First evidence of ψ(2S)→Ω-Ω+

[1]
Farrar G R, Jackson R D. Phys. Rev. Lett., 1975,35: 1416; Ioffe B L. Phys. Lett. B, 1976, 63: 425; Vainshtein A I, Zakharov V I. Phys. Lett. B, 1978, 72: 368; Brodsky S J, Lepage G P. Phys. Rev. D, 1981, 24: 2848[2] Bolz J. Kroll P. Eur. Phys. J. C, 1998, 2: 545-556[3] BAI J Z et al. (BES collaboration). Phys. Rev. D, 2001, 63: 032002[4] Pedlar T K et al. (CLEO collaboration). Phys. Rev. D, 2005, 72: 051108[5] BAI J Z et al. (BES collaboration). Nucl. Instrum. Methods A, 2001, 458: 627[6] Ablikim M et al. (BES collaboration). Nucl. Instrum. Methods A, 2005, 552: 344[7] Beringer J et al. (Particle Data Group). Phys. Rev. D, 2012, 86: 010001 (web edition: accessed on July 09, 2012)[8] Ablikim M et al. (BES collaboration). Phys. Rev. D, 2004, 70: 092002[9] Bityukov S I, Krasnikov N V. Nucl. Instrum. Methods A, 2003, 502: 795-798[10] Ablikim M et al. (BES collaboration). Phys. Lett. B, 2007, 648: 149-155