Recent Results on Decays from BESII
โ Scribed by Shuangshi Fang
- Book ID
- 108230776
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 599 KB
- Volume
- 164
- Category
- Article
- ISSN
- 0920-5632
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๐ SIMILAR VOLUMES
Recent preliminary results based on 58 million J/I) events collected at the upgraded BESII are presented. The Partial Wave Analysis of the Jill, -+ yKI? and J/q -+ yr'r -in the mass region below 2.0 GeV for study of the structure around 1.7 GeV is reported. The mass of qC is mea.sured in five J/I/>
Based on 7.8 million d/ยข events collected by BES at BEPC, the events for J/~b ---4 p~zr ยฐ and ppy have been selected and reconstructed. Clear peaks are observed around 1480 MeV in pTrยฐ(]STr ยฐ) invariant mass spectrum and near the threshold for y production in pq(/Sr/) invariant mass spectrum. A part