Evidence for theMeson
- 24 December 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 53 (26) , 2465-2468
- https://doi.org/10.1103/physrevlett.53.2465
Abstract
Evidence for a narrow state decaying into an meson and a photon has been obtained in annihilation events at 29-GeV c.m. energy. This state lies 139.5 ± 8.3(stat.) ± 9.7(syst.) MeV above the -meson mass and is consistent with the expected meson. The mesons are identified by a peak in the mass at 1.948±0.028±0.010 GeV.
Keywords
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