Open AccessProceedings Article10.1117/12.639987

Intensive X-ray source optimization

- 08 Aug 2005

- Vol. 5974, pp 164-169

TL;DR: In this article, the inverse Compton transform was used to restore the spectrum of the measured scattered radiation by means of the Compton transform, which is based on the Compton scattering of X-radiation.

Abstract: Optimization possibility of an intensive radiation source by electrons in crystals was considered. The technique is based on the Compton scattering of X-radiation. To obtain the initial "true" radiation spectrum, it is necessary to restore the spectrum of the measured scattered radiation by means of the inverse Compton transform.© (2005) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

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In this paper, a method of optimization of intensive X-ray sources is proposed based on the results received by authors at investigations of gamma radiation of electrons in thick single crystals.

Fig. 5. Compton spectra for hydrogen systems with different Z for No Kα1 radiation (ω1≈17,4 keV) calculated in impulse approximation [16]

Fig. 6. Compton spectra for hydrogen systems with Z=3 for W Kα1 radiation (ω1≈59,3 keV) calculated in impulse approximation [16]

Fig. 4. The dependence of scattered photon energy vs the initial photon energy for two scattering angles 30 ° and 110°

Fig. 3. (a) –spectra of gamma-radiation by 1.2 GeV electrons passing through W crystals.. 1– W (100), 1.18 mm ; 2– W (111), 3.2 mm thickness; 3 – W, random, 3.2 mm thickness (b) – the same spectra, fitted at the energy ω=22 MeV

Fig. 2. Spectra of gamma-radiation by 1,2 GeV electrons passing through the Si crystals along the <111> axis. The collimation angle ϑc = 0.213 mrad Dashed line – spectra levels for random crystals

Fig. 1. Scheme of the experimental setup: 1- target; 2- goniometer; 3- deflecting electromagnet; 4- photon beam collimator; 5, 10- cleaning electromagnets; 6- scatterer; 7- ionization chamber; 8- lead block; 9, 11, 12- measuring-channel collimators; 13- cleaning magnet; 14- gamma spectrometer; 15- lead shielding of the spectrometer; 16- concrete wall

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Compton Scattering of X Rays from Bound Electrons

P. Eisenberger, +1 more

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- Physical Review A

TL;DR: In this article, the impulse approximation (IA) was used to analyze Compton scattering measurements, and its accuracy was compared with the exact calculations for Compton scattering from a hydrogenic system.

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TL;DR: The fundamental interactions of keV photons with matter, i.e. photoelectric effect and coherent and incoherent scattering are treated from a non-traditional point of view in this paper, where energy-dispersive X-ray fluorescence, Compton profile measurements, and general scattering techniques are described.

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Journal Article•10.1016/0168-583X(89)90417-5

Measurement of spectral and polarization characteristics of parametric X-rays in a Si crystal

Yu. N. Adishchev, +4 more

- 01 Dec 1989

- Nuclear Instruments & Methods in Physics...

TL;DR: In this article, a displacement of the PX spectral line was observed with the crystal rotation and in scanning PX radiation reflection by a detector, and a high degree of linear polarization (P = 0.8) was obtained.

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Journal Article•10.1016/0375-9601(85)90770-4

Observation of monochromatic X-ray radiation from 900 MeV electrons transmitting through a diamond crystal

A. N. Didenko, +7 more

- 15 Jul 1985

- Physics Letters A

TL;DR: A new source of monochromatic X-ray radiation from a relativistic electron beam transmitted through a crystal target is experimentally observed in this article, where the electron beam is transmitted through the crystal.

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Journal Article•10.1016/S0168-583X(02)01180-1

Experiment with a crystal-assisted positron source using 6 and 10 GeV electrons

X. Artru, +32 more

- 01 Jan 2003

- Nuclear Instruments & Methods in Physics...

TL;DR: In this paper, the positrons were detected by a drift chamber, partially immersed in a magnetic field, and the reconstructed trajectories allowed the determination of their energy and angular spectra.

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Intensive X-ray source optimization

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References

Compton Scattering of X Rays from Bound Electrons

Interaction of keV photons with matter and new applications

Measurement of spectral and polarization characteristics of parametric X-rays in a Si crystal

Observation of monochromatic X-ray radiation from 900 MeV electrons transmitting through a diamond crystal

Experiment with a crystal-assisted positron source using 6 and 10 GeV electrons

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