Is the a Meson?
Phys. Rev. Lett. 22, 1207 – Published 2 June, 1969
DOI: https://doi.org/10.1103/PhysRevLett.22.1207
Abstract
The enhancement at 1780 MeV (the " meson") is copiously produced in our experiment at 12 GeV/c. We show that this "meson" can be explained as a threshold enhancement in the system. We see no evidence for this enhancement in channels other than .