Abstract
Evidence is reported from the CLEO detector for the b (1P) states from radiative decays of the ' (2S). Photons are detected by pair conversion in the beam pipe or a lead radiator, and the pair momenta are measured in the drift chamber. Two photon lines are well resolved, with energies 109.50.71 and 129.00.81 MeV.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 799-803 |
| Number of pages | 5 |
| Journal | Physical review letters |
| Volume | 52 |
| Issue number | 10 |
| DOIs | |
| State | Published - 1984 |
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