Simulation of the PXR and CBS spectra radiated by non-relativistic electrons in thin crystals

K. G. Batrakov; I. D. Feranchuk; O. M. Lugovskaya; S. N. Sytova

doi:10.1117/12.741928

23 May 2007 Simulation of the PXR and CBS spectra radiated by non-relativistic electrons in thin crystals

K. G. Batrakov, I. D. Feranchuk, O. M. Lugovskaya, S. N. Sytova

Proceedings Volume 6634, International Conference on Charged and Neutral Particles Channeling Phenomena II; 663412 (2007) https://doi.org/10.1117/12.741928
Event: International Conference on Charged and Neutral Particles Channeling Phenomena II, 2006, Rome, Italy

Abstract

Parametric X-ray radiation (PXR) and coherent bremsstrahlung (CB) from non-relativistic (or slow relativistic) electrons in crystals are analyzed theoretically in details. The influence of electron multiple scattering and incoherent bremsstrahlung background are taken into account when simulating of the PXR and CBS spectra. It is shown for the first time that the optimal geometry can allow one to suppress the influence of the electron multiple scattering if the following condition is fulfilled (see equation in manuscript) where ψ is the inclination angle of electron velocity vector relative to the reciprocal lattice vector corresponding to the radiation peak under consideration; βu = u/c; u is the value of electron velocity; &thgr; is the angle between electron velocity and wave vector of a photon. Optimal geometry gives possibility to use the thicker crystals and to increase the PXR intensity. For simulation of the PXR and CB spectra and calculation of their characteristics a software package "PXR analysis" is developed.

Citation Download Citation

K. G. Batrakov, I. D. Feranchuk, O. M. Lugovskaya, and S. N. Sytova "Simulation of the PXR and CBS spectra radiated by non-relativistic electrons in thin crystals", Proc. SPIE 6634, International Conference on Charged and Neutral Particles Channeling Phenomena II, 663412 (23 May 2007); https://doi.org/10.1117/12.741928

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