基于定向单晶的强伽马射线光源
Intensive gamma-ray light sources based on oriented single crystals
AI总结：
本文通过严格数值建模，证明了基于超相对论电子和正电子在定向单晶中沟道现象的强伽马射线光源的可行性，其光子通量显著高于现代激光康普顿光源。
摘要：
通过严格的数值建模，证明了基于超相对论性电子和正电子在定向单晶中沟道现象的伽马射线光源的可行性。针对入射到$10^{-1}-10^0$ mm厚金刚石和硅晶体上的10 GeV及亚GeV $e^{-}/e^{+}$束流进行了案例研究。结果表明，在适中的束流平均电流（$\lesssim 10$ $μ$A）下，在$10^1-10^3$ $μ$rad锥角和1\\%带宽内，能量范围为$10^0-10^2$ MeV的平均光子通量，对于电子可达到$10^{10}$ photon/s，对于正电子可达到$10^{10}-10^{12}$ photon/s。这些值高于现代激光康普顿伽马射线光源可获得的通量。
英文摘要：
The feasibility of gamma-ray light sources based on the channeling phenomenon of ultra-relativistic electrons and positrons in oriented single crystals is demonstrated using rigorous numerical modeling. Case studies are presented for 10 GeV and sub-GeV $e^{-}/e^{+}$ beams incident on $10^{-1}-10^0$ mm thick diamond and silicon crystals. It is shown that for moderate values of the beam average current ($\lesssim 10$ $μ$A) the average photon flux in the energy range $10^0-10^2$ MeV emitted within the $10^1-10^3$ $μ$rad cone and 1 \% bandwidth can be on the level of $10^{10}$ photon/s for electrons and $10^{10}-10^{12}$ photon/s for positrons. These values are higher than the fluxes available at modern laser-Compton gamma ray light sources.
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