A Search for a Narrow Radial Excitation of the D*+/- Meson

Details A Search for a Narrow Radial Excitation of the D*+/- Meson A Search for a Narrow Radial Excitation of the D*+/- Meson

2001-01-25

arxiv.org/abs/hep-ex/0101045v2

Eur.Phys.J.C20:445-454,2001

Physics

High Energy Physics

High Energy Physics - Experiment

20 pages, 6 figures, Accepted by Eur. Phys. J. C

Scientific paper

10.1007/s100520100696

A sample of 3.73 million hadronic Z decays, recorded with the OPAL detector at LEP in the years 1991-95, has been used to search for a narrow resonance corresponding to the decay of the D*'+/-(2629) meson into D*+/- pi+ pi-. The D*+ mesons are reconstructed in the decay channel D*+ -> D0 pi+ with D0 -> K- pi+. No evidence for a narrow D*'+/-(2629) resonance is found. A limit on the production of D*'+/-(2629) in hadronic Z decays is derived: f(Z -> D*'+/-(2629)) x Br(D*'+ -> D*+ pi+ pi-) < 3.1 x 10^{-3} (95% C.L.)

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