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		| Paper: | 
		Effects of Neutrino Opacity in Neutrino-dominated Accretion Models | 
	 
	
		| Volume: | 
		373, The Central Engine of Active Galactic Nuclei | 
	 
	
		| Page: | 
		135 | 
	 
	
		| Authors: | 
		Gu, W.-M.; Liu, T.; Lu, J.-F. | 
	 
	
	
		| Abstract: | 
		We show that the energy released by neutrino annihilation in neutrino-dominated accretion flows is sufficient for gamma-ray bursts when the contribution from the optically thick region of the flow is included. | 
	 
	
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