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Reconstruction of Neutral Hydrogen Density Profiles in HANBIT Magnetic Mirror Device Using Bayesian Probability Theory

J.-S. Yoon, D.-C. Seo, H.-K. Na, S.-W. Yoon

Fusion Science and Technology / Volume 47 / Number 1T / January 2005 / Pages 273-275

Technical Paper / Open Magnetic Systems for Plasma Confinement /

Hydrogen is the main constitute of plasmas in HANBIT magnetic mirror device, therefore, measurement of the emission from excited levels of hydrogen atoms is an important diagnostic tool. From the emissivity of H radiation one can derive quantities such as the neutral hydrogen density and the source rate. An unbiased and consistent probability theory based approach within the framework of Bayesian inference is applied to the reconstruction of H emissivity profiles and hydrogen neutral density profiles in HANBIT magnetic mirror device.

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