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Updated: Jan 25, 2026

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Laser-PIXE using laser-accelerated proton beams.

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Summary
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Laser-driven proton beams offer a compact alternative for Particle Induced X-ray Emission (PIXE) analysis. This study shows laser-PIXE can analyze larger volumes and multilayer materials in cultural heritage, outperforming conventional methods.

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Area of Science:

  • Physics
  • Materials Science
  • Cultural Heritage Science

Background:

  • Laser-driven proton acceleration offers compact particle sources with unique properties like higher brilliance and shorter duration compared to conventional radio-frequency sources.
  • Particle Induced X-ray Emission (PIXE) is an established ion beam analysis (IBA) technique for material composition analysis.

Purpose of the Study:

  • To investigate the feasibility of using laser-accelerated proton beams for Particle Induced X-ray Emission (laser-PIXE) analysis.
  • To evaluate laser-PIXE's potential for analyzing materials relevant to Cultural Heritage.

Main Methods:

  • Utilizing Geant4 simulations to model laser-PIXE interactions with various materials.
  • Comparing the analytical capabilities of laser-PIXE with conventional PIXE techniques.

Main Results:

  • Laser-PIXE demonstrates the capability to analyze a larger material volume compared to conventional PIXE.
  • The large energy spread of laser-accelerated protons enables the investigation of multilayer materials, an advantage over conventional PIXE.

Conclusions:

  • Laser-PIXE is a feasible technique for cultural heritage applications, offering enhanced analytical capabilities.
  • The unique characteristics of laser-driven proton beams provide significant advantages for material analysis in cultural heritage research.