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HK: Fachverband Hadronen und Kerne
HK 67: Poster Session
HK 67.14: Poster
Thursday, March 19, 2009, 14:00–16:00, Audi-Max
Search for new Charmonium(-like) States and Anti-Nuclei at Belle — Sabrina Darmawi, Martin Galuska, Wolfgang Kühn, Stephanie Künze, •Jens Sören Lange, Thomas Sander, and Matthias Ullrich — II. Physikalisches Institut, Justus-Liebig-Universität Giessen
At the Belle experiment at KEK, Tsukuba, Japan, e+e− collisions at center-of-mass energies from √s=9.46 to 10.86 GeV are investigated. Results from searches for new charmonium and charmonium-like states will be presented, in particular (a) search for the Y(4260) state in B meson decays, (b) search for the 3D2 (L=2) charmonium state, and (c) search for the ηb in Upsilon(3S,4S,5S) decays. Furthermore, preliminary results of the search for anti-deuterons and anti-tritons will be presented, which - as events with 6 or 9 anti-quarks, respectively - are rare events in e+e− collisions.