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Showing 1 to 1 of 1 for “"radiative decay psi to gammat eta"”.
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Observation of eta-c and other structures in the radiative decay psi to gamma eta pi-plus pi-minus
The Mark III detector at SPEAR was used to observe the exclusive radiative decay [...] A spin-parity analysis was performed to determine the quantum numbers of the resonances responsible for this structure. However, the result was seen to be model dependent, so that it was not possible to …