Abstract
We present the results of a search for monoenergetic photons from the process Υ(1S)→γ+X. Upper limits at 90% confidence level for the branching ratio B(Υ(1S)→γ+X) range from 0.1% to 1.4% for photon energies between 150 and 2000 MeV.
- Received 14 August 1985
DOI:https://doi.org/10.1103/PhysRevD.33.300
©1986 American Physical Society
