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								. Particl Data Group. Phys. Lett., 2004, B592: 612. Ablikim M et al(BES Collab.). Nucl. Instrum. Methods,2005, A552: 344 
. Particl Data Group. Phys. Lett., 2004, B592: 612. Ablikim M et al(BES Collab.). Nucl. Instrum. Methods,2005, A552: 344