Observation of the DsJ(2317) and DsJ(2460) in B decays

Details Observation of the DsJ(2317) and DsJ(2460) in B decays Observation of the DsJ(2317) and DsJ(2460) in B decays

2003-07-16

arxiv.org/abs/hep-ex/0307041v1

Physics

High Energy Physics

High Energy Physics - Experiment

10 pages, 3 figures, submitted to submitted to europhysics conf., HEP2003

Scientific paper

We report on a study of the B --> D DsJ(2317) and B --> D DsJ(2460) decays based on 123.7 x 10^6 BBar events collected with the Belle detector at KEKB. The B --> D DsJ(2317) and B --> D DsJ(2460) decays have been observed for the first time. We observe the DsJ(2317) decay to Ds pi0 and DsJ(2460) decay to the Ds* pi0 and Ds gamma final states. We also set the 90% CL upper limits for the decays DsJ(2317) --> Ds* gamma, DsJ(2460) --> Ds* gamma, DsJ(2460) --> Ds pi0 and DsJ(2460) --> Ds pi+ pi-.

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