P-wave charmonium decays into baryon and antibaryon pairs in quark pair creation model R. G. Ping, B. S. Zou and H. C. Chiang Eur. Phys. J. A, 23 1 (2005) 129-133 Published online: 03 December 2004 DOI: 10.1140/epja/i2004-10069-9