Generation of Cherenkov radiation in the soft x-ray region by 10-MeV electron accelerator

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AHMADI A.; AHMADI K.; KHALEGHI SH.

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Journal: Iranian Journal of Physics Research Year:2017 | Volume:17 | Issue:2 (suppl) Page(s): 279-287

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Title

Generation of Cherenkov radiation in the soft x-ray region by 10-MeV electron accelerator

Author(s)

AHMADI A. | AHMADI K. | KHALEGHI SH. | Issue Writer Certificate

Keywords

electron acceleratorQ1

Cherenkov radiationQ1

soft X-raysQ1

Abstract

Cherenkov radiation is generated when relativistic charged particles move in a medium with refractive index larger than unity. Although, the refractive index is generally smaller than unity in X-ray region, in the vicinity of atomic absorption edges, the refractive index may exceed unity and Cherenkov radiation can be generated in soft X-ray region with a narrow band width. In this paper, the spectral-angular distribution of X-ray Cherenkov radiation (XCR) and its properties are analyzed. It is shown that, by using electron accelerators which can produce 10 MeV electrons, with average current density 20 mA/mm2, and choosing different µ m-thick foils, one can produce soft X-ray Cherenkov radiation source with intensity about 10-4 ph/el, and X-ray photon energy from 50 eV up to 1 keV. Some unique properties of XCR, such as narrow band width and high brightness, make XCR a novel soft X-ray source for applications in soft X-ray microscopy, photoelectron spectroscopy, analysis of trace elements and other research areas.

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APA: Copy

AHMADI, A., AHMADI, K., & KHALEGHI, SH.. (2017). Generation of Cherenkov radiation in the soft x-ray region by 10-MeV electron accelerator. IRANIAN JOURNAL OF PHYSICS RESEARCH, 17(2 (suppl) ), 279-287. SID. https://sid.ir/paper/1816/en

Vancouver: Copy

AHMADI A., AHMADI K., KHALEGHI SH.. Generation of Cherenkov radiation in the soft x-ray region by 10-MeV electron accelerator. IRANIAN JOURNAL OF PHYSICS RESEARCH[Internet]. 2017;17(2 (suppl) ):279-287. Available from: https://sid.ir/paper/1816/en

IEEE: Copy

A. AHMADI, K. AHMADI, and SH. KHALEGHI, “Generation of Cherenkov radiation in the soft x-ray region by 10-MeV electron accelerator,” IRANIAN JOURNAL OF PHYSICS RESEARCH, vol. 17, no. 2 (suppl) , pp. 279–287, 2017, [Online]. Available: https://sid.ir/paper/1816/en

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