Excited B and D Mesons at OPAL

Details Excited B and D Mesons at OPAL Excited B and D Mesons at OPAL

2001-10-23

arxiv.org/abs/hep-ex/0110049v1

Physics

High Energy Physics

High Energy Physics - Experiment

Talk given at EPSHEP 2001, Budapest. To appear in the proceedings

Scientific paper

Two recent OPAL publications dealing with spectroscopy of heavy-light mesons will be discussed. In the charm sector, a search for a narrow radial excitation of the D*+- is performed. No signal is seen, and an upper limit of the production rate of narrow radial excitations close to the predicted mass of 2.629 GeV is derived. Orbitally excited B** mesons are investigated in another analysis, where for the first time a measurement of their branching ratio into final states involving a B* is performed. Attempts are made to separate the B** signal into the four contributing resonances.

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