Abstract
We report measurements of the exclusive cross section for e+e-→D0D-π+ over the center-of-mass energy range 4.0 GeV to 5.0 GeV with initial-state radiation and the first observation of the decay ψ(4415)→D0D-π+. From a study of the resonant substructure in ψ(4415) decay we conclude that the ψ(4415)→D0D-π+ decay is dominated by ψ(4415)→DD̄2*(2460). We obtain B(ψ(4415)→D0D-πnonresonant+)/B(ψ(4415)→DD̄ 2*(2460)→D0D-π+)<0.22 at 90% C.L. The analysis is based on a data sample collected with the Belle detector with an integrated luminosity of 673fb-1.
| Original language | English (US) |
|---|---|
| Article number | 062001 |
| Journal | Physical review letters |
| Volume | 100 |
| Issue number | 6 |
| DOIs | |
| State | Published - Feb 13 2008 |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy
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