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Monte Carlo simulation of photon emission below a few hundred kiloelectronvolts for beam monitoring in carbon ion therapy
https://repo.qst.go.jp/records/48537
https://repo.qst.go.jp/records/485375d514f9a-5cf9-4987-8e33-429a5182086f
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2017-01-13 | |||||
| タイトル | ||||||
| タイトル | Monte Carlo simulation of photon emission below a few hundred kiloelectronvolts for beam monitoring in carbon ion therapy | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
山口, 充孝
× 山口, 充孝× 長尾, 悠人× 佐藤, 隆博× 菅井, 裕之(群馬大学)× 酒井, 真理(群馬大学)× 荒川, 和夫× 河地, 有木× Yamaguchi, Mitsutaka× Nagao, Yuuto× Sato, Takahiro× Arakawa, Kazuo× Kawachi, Naoki |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | The purpose of this study is to determine whether the main component of the low-energy (63–68 keV) particles emitted perpendicularly to the 12C beam from the C-12-irradiated region in a water phantom is secondary electron bremsstrahlung (SEB). Monte Carlo simulations of a C-12-beam (290 MeV/u) irradiated on a water phantom were performed. A detector was placed beside the water phantom with a lead collimator between the phantom and the detector. To move the Bragg-peak position, a binary filter was placed in an upper stream of the phantom. The energy distributions of the particles incident on the detector and those deposited in the detector were analyzed. The simulation was also performed with suppressed delta-ray and/or bremsstrahlung generation to identify the SEB components. It was found that the particles incident on the detector were predominantly photons and neutrons. The yields of the photons and energy deposition decreased with the suppression of SEB generation. It is concluded that one of the predominant components of the yields in the regions shallower than the Bragg-peak position is due to SEB generation, and these components become significantly smaller in regions deeper than the Bragg-peak position. | |||||
| 書誌情報 |
Review of Scientific Instruments 巻 88, 号 1, p. 014301-1-014301-8, 発行日 2017-01 |
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| 出版者 | ||||||
| 出版者 | AIP Publishing | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 0034-6748 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1063/1.4973986 | |||||
| 関連サイト | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | http://dx.doi.org/10.1063/1.4973986 | |||||
