Energy and angular dependence of the small-type OSL dosimeter in nuclear medicine regions using Monte Carlo simulation
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- Cruz Vergil Lorenzo E.
- Nagase Landauer, Ltd.
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- Okazaki Tohru
- Nagase Landauer, Ltd.
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- Hayashi Hiroaki
- Graduate School of Health Sciences, Tokushima University / College of Medical, Pharmaceutical and Health Sciences, Kanazawa University
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- Mihara Yoshiki
- Graduate School of Health Sciences, Tokushima University
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- Asahara Takashi
- Graduate School of Health Sciences, Tokushima University
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- Kimoto Natsumi
- Graduate School of Health Sciences, Tokushima University
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- Okino Hiroki
- Graduate School of Health Sciences, Tokushima University
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- Kanazawa Yuki
- Graduate School of Health Sciences, Tokushima University
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- Hashizume Takuya
- Nagase Landauer, Ltd. / SOKENDAI, Shonan Village
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- Kobayashi Ikuo
- Nagase Landauer, Ltd.
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抄録
Radiation doses received by patients and medical staff from examinations using X-rays and radioactive materials have been increasing, and a reliable radiation dosimetry system is a necessity. An OSL dosimeter can be used and applied in such situations. However at this time, its property for nuclear medicine region is unclear. When we calculate the basic properties in this region using the Monte-Carlo simulation code, the consideration of secondary electron equilibrium is important. The aim of this study is to propose a compact irradiation system for simulation study, and use it to evaluate the energy and angular dependence of the small-type OSL dosimeter. The proposed system uses a phantom of acrylic and we examined which phantom thickness will be used considering the accuracy of the simulation and the contamination from scattered rays. Then, this system was applied to determine angular and energy dependences of the small-type OSL dosimeter. Experiments using the OSL dosimeter were performed in order to check the accuracy of the simulations. In addition when simulating the response of the OSL dosimeter, we determined the basic parameters of the detection material. We performed several situations, and concluded that the following parameters were in good agreement with the experiment: a detection layer of 100% Al2O3 with a density of 1.41 g/cm3.
収録刊行物
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- Progress in Nuclear Science and Technology
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Progress in Nuclear Science and Technology 6 (0), 34-38, 2019-01-31
Atomic Energy Society of Japan
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詳細情報 詳細情報について
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- CRID
- 1390001288126835200
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- NII論文ID
- 40021811887
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- NII書誌ID
- AA12785802
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- NDL書誌ID
- 029520816
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- ISSN
- 21854823
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可