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Proton energy behavior by variation of the target density in laser acceleration
https://repo.qst.go.jp/records/48503
https://repo.qst.go.jp/records/48503fe2190b5-6b69-4ae8-873e-d9f3ce26291f
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-02-14 | |||||
タイトル | ||||||
タイトル | Proton energy behavior by variation of the target density in laser acceleration | |||||
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 |
守田, 利昌
× 守田, 利昌× 守田 利昌 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Ion acceleration using a laser pulse irradiating a thin disk target is examined using three-dimensional and two-dimensional particle-in-cell simulations. A laser pulse of $620$ TW, with an intensity of $5\times 10^{21}$ W/cm$^{2}$ and a duration of $27$ fs is irradiated on to a double-layer target. Simulations are performed by varying the ion density, i.e., electron density, of the first layer with a fixed areal mass density. It is shown that the obtained proton energy increases dramatically for a certain density of the first layer, which is made of a material having a small mass over charge ratio, ``light'' material, such as carbon; that is, the Coulomb explosion of the target and radiation pressure acceleration act effectively above a certain density. Moreover, even for the same electron density, the reflection of the laser pulse from the first layer is small for a ``light'' material. |
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書誌情報 |
Physics of Plasmas 巻 24, 号 8, p. 083104-1-083104-11, 発行日 2017-08 |
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出版者 | ||||||
出版者 | American Institute of Physics | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.4995265 |