Enhanced Parametric X-Ray Emission from Grazing Incident Electrons

机译：掠入射电子增强的参量X射线发射

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摘要

Strong monochromatization of the parametric x-ray emission spectrum is predicted for electrons moving at small angles to the reflecting crystallographic plane of target crystals. The effect can only be realized far from the Bragg-resonance condition and is caused by a long "tail" in the angular parametric-x-ray distribution. In addition, there can be a substantial enhancement of the parametric x-ray yield from grazing-incidence electrons when there is strong asymmetric diffraction (the reflecting crystallographic plane is not parallel to the surface of the crystal). It is shown that this allows one to suppress the influence of photoabsorption on parametric x-ray emission.

机译：对于与目标晶体的反射晶体平面成小角度移动的电子，可以预测出参数X射线发射光谱的强烈单色化。该效果只能在远离布拉格共振条件的地方实现，并且是由角度参量x射线分布中的长“尾巴”引起的。另外，当存在强烈的不对称衍射（反射晶体平面不平行于晶体表面）时，掠入射电子的参数X射线产率会大大提高。结果表明，这可以抑制光吸收对参数X射线发射的影响。

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来源
《International Conference on Charged and Neutral Particles Channeling Phenomena II; Proceedings of SPIE-The International Society for Optical Engineering; vol.6634》|2006年|663417.1-663417.9|共9页
会议地点 Rome(IT)
作者
A.S. Lobko; N. Nasonov; H. Park; M. Piestrup; P. Zhukova;
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作者单位

Institute for Nuclear Problems, Belorussian State University, Minsk, Belarus;

Laboratory of Radiation Physics, Belgorod State University, Belgorod, Russia;

Adelphi Technology, Inc.San-Carlos, USA;

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原文格式 PDF
正文语种 eng
中图分类粒子物理学;
关键词
parametric x-ray; emission spectrum; spectral width; photoabsorption; enhancement of the emission yield;

机译：参数X射线发射光谱光谱宽度光吸收提高排放量;

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专利

1. Grazing incidence parametric X-ray emission [J] . N.N. Nasonov, P. Zhukova, M.A. Piestrup, Nuclear Instruments & Methods in Physics Research. B, Beam Interactions with Materials and Atoms . 2006,第1期

机译：掠入射入射X射线发射
2. Observation of the enhancement of parametric radiation under conditions of the grazing incidence of relativistic electrons on the crystal surface [J] . Eliseev AN, Kubankin AS, Nazhmudinov RM, JETP Letters . 2009,第6期

机译：相对论电子在晶体表面掠入射条件下参量辐射增强的观察
3. Grazing incidence parametric X-ray radiation from the relativistic electron beam moving in parallel to the superlattice surface [J] . Feranchuk ID, Feranchuk SI The European physical journal. Applied physics . 2007,第2期

机译：平行于超晶格表面移动的相对论电子束的掠入射入射X射线辐射
4. Enhanced Parametric X-Ray Emission from Grazing Incident Electrons [C] . A.S. Lobko, N. Nasonov, H. Park, International Conference on Charged and Neutral Particles Channeling Phenomena . 2007

机译：从放牧事件电子加强参数X射线排放
5. Calcium L(III) and L(II) region x-ray and electron emissions for near threshold electron excitation [D] . Wagner, Robert A. 1997

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6. X-ray Emission Spectroscopy as an In Situ Diagnostic Tool for X-ray Crystallography of Metalloproteins Using an X-ray Free Electron Laser [O] . Thomas Fransson, Ruchira Chatterjee, Franklin D. Fuller, -1

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7. First observation of parametric X-ray radiation enhancement for grazing incident electrons [O] . Eliseev A. N., Khablo V. A., Kubankin A. S., 2010

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8. CHARACTERISTIC STEADY-STATE ELECTRON EMISSION PROPERTIES FOR PARAMETRIC BLACKBODY X-RAY SPECTRA ON SEVERAL MATERIALS [R] . Neal J. Carron 1976

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Enhanced Parametric X-Ray Emission from Grazing Incident Electrons

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