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                                 Abstract:At the first stage the Radioactive Ions Beam Line in Lanzhou (RIBLL) is a Projectile Fragmentation (PF) type RNB facility,in which neutron-rich and protonrich RNB are produced by means of the energitic projectile fragmentation at around 0°.The mechanisms of RNB production,seperation,transportation and identification are introduced; the stucture and characteristics of this system are describted.The results of test run are also reported in this paper.
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                        References
	
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