Study of radiative decays of Psi(2s) mesons.

We studied the decay ψ(2S) → γ ηc(2S) with 25.9 × 10 <super>6</super> ψ(2S) events collected with the CLEO-c detector. No ψ(2S) → γ ηc(2S) decays were observed in any of the eleven exclusive ηc(2S) decay modes studied. The product branching fraction upper limits were determined for all modes. The 90% confidence level upper limit of B(ψ(2S) → γ ηc(2S)) < 7.4 × 10<super>-4</super>was obtained.

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CLEO

Etac(2S)

Psi(2S)

Radiative Decay

Physics

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University of Minnesota Ph.D. dissertation. December 2008. Major: Physics. Advisor: Ronald Poling. 1 computer file (PDF); xi, 184 pages, appendices A-B. Ill. (some col.)

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Gao, Kaiyan. (2008). Study of radiative decays of Psi(2s) mesons.. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/47963.

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University of Minnesota Twin Cities

University Digital Conservancy

Study of radiative decays of Psi(2s) mesons.

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