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Evaluation of neutron ambient dose equivalent in carbon-ion radiotherapy with energy scanning
https://repo.qst.go.jp/records/80830
https://repo.qst.go.jp/records/808308af6fba2-70ad-45d0-876e-514a383d82df
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2020-10-28 | |||||
| タイトル | ||||||
| タイトル | Evaluation of neutron ambient dose equivalent in carbon-ion radiotherapy with energy scanning | |||||
| 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 |
Matsumoto, Shinnosuke
× Matsumoto, Shinnosuke× Yonai, Shunsuke× Shinnosuke, Matsumoto× Shunsuke, Yonai |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | In carbon-ion radiotherapy (CIRT), secondary neutrons are produced by nuclear interactions in the beamline devices or patient. Herein, the characteristics of secondary neutrons in CIRT with energy scanning (ES) were evaluated. Neutron ambient dose equivalents (H*(10)) were measured using WENDI-II. The neutron energy spectrum was calculated using the Monte Carlo simulation. Measurement and calculation were performed under realistic case scenarios using maximum beam energies (Emax) of 290, 350, and 400 MeV/u. Moreover, H*(10) in ES was compared with H*(10) in range-shifter scanning (RS) and hybrid scanning (HS). H*(10) in Emax = 290 MeV/u was 65% less than that in Emax = 400 MeV/u. At Emax = 350 MeV/u, H*(10) in ES at θ = 120 was 42% of that at θ = 60. The neutron dose in ES CIRT decreased to approximately 60% and 70% of that in RS and HS CIRT, respectively, at 50-cm distance from the beam axis. | |||||
| 書誌情報 |
Radiation Protection Dosimetry 巻 191, 号 3, p. 310-318, 発行日 2020-10 |
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| 出版者 | ||||||
| 出版者 | Oxford University Press | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 0144-8420 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1093/rpd/ncaa166 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://academic.oup.com/rpd/advance-article/doi/10.1093/rpd/ncaa166/5941759?searchresult=1 | |||||
