Observation of the DsJ(2317) and DsJ(2457) in B decays

Details Observation of the DsJ(2317) and DsJ(2457) in B decays Observation of the DsJ(2317) and DsJ(2457) in B decays

2003-08-08

arxiv.org/abs/hep-ex/0308019v3

Phys.Rev.Lett.91:262002,2003

Physics

High Energy Physics

High Energy Physics - Experiment

6 pages, 3 figures. A few minor corrections. Replaced by version accepted to publication in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.91.262002

We report the first observation of the B --> Dbar DsJ(2317) and B --> Dbar DsJ(2457) decays based on 123.8 10^6 BBar events collected with the Belle detector at KEKB. We observe the DsJ(2317) decay to Ds pi0 and DsJ(2457) decay to the Ds* pi0 and Ds gamma final states. We also set 90% CL upper limits for the decays DsJ(2317) --> Ds* gamma, DsJ(2457) --> Ds* gamma, DsJ(2457) --> Ds pi0 and DsJ(2457) --> Ds pi+ pi-.

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