High energy X-ray Compton spectroscopy via iterative reconstruction

D. Haden, G. Golovin, W. Yan, C. Fruhling, P. Zhang, B. Zhao, S. Banerjee, D. Umstadter

Research output: Contribution to journalArticle

Abstract

In this paper, we report on the design and implementation of a compact and robust Compton spectrometer capable of measuring x-rays in the energy range 1 to 20 MeV. An iterative reconstruction method was employed to reconstruct the x-ray spectrum without assuming an initial distribution function. Spectral resolution was further optimized by judicious choice of composition and thickness of the electron-convertor, as well as angular acceptance into the spectrometer. A particle transport code was used to account for all instrument-related factors. Performance of the spectrometer was demonstrated experimentally by characterizing x-rays generated by high-order multiphoton Thomson scattering.

Fingerprint

Spectrometers
Spectroscopy
spectrometers
X rays
spectroscopy
x rays
Thomson scattering
Spectral resolution
x ray spectra
acceptability
spectral resolution
Distribution functions
energy
distribution functions
Scattering
Electrons
Chemical analysis
electrons

Keywords

  • Compton scattering
  • Laser generated radiation
  • Nonlinear scattering
  • Spectrum reconstruction
  • X-ray spectroscopy

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

Cite this

High energy X-ray Compton spectroscopy via iterative reconstruction. / Haden, D.; Golovin, G.; Yan, W.; Fruhling, C.; Zhang, P.; Zhao, B.; Banerjee, S.; Umstadter, D.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 951, 163032, 21.01.2020.

Research output: Contribution to journalArticle

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AU - Haden, D.

AU - Golovin, G.

AU - Yan, W.

AU - Fruhling, C.

AU - Zhang, P.

AU - Zhao, B.

AU - Banerjee, S.

AU - Umstadter, D.

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AB - In this paper, we report on the design and implementation of a compact and robust Compton spectrometer capable of measuring x-rays in the energy range 1 to 20 MeV. An iterative reconstruction method was employed to reconstruct the x-ray spectrum without assuming an initial distribution function. Spectral resolution was further optimized by judicious choice of composition and thickness of the electron-convertor, as well as angular acceptance into the spectrometer. A particle transport code was used to account for all instrument-related factors. Performance of the spectrometer was demonstrated experimentally by characterizing x-rays generated by high-order multiphoton Thomson scattering.

KW - Compton scattering

KW - Laser generated radiation

KW - Nonlinear scattering

KW - Spectrum reconstruction

KW - X-ray spectroscopy

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