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		| Paper: | 
		The Collapsar Model, Supernovae, and X-Ray Flashes | 
	 
	
		| Volume: | 
		312, Third Rome Workshop on Gamma-Ray Bursts in the Afterglow Era | 
	 
	
		| Page: | 
		327 | 
	 
	
		| Authors: | 
		Woosley, S.E.; Zhang, W.; Heger, A. | 
	 
	
	
		| Abstract: | 
		We consider the relation among collapsars, supernovae, and x-ray flashes with emphasis on how these events might help to distinguish the collapsar from other leading models. New two- and three-dimensional calculations are presented of relativistic jet propagation and break out in a massive Wolf-Rayet star. | 
	 
	
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