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Effect of Target Plate Reflection on H-Alpha Spectra in the Divertor Simulator MAP-II

Hiroto Matsuura, Ken Nakano, Yosuke Kuwahara, Shinichiro Kado

Fusion Science and Technology / Volume 55 / Number 2T / February 2009 / Pages 52-58

Technical Paper / Seventh International Conference on Open Magnetic Systems for Plasma Confinement /

Neutral particle behavior and H alpha emission spectrum are simulated with Monte Carlo code DEGAS for divertor simulator Material and Plasma(MAP)-II. Effect of plasma condition (ie. detach and attach) on neutral particle transport and H alpha emission is studied. Target plate reflection is the main neutral source for MAP-II attached plasma. Change of projectiles and comparison with puffing source are also shown.

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