Decays of the ψ' (3684) to Other Charmonium States [Thesis]
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Stanford Univ., CA (United States)
We report on an experimental study of the decays of the ψ' (3684) to other charmonium states. The decays of 106 ψ' (3684)'s were observed with the SLAC-LBL Mark II detector at the e+e- storage ring SPEAR. Branching ratios have been measured for ψ' (3684) decays to yx where the x decays to yψ (3095) or to hadrons. an upper limit of 0.13% is set on the branching ratio for ψ' → yx(3455) → yyψ(3095); this is a factor of 6 less than the branching ratio measured by a previous less sensitive experiment. we investigate the decay ψ' → yηc, ηc → hadrons. The decay ψ' → π0ψ, which violates isospin conservation, is observed with a branching ratio of (0.15±0.06)%.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 1453965
- Report Number(s):
- SLAC-R--223; SLAC-223
- Country of Publication:
- United States
- Language:
- English
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