An electron-beam based Compton scattering x-ray source for probing high-energy-density physics
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arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2022
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| _version_ | 1866914794369449984 |
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| author | Rinderknecht, H. G. Bruhaug, G. Muşat, V. Gregori, G. Poole, H. Collins, G. W. |
| author_facet | Rinderknecht, H. G. Bruhaug, G. Muşat, V. Gregori, G. Poole, H. Collins, G. W. |
| contents | The physics basis for an electron-beam based Compton scattering (ECOS) x-ray source is investigated for single-shot experiments at major high energy density facilities such as the Omega Laser Facility, National Ignition Facility, and Z pulsed power facility. A source of monoenergetic ($δε/ε< 5\%$) 10- to 50-keV x rays can be produced by scattering of a short-pulse optical laser by a 23- to 53-MeV electron beam and collimating the scattered photons. The number and spectrum of scattered photons is calculated as a function of electron packet charge, electron and laser pulse duration, laser intensity, and collision geometry. A source with greater than 10$^{10}$ photons in a 1-mm radius spot at the OMEGA target chamber center and 100-ps time resolution is plausible with the available electron gun and laser technology. Design requirements for diffraction, inelastic scattering and imaging experiments as well as opportunities for improved performance are discussed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2207_01549 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | An electron-beam based Compton scattering x-ray source for probing high-energy-density physics Rinderknecht, H. G. Bruhaug, G. Muşat, V. Gregori, G. Poole, H. Collins, G. W. Plasma Physics The physics basis for an electron-beam based Compton scattering (ECOS) x-ray source is investigated for single-shot experiments at major high energy density facilities such as the Omega Laser Facility, National Ignition Facility, and Z pulsed power facility. A source of monoenergetic ($δε/ε< 5\%$) 10- to 50-keV x rays can be produced by scattering of a short-pulse optical laser by a 23- to 53-MeV electron beam and collimating the scattered photons. The number and spectrum of scattered photons is calculated as a function of electron packet charge, electron and laser pulse duration, laser intensity, and collision geometry. A source with greater than 10$^{10}$ photons in a 1-mm radius spot at the OMEGA target chamber center and 100-ps time resolution is plausible with the available electron gun and laser technology. Design requirements for diffraction, inelastic scattering and imaging experiments as well as opportunities for improved performance are discussed. |
| title | An electron-beam based Compton scattering x-ray source for probing high-energy-density physics |
| topic | Plasma Physics |
| url | https://arxiv.org/abs/2207.01549 |