• [1]

    liu Bo, Shen Peng Man. Chick Huan Ching. Phys. Rev., 1997, C55(6):3021–3025 [2] Liu Bo, Shen Peng Nian, Chiang Huan Ching. Science in China,1998, 28(4):349–355 [3] Karsch F, Mehr M T, Satz H Z. Phys., 1988, C37:617–622 [4] Martin A. Phys. Lett.,1986, B70(2): 192–194 [5] Jacobe S, Olsson M G, Suchyta Ⅲ C.Phys. Rev., 1986, D33(11):3338–3348[6] Particle Data Group. Phys. Rev., 1967, D45:531[7] Gao Song, Liu Bo, Chao Wei Qin. Phys. Lett., 1996, B378:23–28[8] Ukawa A. Nucl. Phys., 1989, A498:227c–248c