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Thermal x-ray emission from ion-beam-heated matter
M Murakami1, J Meyer-Ter-Vehn, R Ramis
1Max-Planck-Institut für Quantenoptik, D-8046 Garching, Federal Republic of Germany.
Journal of X-Ray Science and Technology
|February 11, 2011
Summary
High-Z materials efficiently convert ion beam energy to thermal X-rays. This research provides practical insights for generating X-rays using intense heavy ion beams for fusion energy applications.
Area of Science:
- Plasma physics
- Nuclear fusion
- Radiation hydrodynamics
Background:
- Ion beam energy conversion into X-ray radiation is crucial for inertial confinement fusion.
- Understanding plasma behavior under intense ion beams is key to efficient energy transfer.
Purpose of the Study:
- To investigate the conversion of ion beam energy into thermal X-ray radiation.
- To derive scaling relations for different materials in this process.
- To provide practical data for thermal X-ray generation using intense heavy ion beams.
Main Methods:
- Analytic modeling of plasma dynamics.
- Numerical simulation of radiation hydrodynamics.
- One-dimensional analysis of energy conversion.
Main Results:
- High-Z materials exhibit superior conversion efficiency due to their equation-of-state properties.
- Scaling relations for various materials were successfully derived.
- The study identified required deposition powers for fusion applications.
Conclusions:
- High-Z materials are optimal for efficient thermal X-ray generation from ion beams.
- The findings offer practical guidance for ion beam-driven fusion research.
- Achieving high conversion efficiency requires specific deposition power levels.
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