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Development of the New Method to Measure Laser-accelerated Sub-GeV Protons Utilizing Multiple Coulomb Scattering in an Emulsion Cloud Chamber
https://repo.qst.go.jp/records/83806
https://repo.qst.go.jp/records/83806b30b3505-18b7-4998-80d5-90a7f4946187
| Item type | 会議発表用資料 / Presentation(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2021-10-26 | |||||
| タイトル | ||||||
| タイトル | Development of the New Method to Measure Laser-accelerated Sub-GeV Protons Utilizing Multiple Coulomb Scattering in an Emulsion Cloud Chamber | |||||
| 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× Nobuko, Kitagawa× Nobumichi, Shutoh× Satoshi, Kodaira× Tomoya, Yamauchi× Keiji, Oda× Kunihiro, Morishima× Yuji, Fukuda× Takafumi, Asai× Satoshi, Kodaira× Yuji, Fukuda |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Laser plasma proton acceleration, where it was recently reported that near-100-MeV proton acceleration was demonstrated, offers the potential to realize a compact and cost-effective accelerator in the future. Because it can generate an extreme electric field that is over six orders of magnitude higher than that of a conventional radio-frequency accelerator apparatus. To understand the underlying physics of the acceleration process and increase maximum proton energy, precise measurement of both the energy spectrum and the two-dimensional distribution is required. Against this background, we have developed a new measurement method for laser-accelerated sub-GeV-class protons using the nuclear emulsion. Based on the Multiple Coulomb Scattering (MCS) method in an Emulsion Cloud Chamber (ECC), which is a stack of nuclear emulsion films and scatterer plates, the incident energies were inversely evaluated by the scattering angle. The proof-of-principle experiment has been conducted with the Heavy-Ion Medical Accelerator in Chiba (HIMAC) to verify that the ECC is able to identify sub-GeV protons with the MCS method. Combined with a technique of machine learning, a new measurement method has been developed to obtain an energy spectrum of laser-accelerated sub-GeV protons by the ECC with the MCS method. | |||||
| 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 | ICMaSS2021 | |||||
| 発表年月日 | ||||||
| 日付 | 2021-11-06 | |||||
| 日付タイプ | Issued | |||||
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Cite as
Takafumi, Asai, Kanasaki, Masato, Nobuko, Kitagawa, Nobumichi, Shutoh, Satoshi, Kodaira, Tomoya, Yamauchi, Keiji, Oda, Kunihiro, Morishima, Yuji, Fukuda, Takafumi, Asai, Satoshi, Kodaira, Yuji, Fukuda, n.d., Development of the New Method to Measure Laser-accelerated Sub-GeV Protons Utilizing Multiple Coulomb Scattering in an Emulsion Cloud Chamber.
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