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The baryon spectroscopy from Jψ decays

✍ Scribed by Bing-Song Zou


Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
388 KB
Volume
675
Category
Article
ISSN
0375-9474

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Based on 7.8 million d/¢ events collected by BES at BEPC, the events for J/~b ---4 p~zr ° and ppy have been selected and reconstructed. Clear peaks are observed around 1480 MeV in pTr°(]STr °) invariant mass spectrum and near the threshold for y production in pq(/Sr/) invariant mass spectrum. A part