief, A" uniqKey="Loussaief A" first="A" last="Loussaief">A. Loussaief</name>
<name sortKey="Trabelsi, A" sort="Trabelsi, A" uniqKey="Trabelsi A" first="A" last="Trabelsi">A. Trabelsi</name>
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<country name="Tunisie"><noRegion><name sortKey="Mannai, K" sort="Mannai, K" uniqKey="Mannai K" first="K" last="Mannai">K. Mannai</name>
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