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HK: Fachverband Physik der Hadronen und Kerne

HK 34: Postersitzung

HK 34.3: Poster

Donnerstag, 13. März 2008, 14:00–16:00, Poster C3

Investigation of Υ(5S) decays at Belle — •Jens Sören Lange and Thomas Sander for the Belle collaboration — II. Physikalisches Institut, Universität Giessen

In 2005 the Belle experiment recorded about 23.5 fb⁻¹ of data on the the Υ(5S) resonance. Final states of the decay of the Υ(5S) can contain B_s mesons, excited B^* mesons or pions in addition to the B mesons. Examples are B_s^0(*)B_s^0(*), B^0(*)B^0(*), B⁰B⁰π⁰, or B^+,−B⁰π^−,+. All these states differ by charge conjugation (C=+1 or C=−1) and by orbital angular momenta (L=0,1,2). A status on the implementation of all these decay channels into the Belle simulation framework and the search for charmonium-like states in B_s decays will be presented.