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	   | Title | 
	   169: Runaway flattop mitigation by Neon shattered pellet injection | 
	   
	   
	   
	   | Name: | Nicolas Commaux commaux@fusion.gat.com  | 
	   Affiliation: | Oak Ridge National Lab | 
	   
	   
	   
	   | Research Area: | Disruption Mitigation | 
	   Presentation time:  | 
	    Not requested | 
	   
		
		
	   | Co-Author(s):  | L. Baylor, E. Hollmann, D. Humphreys, P. Parks,  N. Eidietis, J. Wesley, V. Izzo | 
	   ITPA Joint Experiment :  | 
	    No | 
	   
	   
	   
	   | Description:  |  | 
	   ITER IO Urgent Research Task  :  | 
	    Yes | 
	   
	   
	   
	   | Experimental Approach/Plan:  |  | 
	   | Background:  | Runaway formation in ITER might be impossible to avoid. There is thus an important need for a mitigation system working on an existing runaway beam. MGI was tested with some success in DIII-D previously using high Z impurities.  SPI with its faster delivery and high ram pressure migh provide a more efficient impurity delivery for this scheme. | 
	   | Resource Requirements:  | The SPI. Regular tokamak systems. Good beams availability, Argon pellet injector | 
	   | Diagnostic Requirements:  |  | 
	   | Analysis Requirements:  |  | 
	   | Other Requirements:  |  |