Measurement of γγ widths of charmonium states

Using the CLEO detector at the Cornell Electron Storage Ring, we have searched for two-photon production of charmonium in four-track final states. We have measured Γγγ(ηc)=5.9+2.1−1.8±1.9 keV, and we have obtained 95% CL upper limits of Γγγ(Xc0)Γγγ(Xc2)

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Bibliographic Details
Main Authors: CHEN, W., THULASIDAS, Manoj
Format: text
Language:English
Published: Institutional Knowledge at Singapore Management University 1990
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Online Access:https://ink.library.smu.edu.sg/sis_research/5742
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Institution: Singapore Management University
Language: English

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