We report the first observation of the B→D̄DsJ(2317) and B→D̄DsJ(2457) decays based on 123.8×106 BB̄ events collected with the Belle detector at KEKB. We observe the DsJ(2317) decay to Dsπ0 and the DsJ(2457) decay to the D*sπ0 and Dsγ final states. We also set 90% C.L. upper limits for the decays DsJ(2317)→D*sγ, DsJ(2457)→D*sγ, DsJ(2457)→Dsπ0, and DsJ(2457)→Dsπ+π-.
Physical Review Letters
- Pub Date:
- December 2003
- Charmed mesons;
- Decays of bottom mesons;
- High Energy Physics - Experiment
- 6 pages, 3 figures. A few minor corrections. Replaced by version accepted to publication in Phys. Rev. Lett