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Energy measurement of laser-accelerated protons by using a nuclear emulsion
https://repo.qst.go.jp/records/73160
https://repo.qst.go.jp/records/7316031758e5a-3a41-46f0-a568-dfa147410cb5
Item type | 会議発表用資料 / Presentation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2019-01-21 | |||||
タイトル | ||||||
タイトル | Energy measurement of laser-accelerated protons by using a nuclear emulsion | |||||
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_c94f | |||||
資源タイプ | conference object | |||||
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 |
Takafumi, Asai
× Takafumi, Asai× Kanasaki, Masato× Jinno, Satoshi× Shutoh, Nobumichi× Yamauchi, Tomoya× Oda, Keiji× Morishima, Kunihiro× Fukuda, Yuuji× 浅井 孝文× 金崎 真聡× 神野 智史× 山内 知也× 小田 啓二× 森島 邦博× 福田 祐仁 |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The purpose of this study is measuring energy of laser-accelerated protons from the hydrogen cluster target by using a nuclear emulsion, and crosschecking the results of CR-39 detectors. The CR-39 detectors, which are the most sensitive solid state nuclear track detectors (SSNTD), have been used for long time to understand the both of spatial distributions and energy spectra of laser-accelerated ions. In such a situation, we have studied the applicability of a nuclear emulsion as the alternative ion detector for laser-accelerated ions. In the laser-driven ion acceleration experiments, not only ions, but also copious energetic electrons and X rays are simultaneously generated. Threfore, to suppress the background noise signals from the electrons and X rays, pH level of the developer and the development time of a nuclear emulsion are optimized. As a result, we have for the first time succeeded in identifying the signals from laser-accelerated protons up to 11.5 MeV and obtained an energy spectrum. The spectrum shows a good agreement with that obtained by CR-39. | |||||
会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 第2回QST国際シンポジウム | |||||
発表年月日 | ||||||
日付 | 2018-11-28 | |||||
日付タイプ | Issued |