利用虚光子理论对轴沟道辐射的分析
Analysis of axial channeling radiation with virtual photon theory
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摘要: 考虑电子的反冲的影响，利用虚光子与相对论电子的康普顿散射理论对轴沟道辐射进行了研究。在与电子纵向运动静止的坐标系中，把晶格场等效为虚光子。当虚光子与作沟道运动的电子发生康普顿散射时，虚光子就会转化为实光子辐射出去。根据该理论，得到了含有康普顿波长项的轴沟道辐射的精确波长表达式，其近似式就是经典理论推导的公式；同时得到了单电子轴沟道辐射的光子产额和辐射功率的公式，结果也与经典理论公式一致。Abstract: Considering recoil of electron, a new theory to explain axial channelling radiation is presented based on Compton scattering of virtual photon with relativistic electron. In the reference system of the electron at rest, the crystal field is taken as virtual photon. By Compton scattering of virtual photon with relativistic electron, the virtual photon can be transformed into real photon to radiate out. According to this theory, the precise wavelength formula of axial channelling radiation is obtained. The wavelength formula of classical theory is the approximate formula of the precise wavelength formula of axial channelling radiation. The precise power formula of axial channelling radiation is obtained. The results are consistent with classical scattering theory.
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Key words:
- axial channeling radiation /
- virtual photon /
- compton scattering /
- wavelength /
- power
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